
CONFIDENTIAL [AK8999A/AW/AD]
MS1600-E-00 2014/05
- 4 -
1) Sensor Characteristics
Adjustable characteristics of pressure sensors are shown below.
■VDD: 5V ± 10%, Sensor drive voltage: 4V, Temperature range: -40 to 105C
Parameter Symbol Min. Typ. Max. Units Description
Sensor resistance
Sres
1.00 4.00 6.50
k
Voltage input span range Sspnin1 12.00 44.00 76.00 mV Sensor1
Sspnin2 17.00 70.00 125.00 mV Sensor2
Offset voltage adjustment
range
Soff1 -15.00 0.00 15.00 mV Sensor1
Soff2 -35.00 0.00 35.00 mV Sensor2
Sensitivity temp. drift
coefficient
Sst1
-4000 2500
ppm/
C
Sensor1
Sst2 -4000 2500
ppm/
C
Sensor2
Offset temp. drift
coefficient
Sot1
-0.040 0.00 0.040
mV/
C
Sensor1
Sot2 -0.080 0.00 0.080
mV/
C
Sensor2
Note) To combine characteristics of Sensor 1/2 is not allowed. For example, when the characteristic of span
voltage is used as Sensor 1, the characteristic of offset voltage can choose only Sensor 1.
■VDD: 3V ± 10%, 3.3V ± 10%, 5V ± 10%, Sensor drive voltage: 2.2V, Temperature range: -40 to 105C
Parameter Symbol Min. Typ. Max. Units Description
Sensor resistance
Sres 0.82 4.00 6.50
k
Voltage input span range Sspnin1
6.60 24.20 41.80
mV Sensor1
Sspnin2 9.00 40.00 70.00 mV Sensor2
Offset voltage adjustment
range
Soff1 -8.25 0.00 8.25 mV Sensor1
Soff2 -19.25 0.00 19.25 mV Sensor2
Sensitivity temp. drift
coefficient
Sst1
-4000 2500
ppm/
C
Sensor1
Sst2 -4000 2500
ppm/
C
Sensor2
Offset temp. drift
coefficient
Sot1
-0.022 0.00 0.022
mV/
C
Sensor1
Sot2 -0.044 0.00 0.044
mV/
C
Sensor2
Note) To combine characteristics of Sensor 1/2 is not allowed. For example, when the characteristic of span
voltage is used as Sensor 1, the characteristic of offset voltage can choose only Sensor 1.
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