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HT8665 - Talking Back

Description

The HT8665 is a single chip CMOS LSI using an ADM algorithm.

It is designed for applications on talking back with an echo effect.

Functions of the IC consist of recording/playing and auto power off in addition to an echo effect.

Features

  • www. DataSheet4U. com.
  • Single power supply: 4.5V~5.5V ADM algorithm Auto playback with an echo effect DRAM options:.
  • 64K.
  • 256K Sampling rate options:.
  • 32K bps (bits per second).
  • 16K bps.
  • Recording capacity: 2, 4, 8, 16 seconds A built-in 2 stage microphone amplifier A built-in DRAM refresh circuit A voltage type D/A output A current type D/A.

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Full PDF Text Transcription

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HT8665 Talking Back with Echo Features • • • • www.DataSheet4U.com • Single power supply: 4.5V~5.5V ADM algorithm Auto playback with an echo effect DRAM options: – 64K – 256K Sampling rate options: – 32K bps (bits per second) – 16K bps • • • • • • • Recording capacity: 2, 4, 8, 16 seconds A built-in 2 stage microphone amplifier A built-in DRAM refresh circuit A voltage type D/A output A current type D/A output Auto power-off Low power dissipation Applications • • Toys Educations • Games General Description The HT8665 is a single chip CMOS LSI using an ADM algorithm. It is designed for applications on talking back with an echo effect. Functions of the IC consist of recording/playing and auto power off in addition to an echo effect.
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