TEA1096AT

INTEGRATED CIRCUITS DATA SHEET TEA1096; TEA1096A Speech and listening-in IC Product Specification File under Integrated Circuits, IC03 November 1994 Philips Semiconductors Philips Semiconductors Product Specification Speech and listening-in IC FEATURES Line Interface with: – active set impedance (adjustable) – voltage regulator with adjustable DC voltage – low voltage circuit for parallel operation Interface to peripheral circuits with: – supply VDD for microcontroller – stabilized supply voltage (VBB) which is: available for peripheral circuits adjustable (TEA1096 only) – Dual-Tone MultiFrequency (DTMF) signal input – power-down function for pulse dialling/flash – mute function to disable speech during dialling Microphone amplifier with: – symmetrical high impedance inputs – externally adjustable gain – AGC; line-loss compensation – dynamic limiter – microphone mute function Receiving amplifier with: – externally adjustable gain – confidence tone during dialling – double anti-sidetone circuit for long and short lines – AGC; line-loss compensation – earpiece protection by soft clipping. Listening-in circuit with: – loudspeaker amplifier – dynamic limiter to prevent distortion at any supply condition – volume control via a potentiometer – fixed gain of 35.5 dB – disable function – gain control input (TEA1096A only). ORDERING INFORMATION PACKAGE TYPE NUMBER NAME TEA1096 TEA1096A TEA1096T TEA1096AT November 1994 DIP28 DIP28 SO28 SO28 DESCRIPTION APPLICATIONS TEA10...