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TEA1098ATV Datasheet

Part Number TEA1098ATV
Manufacturers NXP
Logo NXP
Description Speech/handsfree
Datasheet TEA1098ATV DatasheetTEA1098ATV Datasheet (PDF)

INTEGRATED CIRCUITS DATA SHEET TEA1098A Speech and handsfree IC Preliminary specification File under Integrated Circuits, IC03 2000 Mar 21 Philips Semiconductors Preliminary 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 • Earphone amplifier for dynamic, mag.

  TEA1098ATV   TEA1098ATV






Speech/handsfree

INTEGRATED CIRCUITS DATA SHEET TEA1098A Speech and handsfree IC Preliminary specification File under Integrated Circuits, IC03 2000 Mar 21 Philips Semiconductors Preliminary 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 • Earphone amplifier for dynamic, magnetic or piezo-electric earpieces (with externally adjustable gain) • Digital volume control on earphone amplifier (4 steps) • Automatic Gain Control (AGC) for true line loss compensation • Microphone mute • Key tone mode. Supplies • Provides a strong 3.35 V regulated supply for microcontroller or dialler • 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 with single-ended rail-to-rail output and externally adjustable gain • Dynamic limiter on loudspeaker amplifier to prevent distortion • Digital volume control on loudspeaker amplifier (8 steps) ORDERING INFORMATION PACKAGE TYPE NUMBER NAME TEA1098ATV TEA1098AH VSO40 QFP44 DESCRIPTION plastic very small outline package; 40 leads plastic quad flat package; 44 leads (lead length 1.3 mm); body 10 × 10× 1.75 mm GENERAL DESCRIPTION • Dupl.


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