INTEGRATED CIRCUITS
DATA SHEET
TEA1068 Versatile telephone transmission circuit with dialler interface
Product specification Supersedes data of June 1990 File under Integrated Circuits, IC03 1996 Apr 23
Philips Semiconductors
Product specification
Versatile telephone transmission circuit with dialler interface
FEATURES • Voltage
regulator with adjustable static resistance • Provides supply for external circuitry • Symmetrical high-impedance inputs (64 kΩ) for dynamic, magnetic or piezoelectric microphones • Asymmetrical high-impedance input (32 kΩ) for electret microphone • Dual-Tone Multi-Frequency (DTMF) signal input with confidence tone • Mute input for pulse or DTMF dialling • Power d...