ultra-small ir sensor ic with i · ir sensor ir osc tsens ( ) ir afe ir adc ir digital filter (lpf)...

[AK9754]

018006915-J-00 2018/06- 1 -

1. AK9754 1

16

2.

: -30 ~ 85ºC I2C

16-bit

:: 0.9Hz, 0.445Hz

: 0.9Hz, 0.445Hz* (ODR)10Hz

I2C :

* AK9754

:8 I2C

:

INTN pin

: 1.71 ~ 3.63V

:10µA (Max.) 10Hz( OFF )5µA (Typ.) 10Hz( OFF )

* TOPT[1:0] = 11B

: 8-pin SON2.2mm x 2.2mm x t0.6mm

Ultra-small IR Sensor IC with I2C I/FAK9754

[AK9754]

018006915-J-00 2018/06- 2 -

3.

1. .................................................................................................................................................... 1 2. .................................................................................................................................................... 1 3. .................................................................................................................................................... 2 4. ........................................................................................................................... 4

4.1. ....................................................................................................................................... 4 4.2. .......................................................................................................................................... 4

5. .............................................................................................................................. 5 5.1. .......................................................................................................................................... 5 5.2. .......................................................................................................................................... 5

6. ......................................................................................................................................... 6 7. ......................................................................................................................................... 6 8. ................................................................................................................................................ 6 9. ............................................................................................................................................. 7

9.1. ................................................................................................................................... 7 9.2. ............................................................................................................................ 7

9.2.1. DC .................................................................................................................................... 7 9.2.2. AC (1): (100kHz ) ....................................................................... 8 9.2.3. AC (2): (400kHz ) ....................................................................... 8 9.2.4. AC (3): INTN ..................................................................................................................... 9

10. ............................................................................................................................................ 10 10.1. ....................................................................................................................................... 10 10.2. ............................................................................................................................... 10 10.3. ....................................................................................................................................11 10.4. .................................................................................................................... 12

10.4.1. ......................................................................................... 12 10.4.2. ............................................................................................. 12

10.5. ....................................................................................................................................... 13 10.6. ................................................................................................................. 13 10.7. ................................................................................................................. 14 10.8. ................................................................................................................ 18 10.9. ................................................................................................................ 20

11. ............................................................................................................... 21 11.1. ................................................................................................................................... 21

11.1.1. .......................................................................................................................... 21 11.1.2. / ...................................................................................... 21 11.1.3. .......................................................................................................................... 22 11.1.4. .................................................................................................................. 23 11.1.5. WRITE ............................................................................................................................ 23 11.1.6. READ ............................................................................................................................. 24

12. ..................................................................................................................................... 26 13. .............................................................................................................................. 27 14. ( ).......................................................................................................................... 37 15. ( ) ............................................................................................................................. 38 16. IR ( ) .................................................................................................................. 39 17. ................................................................................................................................. 40 18. ......................................................................................................................................... 41

18.1. .................................................................................................................................. 41 18.2. ........................................................................................................................... 42 18.3. .................................................................................................................................. 43

[AK9754]

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19. .......................................................................................................................... 43 20. ............................................................................................................................................ 43

........................................................................................................................................ 44

[AK9754]

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4.4.1.

Figure 4.1. AK9754

4.2.Table 4.1.

Block FunctionIR Sensor IR

OSCTSENS ( )

IR AFE IR

ADC IR

Digital Filter(LPF) IR ADC

2 (Fc) LPF( )

DetectionAlgorithm

I2C I/FMCU SCL pin SDA pin

I2C (100kHz) (400kHz)

POR

Digital

IRSensor

IRAFE

TSENS

DigitalFilter

I2C I/FOSC

POR INTN

SDASCL

VDD SYNC VSS

ADC

CAD0 CAD1

DetectionAlgorithm

[AK9754]

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5.5.1.

4

1

2

3

8

7

6

5

VSS

VDD

CAD0

CAD1

SCL

SDA

INTN

SYNC

SCL

SDA

INTN

SYNC

VSS

VDD

CAD0

CAD14

1

2

3

8

7

6

5

Top View Bottom View

Note: VSS pin

Figure 5.1.

5.2.Table 5.1

Pin No. Pin Name I/O Function

1 VSS - GND2 VDD -

3 CAD0 I,VDD VSS

4 CAD1 I,VDD VSS

5 SYNC I/O AK9754

6 INTN O

INTN pin L(1) (2) ADC

INTN pin (N )AK9754

7 SDA I/O

I2C

(N )AK9754

8 SCL I

I2C AK9754 SCL pin

AK9754

[AK9754]

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6.(VSS=0V)Parameter Symbol Min. Max. Unit

VDD pin VDD -0.3 4.3 V All pins Iin -10 10 mA

All pins Iout -10 10 mASDA pin, SCL pin, INTN pin,CAD0 pin, CAD1 pin, SYNC pin Vin -0.3 4.3 V

Tst -40 85 ºCNote:

7.(VSS=0V)Parameter Symbol Min. Typ. Max. Unit

VDD 1.71 3.3 3.63 VTa -30 25 85 ºC

8.( VDD=1.71 ~ 3.63V, Ta= -30 ~ 85ºC)Parameter Symbol Min. Typ. Max. Unit

(*1, *2)VDD 0.2V VDD pin PSUP 50 ms

POR (*1, *2)

PSUPVDD pin PORT 100 µs

(*2, *3)POR

VDD pin SDV 0.2 V

(*1, *2, *3)

PORSDV VDD pin PSINT 100 µs

Note:* 1. * 2. VDD

* 3.

