HT8665 Description
The HT8665 is a single chip CMOS LSI using an ADM algorithm. It is designed for applications on talking back with an echo effect. Functions of the IC consist of recording/playing and auto power off in addition to an echo effect.
HT8665 Key Features
- Single power supply: 4.5V~5.5V ADM algorithm Auto playback with an echo effect DRAM options
- 256K Sampling rate options
- 32K bps (bits per second)
- 16K bps
- Recording capacity: 2, 4, 8, 16 seconds A built-in 2 stage microphone amplifier A built-in DRAM refresh circuit A voltag