M52957AFP データシートの表示（PDF） - Renesas Electronics

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M52957AFP

Distance Detection Signal Processing for 3V Supply Voltage

Renesas Electronics 

M52957AFP

Distance Detection Signal Processing for 3V Supply Voltage

REJ03F0069-0100Z

Rev.1.0

Sep.19.2003

Description

M52957AFP is a semiconductor integrated circuit containing distance detection signal processing circuit for 3V supply

voltage.

This device transforms each optical inflow current I1 and I2 from PSD SENSOR into the voltage, and integrates that

output after doing calculation corresponds to I1/(I1+I2), and outputs it as the time data(pulse term).

Features

• Wide supply voltage range Vcc=2.2 to 5.5V

• Includes clamp level switching circuit

(Switch is 16 kinds by outside control)

• Includes STANDBY function

• Includes POWER ON RESET function

Application

Auto focus control for the CAMERA

Sensor for short distance etc

Recommended Operating Condition

Rated supply voltage • • • • • • • • • • • • • • • 3.0V

Supply voltage • • • • • • • • • • • • • • • 2.2 to 5.5V

Rev.1.0, Sep.19.2003, page 1 of 13

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