0VPSINT: 100µsPSUP: 50ms

PORT: 100µsStand-by Mode

VDD

SDV: 0.2V

Figure 8.1.

[AK9754]

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9.9.1.( VDD=1.71 ~ 3.63V, Ta= -30 ~ 85ºC TYP Ta =25 ºC,VDD=3.3V) Parameter Symbol Min. Typ. Max. UnitIR 16 bit

16 bit

*VDD = 3.3V

Ta = - 30 ºC -27726CodeTa = 25 ºC -1515 0 1515

Ta = 85 ºC 30247

0.00198 ºC/Code

ONTa 35ºCTOPT[1:0] = 11B

IDD0 1.1 3.0 µA

(ODR = 10Hz) IDD1 35.0 100.0 µA

OFFTa 35ºCTOPT[1:0] = 11B

IDD2 1.1 3.0 µA

(ODR = 10Hz) IDD3 5.0 10.0 µA

9.2.9.2.1. DC( VDD=1.71 ~ 3.63V, Ta= -30 ~ 85ºC)Parameter Symbol Min. Typ. Max. Unit

SCL pin,SDA pin VIH 70%VDD V

SCL pin,SDA pin VIL 30%VDD V

Vin=VSS / VDD All pins IIN -10 10 µA1 (*4 )

(VDD 2V)SCL pin,SDA pin VHS1 5%VDD V

2 (*4 )(VDD

[AK9754]

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9.2.2. AC (1): (100kHz )( VDD=1.71 ~ 3.63V, Ta= -30 ~ 85ºC)Parameter Symbol Min. Typ. Max. UnitSCL fSCL 100 kHz

SDA tBUF 4.7 µs

tHD:STA 4.0 µs

L tLOW 4.7 µsH tHIGH 4.0 µs

tSU:STA 4.7 µs

tHD:DAT 0 µstSU:DAT 250 ns

(*5) SDA pin, SCL pin tR 1.0 µs

(*5) SDA pin,SCL pin tF 0.3 µs

tSU:STO 4.0 µs

Note:* 5.

9.2.3. AC (2): (400kHz )( VDD=1.71 ~ 3.63V, Ta= -30 ~ 85ºC)Parameter Symbol Min. Typ. Max. UnitSCL fSCL 400 kHz

tSP 50 ns

SDA tBUF 1.3 µs

tHD:STA 0.6 µs

L tLOW 1.3 µsH tHIGH 0.6 µs

tSU:STA 0.6 µs

tHD:DAT 0 µstSU:DAT 100 ns

(*6) SDA pin, SCL pin tR 0.3 µs

(*6) SDA pin,SCL pin tF 0.3 µs

tSU:STO 0.6 µs

Note:* 6.

[AK9754]

018006915-J-00 2018/06- 9 -

SCL

SDA IN

SDA OUT

tSU:STA tHD:STA

tF tHIGH tLOW

tHD:DATtSU:DAT

tHD:DAT

tSU:STO

tBUF

tR

tSP

Figure 9.1.

9.2.4. AC (3): INTN( VDD=1.71 ~ 3.63V, Ta= -30 ~ 85ºC)Parameter Symbol Min. Typ. Max. Unit

(* 7., * 8. ) INTN pin tR 2 µs(* 7., * 8. ) INTN pin tF 0.25 µs

Note:* 7.* 8. Figure 9.2

Figure 9.2. INTN

INTN RL

CL

RL= 24k (Max.)CL= 50pF (Max.)

VDD

[AK9754]

018006915-J-00 2018/06- 10 -

10.10.1.VDD=OFF(0V) VDD pin ON POR (POR)

Table 10.1. VDD pin I2C INTN pin IDD

1 OFF(0V) Disable Unfixed Power Down Not specified

2 1.71V ~ 3.63V Enable H (*9) PORPower DownMax. 3.0µA

*Ta 35ºC

Note:*9. H

10.2.AK9754

(1) (POR)VDD VDD

(POR) AK9754 POR POR

(2)AK9754

POR

[AK9754]

018006915-J-00 2018/06- 11 -

10.3.AK9754 MCU

Figure 10.1.

AK9754 MCU SCL SDA I2C I2C

CAD0, CAD1

Table 10.2. CAD0, CAD1 CAD1 CAD0VSS VSS 60HVSS non-connected 61HVSS VDD 62H

non-connected VSS 64Hnon-connected non-connected 65Hnon-connected VDD 66H

VDD VSS 68HVDD non-connected 69HVDD VDD Do Not Use

INTN pin(Figure 17.1)

2

(1) (2)

AK9754 HOSTMCU

INTN

SCLSDA

I2C

[AK9754]

018006915-J-00 2018/06- 12 -

10.4.

