PTC PT2392
The PT2392 is a CMOS IC that has a microphone peripheral circuit and an echo generation circuit for karaoke use, on a single chip.| Part No. | PT2392 |
|---|---|
| Datasheet | PT2392 Download |
| Manufacturer |  PTC |
| Description | Digital Echo |
| Buy | Stock & Price |
DESCRIPTION
APPLICATIONS
● Wireless Microphone● Karaoke System
● Consumer Audio
APPLICATIONS
● Car Entertainment System Tel: 886-2-66296288 Fax: 886-2-29174598 URL: Preliminary PT2392FEATURES
● 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 +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. BLOCK DIAGRAM MIC ALC Vol & Bass & Middle & Treble MIC_bias L Audio R Vol & Bass & Treble Mix Echo_vol ECHO FB_vol Sub_Vol MICMIXOUT Mix2 HeadPhone Drive...
