Datasheet Summary
INTEGRATED CIRCUITS
DATA SHEET
UBA1707 Cordless telephone, answering machine line interface
Product specification Supersedes data of 1998 Jun 11 File under Integrated Circuits, IC03 1999 Feb 17
Philips Semiconductors
Product specification
Cordless telephone, answering machine line interface
Features
Line interface
- 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 21)
- Line current limitation for protection
- Electronic hook switch control input
- Transmit amplifier with:
- Symmetrical inputs
- Fixed gain
- Large signals handling capability.
- Receive amplifier with...