10.4.1. (MODE = 0 )(POR ) AK9754

POR

INTN pin ( H )

10.4.2. (MODE= 1 )(MODE= 1 )

(MODE= 0 )

Figure 10.2.

MODE0 1

ON

0

1.7ms (typ.)

100ms

[AK9754]

018006915-J-00 2018/06- 13 -

10.5.AK9754 AK9754 SYNC pin AK9754

Figure 10.3. SYNC

AK9754 MCU AK9754Figure 10.3 AK9754(#1) AK9754(#2), AK9754(#3)

AK9754 / (SYNCM[1:0],21H)

10.6.AK9754 IR 10 (Streaming Buffer)

Streaming Buffer IR

Streaming Buffer SBEN( 2AH) 1

10Streaming Buffer 10

Streaming Buffer SBEN 0 AK9754( / SBHBD )

10

AK9754 Streaming BufferAK9754Streaming Buffer 10.7.

AK9754#1

HOSTMCU

INTN

SCLSDA

I2C

AK9754#2

AK9754#3

SYNC

[AK9754]

018006915-J-00 2018/06- 14 -

10.7.

AK9754 Streaming Buffer2

AK9754IR

Streaming Buffer10 Streaming Buffer

IR 10 IRSBEN(2AH) Streaming Buffer

10 Streaming Buffer

1.

ST1 DRDYAK9754

ST1 HBDR1HBDIEN,DRIEN(2AH,D[1]D[0])

INTN pin

Table 10.3.

ST1 04H DRDY, HBDR1IRL 05H IR[7:0] IRH 06H IR[15:8]

TMPL 07H TMP[7:0]TMPH 08H TMP[15:8]ST2 09H DOR, HBDR2

(1) ST1DRDY:

HBDR1:

INTN pin

(2)IR

( )IR INTN pin

[AK9754]

018006915-J-00 2018/06- 15 -

(3) ST2DOR:

HBDR2:

ST2ST2

DRDY, HBDR1

Figure 10.2.(HBDIEN= 1 ,DRIEN= 0 )

Figure 10.3.(HBDIEN= 0 ,DRIEN= 1 )

[AK9754]

018006915-J-00 2018/06- 16 -

2. Streaming Buffer Streaming Buffer SBEN (Address 2AH D[2])

SBHBD Address 2AH D[3]) Streaming Buffer

10 Streaming Buffer SBEN

Streaming Buffer ST3 SBNMBST3 HBDR3

Table 10.4. Streaming Buffer

ST3 0AH HBDR3, SBNMB[3:0]SB0L 0BH SB0[7:0] ( )SB0H 0CH SB0[15:8] ( )

SB9L 1DH SB9[7:0] (9 )SB9H 1EH SB9[15:8] (9 )ST4 1FH HBDR4

(1) ST3SBNMB[3:0]: Streaming Buffer ( 10)

HBDR3:

(2) Streaming BufferStreaming Buffer

Streaming Buffer

(3) ST4HBDR4:

Streaming Buffer ST4

SBNMB[3:0] HBDR3 Streaming Buffer SBEN

INTN IR (Address 05H)ST2 (Address 09H)

[AK9754]

018006915-J-00 2018/06- 17 -

Streaming Buffer

Figure 10.4. SB(HBDIEN= 1 ,SBHBD= "1" )

Figure 10.5. SB(HBDIEN= 1 ,SBHBD= "0" )

#16,#12~4

#17~16,#12~5

#18~16,#12~6

#25~16

#24~16,#12

#19~16,#12~7

#20~16,#12~8

#21~16,#12~9

#22~16,#12~10

#23~16,#12~11

[AK9754]

018006915-J-00 2018/06- 18 -

10.8.AK9754

Table 10.5. Address Name DATA

21H CNTL2 FCH SYNCM[1:0]: : (default)

22H CNTL3 A9H LNM: Low Noise Mode(default)

ODR[1:0]:ODR 10Hz(default)

FCTMP[1:0]: (Fc)

Fc =0.445Hz(default)

FCIR[1:0]: IR (Fc)Fc =0.9Hz(default)

23H CNTL4 F8H TOPT[2]:

TOPT[1:0]: 00 :

24H CNTL5 80H TMPOFS[6:0]: 0000000 : 0

25H CNTL6 FAH IRGAIN[4:0]11010 : 100%

26H CNTL7 F0H IRINV: IR(default)

IDLET[2:0]: 0sec (default)

27H CNTL8 81H DTCT[6:0]: : 1 (default)

28H CNTL9 2CH ( )Default : HBDTH[7:0] = 00101100

29H CNTL10 81H ( ) Default : HBDTH[14:8] = 0000001

2AH CNTL11 F2H HBDEN : Human Approach Detection EnableON

SBHBD : SBSB (default)

SBEN : Enabling of streaming bufferSB OFF(default)

HBDIEN : Interrupt Enable on Human Sensing

DRIEN : Interrupt Enable on Data Ready(default)

[AK9754]

