TEA1068 Overview
The TEA1068 is a bipolar integrated circuit performing all speech and line interface functions required in fully electronic telephone sets. It performs electronic switching between dialling and speech. 18 leads (300 mil) plastic small outline package;.
TEA1068 Key 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 down input for pulse dial or register recall
- 2.8 2.5 3.05
- 0.96 55 PARAMETER CONDITIONS Iline = 15 mA MIN. 4.2 TYP. 4.45
- Large gain setting range on microphone and earpiece amplifiers