SD34018
- Category
- Telephone circuit
- Description
- A single-chip telephone call circuit that combines the necessary amplifier, attenuator, and several control functions, including a transmit and receive attenuator, a background noise level detection system, and an attenuator control system that responds to transmit and receive levels better than background noise. Equipped with a peripheral resistive container device, it can be made into a high-quality handsfree speakerphone system.
- Package
- SOP28
| Model | |||||||
|---|---|---|---|---|---|---|---|
| SD34018 | A single-chip telephone call circuit that combines the necessary amplifier, attenuator, and several control functions, including a transmit and receive attenuator, a background noise level detection system, and an attenuator control system that responds to transmit and receive levels better than background noise. Equipped with a peripheral resistive container device, it can be made into a high-quality handsfree speakerphone system. | 6V~11V | 40dB~48dB | 40dB~48dB | 33dB~35dB | 32.5dB~35dB | SOP28 |