018006915-J-00 2018/06- 19 -

Power On

Wait Time 100 µs

Register Write

(1) Soft Reset Address:20H Data:FFH

(2) SYNCM[1:0] Address:21H Data:FCH

(3) Low Noise Mode, ODR, FC setting Address:22H Data:A9H

(4) TOPT setting Address:23H Data:F8H

(5) TMP offset setting Address:24H Data:80H

(6) IR Gain setting Address:25H Data:FAH

(7) IRINV,IDLET setting Address:26H Data:F0H

(8) DTCT setting Address:27H Data:81H

(9) HBDTH setting Address:28H Data:2CHAddress:29H Data:81H

(10)HBDIEN,DRIEN setting Address:2AH Data:F2H

(11)Mode setting Address:2BH Data:FFH

Register Read

(11) Status 1 Address : 04H

(12) A/D Converted data of IR Address : 05H, 06H

(13) A/D Converted data ofIntegrated Temperature Sensor

Address : 07H, 08H

(14) Status2 Address : 09H

Wait INTN = L

[AK9754]

018006915-J-00 2018/06- 20 -

10.9. AK9754HBDEN 1 MODE=1 IR

IR

ST* HBDR* 1 HBDIEN 1 INTN

Figure 10.6

*1) IDLET

*2) HBDTH

*3) DTCT

*4) INTNHBDIEN

[AK9754]

018006915-J-00 2018/06- 21 -

11.AK9754 I2C ( 100kHz) ( 400kHz)

11.1.AK9754 POR

1 AK9754AK9754

11.1.1.SDA SCL L SCL

H SDA (SDASCL L )

SCL H SDA

SCL

SDA

Figure 11.1.

11.1.2. /SCL H SDA H L

SCL H SDA L H

SCL

SDA

Start Condition Stop ConditionFigure 11.2. /

[AK9754]

018006915-J-00 2018/06- 22 -

11.1.3.IC 1 SDA ( H )IC SDA L

AK9754WRITEREAD

SDA SDA ICAK9754

8

SCL1 8 9

Figure 11.3.

[AK9754]

018006915-J-00 2018/06- 23 -

11.1.4.AK9754 CAD0 pin, CAD1 pin VDD VSS

Table 11.1. CAD0, CAD1 CAD1 CAD0VSS VSS 60HVSS non-connected 61HVSS VDD 62H

non-connected VSS 64Hnon-connected non-connected 65Hnon-connected VDD 66H

VDD VSS 68HVDD non-connected 69HVDD VDD Do Not Use

1IC

IC1 8 (Least Significant Bit LSB)

R/WR/W 1 READ R/W 0 WRITE

MSB LSB

1 1 0 0/1 0/1 0/1 0/1 R/W

Figure 11.4.

11.1.5. WRITER/W 0 AK9754

AK9754 1 ( )2 2 MSB

MSB LSB

A7 A6 A5 A4 A3 A2 A1 A0

Figure 11.5.

2 ( ) AK9754 3

3 8 MSBAK9754

MSB LSB

D7 D6 D5 D4 D3 D2 D1 D0

Figure 11.6.

[AK9754]

018006915-J-00 2018/06- 24 -

AK97543 ( ) AK9754

1 LSI

CNTL1~CNTL12 (20H~2BH)2BH 20H

SDA S SlaveAddress

R/W= 0

RegisterAddress(n) DATA(n) DATA(n+1) DATA(n+x) P

Figure 11.7.

11.1.6. READR/W 1 AK9754 READAK9754 IC

ST1 IR ST2 (04H~09H) ST3 SB ST4 (0AH~1FH) CNTL1~CNTL12

(20H~2BH) 09H 04H 1FH 0AH 2BH 20H

AK9754

(1)AK9754 LSI

READ nn+1

AK9754 READ (R/W = 1 )AK9754

1AK9754 1

SDA S SlaveAddress

R/W= 1

DATA(n) DATA(n+2) DATA(n+x) PDATA(n+1)

Figure 11.8.

[AK9754]

018006915-J-00 2018/06- 25 -

(2)

READ (R/W = 1 )WRITE

WRITEAK9754

READ R/W = "1" AK9754AK9754

1IC

SDA S SlaveAddress

R/W= 0

DATA(n) DATA(n+x) PDATA(n+1)RegisterAddress(n)SlaveAddressS

R/W= 1

Figure 11.9.

[AK9754]

018006915-J-00 2018/06- 26 -

12.Table 12.1.

