Description
The UTC34018 speakerphone integrated circuit incorporates the necessary amplifier, attenuators, and control functions to produce a high quality hands-free speakerphone system.
Features
- All necessary level detection and attenuation controls for a hand-free telephone in a single integrated circuit.
- Background noise level monitoring with long time constant.
- Wide operating dynamic range through signal compression.
- On-chip supply and reference voltage regulation.
- Typical 100mW output power(into 25 ohms)with peak limiting to minimize distortion.
- Chip Select pin for active/standby operation.
- Linear Volume control function.
- Standard 28-pin plastic DIP.
UTC34018 Datasheet
