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TEA1098TV

NXP
Part Number TEA1098TV
Manufacturer NXP
Description Speech/handsfree
Published Apr 16, 2005
Detailed Description INTEGRATED CIRCUITS DATA SHEET TEA1098 Speech and handsfree IC Product specification Supersedes data of 1999 May 20 Fil...
Datasheet PDF File TEA1098TV PDF File

TEA1098TV
TEA1098TV

Overview
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 supply for microcontrollers or diallers • Provides filtered power supply, optimized according to line current • Filtered 2.
0 V power supply output for electret microphone • PD logic input for power-down.
Handsfree • Asymmetrical high input impedance for electret microphone • Loudspeaker amplifier wit...


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