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GL3277 - PREAMPLIFIER

General Description

The GL3277 is a bipolar analog ICs specifically developed for use in infrared remote control system VCC receiving preamplifiers.

Key Features

  • CAGC.
  • Enhanced immunity against all kinds of disturbance light OUT.
  • No occurence of disturbance pulses at the output.
  • Output active low DGND.
  • Simple.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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GL3277 GL3277 PREAMPLIFIER FOR REMOTE CONTROL USE Description Pin Configurations The GL3277 is a bipolar analog ICs specifically developed for use in infrared remote control system VCC receiving preamplifiers. Features CAGC • Enhanced immunity against all kinds of disturbance light OUT • No occurence of disturbance pulses at the output • Output active low DGND • Simple applications • Support RC-5 code , NEC code • Operating frequency : 38kHz¡ ¾ 2.5kHz @ Vcc=5V, Ta=25¡ É Block Diagram NC 7 NC 8 VCC 1 1 2 3 4 8 7 6 5 NC NC AGND IN 8 SOP RL BIAS IN Output stage Input stage Variable amp BPF AGC OUT 3 5 Photo diode 6 AGND 2 CAGC 4 DGND The information in this document is subject to change without notice.