PT2392 Overview
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: http://.princeton..tw Preliminary PT2392.
PT2392 Key Features
- High-performance digital echo circuit using 44-Kbit RAM
- wide delay time from 45 to 333ms in 22ms/step(typ.)
- 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 micmixing amplifier
- Master volume from +15dB to -79dB in 1dB/step
- bass,middle,treble from +15dB to -15dB in 1dB/step
- echo_vol ,sub_vol from 0dB to -28dB in 2dB/step
- fb_vol from -2dB to -8dB in 1dB/step