UBA1707 Overview
Key Features
- Low DC line voltage; operates down to 1.2 V (excluding polarity guard)
- Voltage regulator with adjustable DC voltage
- DC mask for voltage or current regulation (CTR
- Line current limitation for protection
- Electronic hook switch control input
- Transmit amplifier with: – Symmetrical inputs – Fixed gain – Large signals handling capability
- Receive amplifier with fixed gain
- Transmit and receive amplifiers AGC for line loss compensation. Auxiliary amplifier
- Fixed gain. Loudspeaker channel
- Rail-to-rail output stage for single-ended load drive