HT8656A

Operating voltage: 4.5V~5.5V 

ADM algorithm DRAM selection: ­ 256K 

Sampling rate selection: ­ 16Kb 

Auto stop recording ­ 0.5 seconds silence is detected

Recording capacity is full

Built-in 2-stage microphone amplifier 

Built-in DRAM refresh circuit 

Voltage type D/A output 

Current type D/A output 

Auto record and playback 

Auto power-off 

Low power consumption