AK8999AW Datasheet, PDF (66/68 Pages) Asahi Kasei Microsystems – Pressure Sensor Control IC

CONFIDENTIAL
[AK8999A/AW/AD]
17. Recommended External Circuits
1) VO pin connection example
146.kohm
Buffer&
SMF
Inside AK8999A/W/D
VO
0F – 3F
VOUT
2) Power supply pin connection example
VDD
InsideAK8999A/W/D
1.0F±10
VSS
3) VOUT pin connection examples for adjustment
1) VREF etc. adjustment
Control register (AVR etc.)
VREF etc.
1k
Inside AK8999A/W/D
2) IREF adjustment
VOUT
Voltage
Meter
1M
Control register (AIR)
IREF
1k
Inside AK8999A/W/D
3) VTMP adjustment
3.1) Internal Temp. sensor
VOUT
Voltage
Meter
1M
EXTMP
Control register (ATO)
VTMP
1k
Inside AK8999A/W/D
VOUT
Voltage
Meter
1M
3.2) External Temp. sensor
EEPROM register (TMPESO)
EXTMP
Control register (ATO)
VTMP
1k
Inside AK8999A/W/D
VOUT
Voltage
Meter
1M
VS
EEPROM register (TMPESI) Control register (ATO)
EXTMP
VTMP
1k
Inside AK8999A/W/D
VOUT
Voltage
Meter
1M
MS1600-E-00
- 66 -
2014/05