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AK8999AD Datasheet, PDF (2/68 Pages) Asahi Kasei Microsystems – Pressure Sensor Control IC
CONFIDENTIAL
[AK8999A/AW/AD]
• Integrated constant voltage source for pressure sensor
: 2.2V @ VDD:3.0, 3.3V ± 10%, 4.0V or 2.2V @ VDD:5.0V ± 10%
• Integrated pressure threshold detectors (x2)
- Detection threshold adjustment control
Adjustment range
: 0.125*VDD to 0.9*VDD
Adjustment step
: 0.025*VDD /step
- Detection threshold external setting function (DET2/PTH pin use)
- Hysteresis voltage adjustment control
Adjustment range
: 0.03*VDD to 0.06*VDD
Adjustment step
: 0.01*VDD /step
• Integrated reference voltage & reference current generator
- VREF voltage adjustment control
Resolution
: 3bits
Adjustment step
: 1% /step
- VREF current adjustment control
Resolution
: 4bits
Adjustment step
: 2.8% /step typ.
• Temperature sensor (inter nal or external)
- Temperature range
: -40 to 105 C
- Internal temperature sensor output voltage adjustment control
Resolution
: 6 bits
Adjustment step
: 0.2% /step
- External temperature sensor output voltage adjustment control
Resolution
: 9 bits (Coarse=3bits, Fine=6bits)
Adjustment step
: Coarse 10% /step, Fine 0.2% /step
- Integrated external temperature sensor constant current circuit:±50μA typ.
• Integrated oscillator for intermittent operation (1000kHz typ.)
- Oscillating frequency adjustment control
Resolution
: 4 bits
Adjustment step
: 5% /step typ.
• Integrated EEPROM for compensation values and control data storage
- Size
: 135 bits
- Endurance
: 1,000 times or more
- Retention time
: 10 years or more @Ta: 105C
• Supply Type
: Die (Tray), Wafer, PKG (UQFN16)
Product name
AK8999A
AK8999AW
AK8999AD
Supply Type
PKG (UQFN16)
Wafer
Die (Tray)
Description
MS1600-E-00
-2-
2014/05