PT2399 데이터 시트보기 (PDF) - Princeton Technology

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PT2399

Echo Processor IC

Princeton Technology 

DESCRIPTION

The PT2399 is a single chip echo processor IC utilizing

CMOS technology. Which accept analog audio input

signal, a high sample rate ADC transfer the analog

signal into a bit stream then storage to internal 44Kbit

RAM, after processing the bit stream will de-modulate

by DAC and lowpass filter. Overall delay time is

determined by internal VCO clock frequency, and user

can easy to change the VCO frequency by changing

the external resistance. The PT2399 performs low

distortion (THD<0.5%@0.5Vrms) and low noise

(No<-90dBV) characteristic for audio purpose, and pin

arrangement and application circuit are optimized for

easy PCB layout and cost saving advantage.

APPLICATIONS

• KARAOKE Mixer

• CD/DVD Player/Recorder

• Multimedia TV

• Car Entertainment System

• Music Instrument effecter

• Electronics Toy

BLOCK DIAGRAM

PT2399

Echo Processor IC

FEATURES

• CMOS technology

• Least external components

• Auto reset Function prevent POP noise

• Low noise, SNR better than 90dB (typical)

• Low distortion, THD= 0.5%(typical)

• User adjustable VCO clock frequency.

Tel: 886-66296288‧Fax: 886-29174598‧ http://www.princeton.com.tw‧2F, 233-1, Baociao Road, Sindian, Taipei 23145, Taiwan

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