Name R/W/ AddressIncrement

WIA1 00H Disable R Company codeWIA2 01H Disable R Device IDINFO1 02H Disable R InformationINFO2 03H Disable R Information

ST1 04H Enable R HBDR1 : Detection result,DRDY : Data ready flagIRL 05H Enable R IR measurement data low bitIRH 06H Enable R IR measurement data high bit

TMPL 07H Enable R Integrated temperature sensor measurement data low bitTMPH 08H Enable R Integrated temperature sensor measurement data high bitST2 09H Enable R HBDR2 : Detection result,DOR : Data overrun flag

ST3 0AH Enable R HBDR3 : Detection result,SBNMB[3:0] : SBSB0L 0BH Enable R

SBNL : (N+1)-th latest IR measurement data low bit

SBNH : (N+1)-th latest IR measurement data high bit

SB0H 0CH Enable RSB1L 0DH Enable RSB1H 0EH Enable RSB2L 0FH Enable RSB2H 10H Enable RSB3L 11H Enable RSB3H 12H Enable RSB4L 13H Enable RSB4H 14H Enable RSB5L 15H Enable RSB5H 16H Enable RSB6L 17H Enable RSB6H 18H Enable RSB7L 19H Enable RSB7H 1AH Enable RSB8L 1BH Enable RSB8H 1CH Enable RSB9L 1DH Enable RSB9H 1EH Enable RST4 1FH Enable R HBDR4 : Detection result,

CNTL1 20H Enable RW SRST : Soft resetCNTL2 21H Enable RW SYNCM[1:0] : Synchronized operation mode setting

CNTL3 22H Enable RW LNM : Low noise mode setting, ODR[1:0] : Output data rate setting, FCTMP[1:0] : TMP data lowpass filter setting, FCIR[1:0] : IR data

lowpass filter setting

CNTL4 23H Enable RW TOPT : Mode setting of optimized operation by integrated temperature sensorCNTL5 24H Enable RW TMPOFS : Offset value of intergrated temperature sensorCNTL6 25H Enable RW IRGAIN[4:0] : IR signal gain setting.CNTL7 26H Enable RW IRINV : Inversion setting of IR, IDLET[2:0] : Idling time settingCNTL8 27H Enable RW DTCT[6:0] : Detection time settingCNTL9 28H Enable RW HBDTH[7:0] : Human detection threshold setting low bitCNTL10 29H Enable RW HBDTH[15:8] : Human detection threshold setting high bit

CNTL11 2AH Enable RW HBDEN : Enabling of human body detection,

SBHBD : Enabling of streaming buffer, HBDIEN : Enablinf of interrupt caused by human body detection result,

DRIEN : Enabling of interrupt caused by data readyCNTL12 2BH Enable RW MODE : Measurement start setting

[AK9754]

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13.Table 13.1.

Address Name D7 D6 D5 D4 D3 D2 D1 D000H WIA1 0 1 0 0 1 0 0 001H WIA2 0 0 0 1 0 1 0 102H INFO1 0 0 0 0 0 0 0 003H INFO2 0 0 0 0 0 0 0 004H ST1 1 1 1 HBDR1 1 1 1 DRDY05H IRL IR[7] IR[6] IR[5] IR[4] IR[3] IR[2] IR[1] IR[0]06H IRH IR[15] IR[14] IR[13] IR[12] IR[11] IR[10] IR[9] IR[8]07H TMPL TMP[7] TMP[6] TMP[5] TMP[4] TMP[3] TMP[2] TMP[1] TMP[0]08H TMPH TMP[15] TMP[14] TMP[13] TMP[12] TMP[11] TMP[10] TMP[9] TMP[8]09H ST2 1 1 1 HBDR2 1 1 1 DOR0AH ST3 1 1 1 HBDR3 SBNMB[3] SBNMB [2] SBNMB[1] SBNMB [0]0BH SB0L SB0[7] SB0[6] SB0[5] SB0[4] SB0[3] SB0[2] SB0[1] SB0[0]0CH SB0H SB0[15] SB0[14] SB0[13] SB0[12] SB0[11] SB0[10] SB0[9] SB0[8]0DH SB1L SB1[7] SB1[6] SB1[5] SB1[4] SB1[3] SB1[2] SB1[1] SB1[0]0EH SB1H SB1[15] SB1[14] SB1[13] SB1[12] SB1[11] SB1[10] SB1[9] SB1[8]0FH SB2L SB2[7] SB2[6] SB2[5] SB2[4] SB2[3] SB2[2] SB2[1] SB2[0]10H SB2H SB2[15] SB2[14] SB2[13] SB2[12] SB2[11] SB2[10] SB2[9] SB2[8]11H SB3L SB3[7] SB3[6] SB3[5] SB3[4] SB3[3] SB3[2] SB3[1] SB3[0]12H SB3H SB3[15] SB3[14] SB3[13] SB3[12] SB3[11] SB3[10] SB3[9] SB3[8]13H SB4L SB4[7] SB4[6] SB4[5] SB4[4] SB4[3] SB4[2] SB4[1] SB4[0]14H SB4H SB4[15] SB4[14] SB4[13] SB4[12] SB4[11] SB4[10] SB4[9] SB4[8]15H SB5L SB5[7] SB5[6] SB5[5] SB5[4] SB5[3] SB5[2] SB5[1] SB5[0]16H SB5H SB5[15] SB5[14] SB5[13] SB5[12] SB5[11] SB5[10] SB5[9] SB5[8]17H SB6L SB6[7] SB6[6] SB6[5] SB6[4] SB6[3] SB6[2] SB6[1] SB6[0]18H SB6H SB6[15] SB6[14] SB6[13] SB6[12] SB6[11] SB6[10] SB6[9] SB6[8]19H SB7L SB7[7] SB7[6] SB7[5] SB7[4] SB7[3] SB7[2] SB7[1] SB7[0]1AH SB7H SB7[15] SB7[14] SB7[13] SB7[12] SB7[11] SB7[10] SB7[9] SB7[8]1BH SB8L SB8[7] SB8[6] SB8[5] SB8[4] SB8[3] SB8[2] SB8[1] SB8[0]1CH SB8H SB8[15] SB8[14] SB8[13] SB8[12] SB8[11] SB8[10] SB8[9] SB8[8]1DH SB9L SB9[7] SB9[6] SB9[5] SB9[4] SB9[3] SB9[2] SB9[1] SB9[0]1EH SB9H SB9[15] SB9[14] SB9[13] SB9[12] SB9[11] SB9[10] SB9[9] SB9[8]1FH ST4 1 1 1 HBDR4 1 1 1 120H CNTL1 1 1 1 1 1 1 1 SRST21H CNTL2 1 1 1 1 1 1 SYNCM[1] SYNCM[0]22H CNTL3 1 LNM ODR[1] ODR[0] FCTMP[1] FCTMP[0] FCIR[1] FCIR[0]23H CNTL4 1 1 1 1 1 TOPT[2] TOPT[1] TOPT[0]24H CNTL5 1 TMPOFS[6] TMPOFS[5] TMPOFS[4] TMPOFS[3] TMPOFS[2] TMPOFS[1] TMPOFS[0]25H CNTL6 1 1 1 IRGAIN[4] IRGAIN[3] IRGAIN[2] IRGAIN[1] IRGAIN[0]26H CNTL7 1 1 1 1 IRINV IDLET[2] IDLET[1] IDLET[0]27H CNTL8 1 DTCT[6] DTCT[5] DTCT[4] DTCT[3] DTCT[2] DTCT[1] DTCT[0]28H CNTL9 HBDTH[7] HBDTH[6] HBDTH[5] HBDTH[4] HBDTH[3] HBDTH[2] HBDTH[1] HBDTH[0]29H CNTL10 1 HBDTH[14] HBDTH[13] HBDTH[12] HBDTH[11] HBDTH[10] HBDTH[9] HBDTH[8]2AH CNTL11 1 1 1 HBDEN SBHBD SBEN HBDIEN DRIEN2BH CNTL12 1 1 1 1 1 1 1 MODE

