
CONFIDENTIAL [AK8999A/AW/AD]
MS1600-E-00 2014/05
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3) External Temperature Sensor Characteristics
The characteristics of an external temperature sensor are shown below.
Parameter Symbol Min. Typ. Max. Units Description
Sensor drive current (sink) Tsdi -50 μA
Sensor drive current (source) Tsdo +50 μA
Sensor temp. variation
Tss -2.4 -2.2 -2.0
mV/
C
50μA current drive
Sensor voltage @25
C
Tsv25 550 600 650
mV
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.
Sensor drive source current Sensor drive sink current
VS
AK8999A
VS
AK8999A
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