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AK7401 PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 AK7401
部品説明 Rotary Position Sensor IC
メーカ AKM
ロゴ AKM ロゴ 

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AK7401 Datasheet, AK7401 PDF,ピン配置, 機能
[AK7401]
AK7401
Rotary Position Sensor IC
1. General Description
The AK7401 is a monolithic Hall-Effect sensor IC that specializes in detecting rotation angle. A
contactless rotary position sensor is easily designed with a magnet.
The AK7401 is only sensitive to the magnetic flux density applied parallel to the IC surface. This is
obtained through a magnetic concentrator which is mounted on the Hall-Effect elements. It is
advantageous to accurate angular measurements against mechanical displacement.
To detect the rotation angle of a magnet, the AK7401 provides a 12-bit angle data. The angle data output
is available via PWM and serial data protocols.
2. Applications
Steering wheel position sensor, Pedal position sensor, Throttle position sensor, EGR valve position
sensor, Turbo valve position sensor, Motor shaft position sensor
3. Features
360° Contactless Angle Sensor
Angle Resolution : 12bit
Angle Linearity Error: ±0.95°@25°C
Over Voltage Protection: +16V @VDD pin
Reverse Voltage Protection: -16V @VDD, VSS pin
Automotive Temperature Range: -40°C to +150°C
AEC-Q100 Compliant
Output Interface: 3-wire SPI / PWM Push-Pull / PWM NMOS Open-Drain
User Programmable
Zero degree point
Magnet rotation direction: CCW or CW
Angle data average: OFF, SPC (2 times average), HP (8 times average)
PWM frequency: 250, 500 and 1000Hz
PWM polarity
OUT pin output type: Push-Pull / NMOS Open-Drain
Self-diagnostic Functions
Mismatch detect function for triple-redundant EEPROM data
Under and over supply voltage detect function
Under and over magnetic flux density detect function
Environmental Friendly (RoHS Compliant)
Lead free
Halogen free
014002685-E-01
-1-
2015/07

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