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ET9571 - 3-Ch. Diff. Amplifier-comparator

Description

These devices are specifically designed as receiver circuits for the phototransistor signals available in some optical encoders.

Connect the emitters of the phototransistors to the input pins, with the collectors connected to Vcc.

Features

  • Supply Voltage Range 4.5V to 30V Designed for phototransistor inputs Index channel gated by A and B Current sink for LED drive (see.

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Datasheet preview – ET9571

Datasheet Details

Part number ET9571
Manufacturer IC Haus
File Size 53.36 KB
Description 3-Ch. Diff. Amplifier-comparator
Datasheet download datasheet ET9571 Datasheet
Additional preview pages of the ET9571 datasheet.

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Full PDF Text Transcription

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3 CHANNEL DIFFERENTIAL AMPLIFIER-COMPARATOR (Phototransistor input version of the standard ET9570) ET9571 FEATURES • • • • • • Supply Voltage Range 4.5V to 30V Designed for phototransistor inputs Index channel gated by A and B Current sink for LED drive (see application note APP-D2) Outputs short circuit protected 25mA peak drive current APPLICATIONS • • Optical Encoders Industrial Controls DESCRIPTION These devices are specifically designed as receiver circuits for the phototransistor signals available in some optical encoders. Connect the emitters of the phototransistors to the input pins, with the collectors connected to Vcc. The inputs have 330 ohm resistors to terminate the phototransistors in an emitter follower mode.
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