TEA1114A Description
plastic dual in-line package; 16 leads (300 mil) plastic small outline package; body width 3.9 mm bare die;.
TEA1114A Key Features
- Low DC line voltage; operates down to 1.45 V (excluding voltage drop over external polarity guard)
- Line voltage regulator with adjustable DC voltage
- Speech mode
- Ringer mode
- Trickle mode
- Microphone amplifier with symmetrical high impedance inputs
- DTMF amplifier with confidence tone on receive output
- Receive amplifier with asymmetrical output
- Earpiece amplifier with adjustable gain (and gain boost facility) for all types of earpieces
- MUTE input for pulse or DTMF dialling
TEA1114A Applications
- Line powered telephone sets with LCD module