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PT2392 - Digital Echo

Datasheet Summary

Description

The PT2392 is a CMOS IC that has a microphone peripheral circuit and an echo generation circuit for karaoke use, on a single chip.

Wireless Microphone Karaoke System Consumer Audio Applications Car Entertainment System Tel: 886-2-66296288 Fax: 88

Features

  • High-performance digital echo circuit using 44-Kbit RAM.
  • wide delay time from 45 to 333ms in 22ms/step(typ. ).
  • A mic amplifier with an ALC makes it possible to handle overload input, and the ALC operating voltage are controlled by I2C Bus or externally set to the desired value.
  • Built-in vol, bass,middle,treble,echo_vol, fb_volume,sub_vol and controlled by I2C Bus.
  • Built-in HP Driver and DEPOP.
  • Built-in MIC_bias.
  • Internal micmix.

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Datasheet preview – PT2392

Datasheet Details

Part number PT2392
Manufacturer PTC
File Size 1.26 MB
Description Digital Echo
Datasheet download datasheet PT2392 Datasheet
Additional preview pages of the PT2392 datasheet.

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Full PDF Text Transcription

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ADdigital Echo with MIC Mixing Amp DESCRIPTION The PT2392 is a CMOS IC that has a microphone peripheral circuit and an echo generation circuit for karaoke use, on a single chip. APPLICATIONS • Wireless Microphone • Karaoke System • Consumer Audio Applications • Car Entertainment System Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw Preliminary PT2392 FEATURES • High-performance digital echo circuit using 44-Kbit RAM. • wide delay time from 45 to 333ms in 22ms/step(typ.) • A mic amplifier with an ALC makes it possible to handle overload input, and the ALC operating voltage are controlled by I2C Bus or externally set to the desired value. • Built-in vol, bass,middle,treble,echo_vol, fb_volume,sub_vol and controlled by I2C Bus . • Built-in HP Driver and DEPOP.
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