TEA1112
TEA1112 is Low voltage versatile telephone transmission manufactured by NXP Semiconductors.
INTEGRATED CIRCUITS
DATA SHEET
TEA1112; TEA1112A Low voltage versatile telephone transmission circuits with dialler interface
Product specification Supersedes data of 1996 Feb 16 File under Integrated Circuits, IC03 1997 Mar 26
Philips Semiconductors
Product specification
Low voltage versatile telephone transmission circuits with dialler interface
Features
- Low DC line voltage; operates down to 1.6 V (excluding polarity guard)
- Voltage regulator with adjustable DC voltage
- Provides a supply for external circuits
- Symmetrical high impedance inputs (64 kΩ) for dynamic, magnetic or piezo-electric microphones
- Asymmetrical high impedance input (32 kΩ) for electret microphones
- DTMF...
