Product Summary

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. 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. The applications of the PT2399 are KARAOKE Mixer, CD/DVD Player/Recorder, Multimedia TV, Car Entertainment System, Music Instrument effecter, Electronics Toy.

Parametrics

PT2399 absolute maximum ratings: (1)Supply voltage:6.5V; (2)Supply current:100mA; (3)Power dissipation:1.7W; (4)Operation temperature:-40 to +85℃; (5)Storage temperature:-65 to +150℃.

Features

PT2399 features: (1)CMOS technology; (2)Least external components; (3)Auto reset Function prevent POP noise; (4)Low noise, SNR better than 90dB (typical); (5)Low distortion, THD= 0.5%(typical); (6)User adjustable VCO clock frequency.

Diagrams

PT2399 block diagram

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PT2399
PT2399

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PT2300
PT2300

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PT2301
PT2301

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PT2303
PT2303

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PT2305
PT2305

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PT2307
PT2307

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PT2308
PT2308

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