AK9752 Datasheet, PDF (32/36 Pages) Asahi Kasei Microsystems – Ultra-small IR sensor IC with IC

17. Recommended External Circuits
[AK9752]
VDD : 1.65~1.95V
DVDD : VDD ~ 1.95V @ Fast Mode
VDD ~ 3.63V @ Standard Mode
Power for I/F
VSS
VDD2
VDD1
AKM
AK9752
SCL
SDA
INTN
INTN INPUT
I²C I/F
HOST
MCU
0.1µF
GND
VDD : Power supply for AK9752
DVDD : Power supply for Host MCU and I/F
VSS
VSS
Note:
・When DVDD > VDD, confirm that low level output voltages of I2C interface of Host MCU
do not exceed low level input voltages of AK9752’s SDA and SCL pins (30%VDD).
・The upper limit voltage of DVDD is 1.95V at Fast Mode, 3.63V at Standard Mode.
Figure 17.1. AK9752 recommended external circuit
016016473-E-00
- 32 -
2017/1