Note: 20H~2BH 1 bit 1

[AK9754]

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[ ]1). WIA1: ( )Address Name D7 D6 D5 D4 D3 D2 D1 D0

00H WIA1 0 1 0 0 1 0 0 0

WIA1[7:0] (AKM) 1 (48H)

2). WIA2: ID ( )Address Name D7 D6 D5 D4 D3 D2 D1 D0

01H WIA2 0 0 0 1 0 1 0 1

WIA2[7:0] (AKM) ID 1 (15H)

3). INFO1: 1 ( )Address Name D7 D6 D5 D4 D3 D2 D1 D0

02H INFO1 0 0 0 0 0 0 0 0

NIFO1[7:0] (AKM)

4). INFO2: 2 ( )Address Name D7 D6 D5 D4 D3 D2 D1 D0

03H INFO2 0 0 0 0 0 0 0 0

NIFO2[7:0] (AKM)

5). ST1: 1 ( )Address Name D7 D6 D5 D4 D3 D2 D1 D0

04H ST1 1 1 1 HBDR1 1 1 1 DRDYReset 1 1 1 0 1 1 1 0

HBDR1: 1(default)

HBDR1 1 0

DRDY: 0 : (default)1 :

DRDY 1 ST2

[AK9754]

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6). IR: IR ( )Address Name D7 D6 D5 D4 D3 D2 D1 D0

05H IRL IR[7] IR[6] IR[5] IR[4] IR[3] IR[2] IR[1] IR[0]06H IRH IR[15] IR[14] IR[13] IR[12] IR[11] IR[10] IR[9] IR[8]

Reset 0 0 0 0 0 0 0 0

IRIR[7:0]: 8IR[15:8]: 8

16-bit

Table 13.2. IR (2 )IR [15:0] IR UnitBin Hex Dec

0111 1111 1111 1111 7FFF 32767 15000

pA

0010 0111 0001 0000 2710 10000 4578

0000 0011 1110 1000 03E8 1000 457.8

0000 0000 0110 0100 0064 100 45.78

0000 0000 0000 0001 0001 1 0.45780000 0000 0000 0000 0000 0 01111 1111 1111 1111 FFFF -1 -0.4578

1111 1111 1001 1100 FF9C -100 -45.78

1111 1100 0001 1000 FC18 -1000 -457.8

1101 1000 1111 0000 D8F0 -10000 -4578

1000 0000 0000 0001 8001 -32767 -15000

IR (pA) = 0.4578 IR (Decimal)

[AK9754]

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7). TMP: ( )Address Name D7 D6 D5 D4 D3 D2 D1 D0

07H TMPL TMP[7] TMP[6] TMP[5] TMP[4] TMP[3] TMP[2] TMP[1] TMP[0]08H TMPH TMP[15] TMP[14] TMP[13] TMP[12] TMP[11] TMP[10] TMP[9] TMP[8]

