AK8999AD Datasheet, PDF (6/68 Pages) Asahi Kasei Microsystems – Pressure Sensor Control IC

CONFIDENTIAL
[AK8999A/AW/AD]
3) External Temperature Sensor Characteristics
The characteristics of an external temperature sensor are shown below.
Parameter
Sensor drive current (sink)
Sensor drive current (source)
Sensor temp. variation
Sensor voltage @25C
Symbol
Tsdi
Tsdo
Tss
Tsv25
Min.
-2.4
550
Typ.
-50
+50
-2.2
600
Max.
-2.0
650
Units
μA
μA
mV/C
mV
Description
50μA current drive
50μA current drive
4) Connection of Pressure Sensor and External Temperature Sensor
The recommended connection examples of a pressure sensor and an external temperature sensor (Source or Sink
current drive) are shown below.
VS
Source Current
EXTMP
Sensor Voltage AK8999A
VP
VN
Sensor drive source current
Sensor Voltage
VS
Sink Current
EXTMP
AK8999A
VP
VN
Sensor drive sink current
MS1600-E-00
-6-
2014/05