INTEGRATED CIRCUITS
DATA SHEET
TEA1114A Low
voltage telephone transmission circuit with dialler interface and regulated strong supply
Product specification Supersedes data of 1999 Sep 14 File under Integrated Circuits, IC03 2000 Mar 21
Philips Semiconductors
Product specification
Low
voltage telephone transmission circuit with dialler interface and regulated strong supply
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 a...