PT2392
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
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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.
- Built-in MIC_bias.
- Internal micmixing amplifier.
- Master volume from +15d B to -79d B in 1d B/step.
- bass,middle,treble from +15d B to -15d B in 1d B/step.
- echo_vol ,sub_vol from 0d B to -28d B in 2d B/step.
- fb_vol from -2d B to -8d B in 1d...
