AK8996W データシートの表示（PDF） - Asahi Kasei Microdevices

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AK8996W

Pressure Sensor Interface IC

Asahi Kasei Microdevices 

• Integrated reference voltage & reference current generator

- VREF voltage adjustment control

- Resolution:

3-bits

- Adjustment step: 1%/step

- IREF current adjustment control

- Resolution:

4-bits

- Adjustment step: 2.7%/step typ.

• Integrated temperature sensor

- Temperature range: -40 to 105°C

- Temperature sensor output voltage adjustment control

- Resolution:

6-bits

- Adjustment step: 0.2%/step

• Integrated timer oscillator for intermittent operation (1024 kHz typ.)

- Oscillating frequency adjustment control

- Resolution:

4-bits

- Adjustment step: 5%/step

• Integrated EEPROM for compensation values and control data storage

- Size:

157 bits

- Endurance:

1,000 times or more

- Retention time:

10 years or more @Ta: 105°C

• Integrated pressure detection/self-diagnosis function

• Supply type:

Wafer PKG (UQFN16)

Product name

AK8996

AK8996W

Supply Type

PKG (UQFN16)

Wafer

Note

Block Diagram

[AK8996/W]

VS

Regulator

VOUT

Oscillator

Timing

Logic

Power ON

Delay

V_Bandgap

V_Reference

I_Reference

Pressure

Judge

VDD track

V_

Common

V_Temp.

Gain Temp.

track

Offset Temp.

track

STV

VOUT

EEPROM

Pressure Detector

Offset_Temp. Gain_Temp.

VP

VN

Gain Amp.1 Gain Amp.2

Gain Amp.3

Offset

Gain

Gain Amplifier Block

LPF

S/H1&

Level

Shift

Buffer

S/H2

32kohm

EEPROM

&

Control

Register

Serial I/F

VDD

VSS

VSSO

AGND

PTH

DET

VOUT

VO

SDI/O

SCLK

CS

STBYN

MS1055-E-02

2

2011/12

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