INTEGRATED CIRCUITS
DATA SHEET
TEA1098 Speech and handsfree IC
Product specification Supersedes data of 1999 May 20 File under Integrated Circuits, IC03 1999 Oct 14
Philips Semiconductors
Product specification
Speech and handsfree IC
FEATURES Line interface • Low DC line voltage • Voltage
regulator with adjustable DC voltage • Symmetrical high impedance inputs (70 kΩ) for dynamic, magnetic or electret microphones • DTMF input with confidence tone on earphone and/or loudspeaker • Receive amplifier for dynamic, magnetic or piezo-electric earpieces (with externally adjustable gain) • Automatic Gain Control (AGC) for true line loss compensation.
Supplies • Provides a strong 3.
35 V regulated s...