Description
plastic dual in-line package; 16 leads (300 mil) plastic small outline package; 16 leads; body width 3.9 mm bare die; on foil APPLICATIONS
TEA1114A
Line powered telephone sets with LCD module
Cordless telephones
Fax machines
Answering machines.
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.
- 3.3 V regulated strong supply point for peripheral circuits compatible with:.
- Speech mode.
- Ringer mode.
- Trickle mode.
- Transmit stage with:.
- Microphone amplifier with symmetrical high impedance inputs.
- DTMF amplifier with confidence tone on receive output.