HT8972 Overview
The HT8972 is an echo/surround effect processor. It is designed for various audio systems including karaoke, television, sound equipments, etc. The chip consists of a built-in pre-amplifier, VCO or Voltage Control OSC, 40Kb SRAM, A/D and D/A converters as well as delay time control logic.
HT8972 Key Features
- Operating voltage: 4.5V~5.5V
- ADM algorithm
- Low noise
- Echo mode: -85dB
- Surround mode: -90dB
- Low distortion rate
- Echo mode: 1%
- Surround mode: 0.2%
- Built-in 40Kb SRAM
- Automatic reset function
HT8972 Applications
- The IC substrate should be connected to VSS in the PCB layout artwork