Reset 0 0 0 0 0 0 0 0

TMP[7:0]: 8TMP[15:8]: 8

16-bit

Table 13.3. (2 )[15:0] Unit

Bin Hex Dec0111 1111 1111 1111 7FFF 32767 90

ºC

0011 0001 0011 1011 313B 12603 50

0000 0000 0000 0001 0001 1 25.001980000 0000 0000 0000 0000 0 251111 1111 1111 1111 FFFF -1 24.99802

1001 0011 1011 0010 93B2 -27726 -30

1000 0000 0000 0001 8001 -32767 -40

(ºC) = 0.0019837 (Decimal) + 25


09H ST2 1 1 1 HBDR2 1 1 1 DORReset 1 1 1 0 1 1 1 0

Note:ST2

ST2

HBDR2: 2(default)

HBDR2

DOR: (default)

DOR ST2

[AK9754]

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0AH ST3 1 1 1 HBDR3 SBNMB[3] SBNMB[2] SBNMB[1] SBNMB[0]Reset 1 1 1 0 0 0 0 0

HBDR3: 3(default)

HBDR3 1 0

SBNMB[3:0]:SB( )(default)

N SB[N-1]L,SB[N-1]HSBNMB SB

0 1 , 10SBNMB N(!=0) SB[0]~SB[N-1]

10). SBL, SBH: ( )Address Name D7 D6 D5 D4 D3 D2 D1 D0

0BH SB0L SB0[7] SB0[6] SB0[5] SB0[4] SB0[3] SB0[2] SB0[1] SB0[0]0CH SB0H SB0[15] SB0[14] SB0[13] SB0[12] SB0[11] SB0[10] SB0[9] SB0[8]

15H SB5L SB5[7] SB5[6] SB5[5] SB5[4] SB5[3] SB5[2] SB5[1] SB5[0]16H SB5H SB5[15] SB5[14] SB5[13] SB5[12] SB5[11] SB5[10] SB5[9] SB5[8]

1DH SB9L SB9[7] SB9[6] SB9[5] SB9[4] SB9[3] SB9[2] SB9[1] SB9[0]1EH SB9H SB9[15] SB9[14] SB9[13] SB9[12] SB9[11] SB9[10] SB9[9] SB9[8]

Reset 0 0 0 0 0 0 0 0

ALL"0"

[AK9754]

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11). ST4: 4( )Address Name D7 D6 D5 D4 D3 D2 D1 D0

1FH ST4 1 1 1 HBDR4 1 1 1 1Reset 1 1 1 0 1 1 1 1

HBDR4: 4(default)

HBDR4 SB0

12). CNTL1: ( / )Address Name D7 D6 D5 D4 D3 D2 D1 D0

20H CNTL1 1 1 1 1 1 1 1 SRSTReset 1 1 1 1 1 1 1 0

SRST: (default)

INTN SDASRST

CNTL1


21H CNTL2 1 1 1 1 1 1 SYNCM [1] SYNCM [0]Reset 1 1 1 1 1 1 0 0

SYNCM[1:0]: (default)

[AK9754]

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14). CNTL3: ,ODR, ( / )Address Name D7 D6 D5 D4 D3 D2 D1 D0

22H CNTL3 1 LNM ODR[1] ODR[0] FCTMP[1] FCTMP[0] FCIR[1] FCIR[0]Reset 1 0 1 0 1 0 0 1

LNM: LowNoiseMode: (default):

ODR[1:0]:00 : ODR 1Hz01 : ODR 2Hz10 : ODR 10Hz(default)11 : ODR 50Hz

FCTMP[1:0]: (Fc)00 : Fc 01 : Fc =0.9Hz10 : Fc =0.445Hz(default)11 :

10Hz(ODR )10Hz

FCIR[1:0]: IR (Fc)00 : Fc 01 : Fc =0.9Hz(default)10 : Fc =0.445Hz11 :

10Hz(ODR )10Hz


23H CNTL4 1 1 1 1 1 TOPT[2] TOPT[1] TOPT[0]Reset 1 1 1 1 1 1 1 1

TOPT[2]:0 : 1 : (default)

TOPT[1:0]: :: Reserved: Reserved: (default)

[AK9754]

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24H CNTL5 1 TMPOFS[6]TMPOFS

[5]TMPOFS

[4]TMPOFS

[3]TMPOFS

[2]TMPOFS

[1]TMPOFS

[0]Reset 1 0 0 0 0 0 0 0

TMPOFS[6:0]:

Table 13.4. (2 )TMPOFS[6:0] UnitBin Hex Dec

011_1111 3F 63 31.5

ºC000_0001 1 1 0.5000_0000 0 0 0111_1111 7F -1 -0.5

100_0000 40 -64 -32

(ºC) = 0.5 TMPOFS (Decimal)

17). CNTL6: IR ( / )Address Name D7 D6 D5 D4 D3 D2 D1 D0

25H CNTL6 1 1 1 IRGAIN[4] IRGAIN[3] IRGAIN[2] IRGAIN[1] IRGAIN[0]Reset 1 1 1 1 1 0 1 0

Table 13.5. IR (2 )IRGAIN[4:0] UnitBin Hex Dec

0_1111 0F 15 205

%

0_1110 0E 14 200

0_0001 1 1 1350_0000 0 0 1301_1111 1F -1 125

1_1010 1A -6 100

1_0000 10 -16 50

IR (%) = 5 IRGAIN (Decimal)+130

[AK9754]

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18). CNTL7: IR , ( / )Address Name D7 D6 D5 D4 D3 D2 D1 D0

26H CNTL7 1 1 1 1 IRINV IDLET[2] IDLET[1] IDLET[0]Reset 1 1 1 1 0 0 0 0

IRINV: IR0 : (default)1 :

IDLET[2:0]:000 : 0sec (default)001 :5sec010 :10sec011 :30sec1XX :300sec


27H CNTL8 1 DTCT[6] DTCT[5] DTCT[4] DTCT[3] DTCT[2] DTCT[1] DTCT[0]Reset 1 0 0 0 0 0 0 1

DTCT AK9754

DTCT[6:0]:0000000 1 0000001 1 (default)0000010 2

1111111 127

20). CNTL9: ( ) ( / )Address Name D7 D6 D5 D4 D3 D2 D1 D0

28H CNTL9 HBDTH[7] HBDTH[6] HBDTH[5] HBDTH[4] HBDTH[3] HBDTH[2] HBDTH[1] HBDTH[0]Reset 0 0 1 0 1 1 0 0

( )default:HBDTH[14:0] = 012Ch

21). CNTL10: ( ) ( / )Address Name D7 D6 D5 D4 D3 D2 D1 D0

29H CNTL10 1 HBDTH[14]HBDTH

[13]HBDTH

[12]HBDTH

[11]HBDTH

[10]HBDTH

[9]HBDTH

[8]

Reset 1 0 0 0 0 0 0 1

( )default:HBDTH[14:0] = 012Ch

[AK9754]

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2AH CNTL11 1 1 1 HBDEN SBHBD SBEN HBDIEN DRIENReset 1 1 1 0 0 0 0 0

HBDEN : Enabling of human body detection0 : OFF(default)1 : ON

SBHBD : SB0 : SB (default)1 : SB

SBEN : Enabling of streaming buffer0 : SB OFF(default)1 : SB ON

SB / SB "0"

HBDIEN : Enabling of interrupt caused by human body detection result0 : (default)1 :

DRIEN : Enabling of interrupt caused by data ready0 : (default)1 :

CNTL11


2BH CNTL12 1 1 1 1 1 1 1 MODEReset 1 1 1 1 1 1 1 0

MODE:0 : (default)1 :

CNTL12

[AK9754]

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14. ( )

Figure 14.1.

[AK9754]

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15. ( )(FOV) 180 º

FOV 115 º (Typ.)

Figure 15.1.

[ ](Ta) 25ºC

22.2mm, 500K(FOV) 115 º ( )

100mm

Figure 15.2.

0.0

0.2

0.4

0.6

0.8

1.0

1.2

-90 -80 -70 -60 -50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90

[AK9754]

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16. IR ( )(Tobj) IR

(Ta) 25 ºC, (FOV) 115 º

Figure 16.1. IR

[ ](Ta) 25ºC

(FOV) 115 º ( )20mm

Figure 16.2. IR

-40,000

-30,000

-20,000

-10,000

0

10,000

20,000

30,000

40,000

0 10 20 30 40 50Tobj [ ]

Ta=25FOV=115

[AK9754]

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17.

*CAD0,CAD1 pin open 3pF

Figure 17.1. AK9754 1

*CAD0,CAD1pin open 3pFSYNCpin 50pF

Figure 17.2. AK9754 2

Note: MCU AK9754 I2C

0.1µF

VDD : 1.71~3.63V

VSS

HOSTMCU

I2C I/F

INTN

AKM

AK9754#1

CAD0

VDD

VSS

CAD1

INTN

SDA

SCL

SYNC

AKM

AK9754#2

CAD0

VDD

VSS

CAD1

INTN

SDA

SCL

SYNC

0.1µF

0.1µF

VDD : 1.71~3.63V

VSS

HOSTMCU

I2C I/F

INTN

AKM

AK9754CAD0

VDD

VSS

CAD1

INTN

SDA

SCL

SYNC

[AK9754]

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18.18.1.8-pin SON ( : mm)

0.1

Figure 18.1. AK9754

[AK9754]

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18.2.

Figure 18.2. AK9754

Note: PCB

VSS pin

< > < >

(Unit: mm)

[AK9754]

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4

4

18.3.

Figure 18.3. AK9754

19.

AK9754AE -30 ~ 85ºC 8-pin SON

20.

Date (Y/M/D) Revision Reason Page Contents- -

[AK9754]

018006915-J-00 2018/06- 44 -

ultra-small ir sensor ic with i · ir sensor ir osc tsens ( ) ir afe ir adc ir digital filter (lpf)...

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