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TEA1068 - Versatile telephone transmission

Datasheet Summary

Description

The TEA1068 is a bipolar integrated circuit performing all speech and line interface functions required in fully electronic telephone sets.

It performs electronic switching between dialling and speech.

MAX.

60 39 6.3 60 1 +75 V V dB dB dB

Features

  • Voltage regulator with adjustable static resistance.
  • Provides supply for external circuitry.
  • Symmetrical high-impedance inputs (64 kΩ) for dynamic, magnetic or piezoelectric microphones.
  • Asymmetrical high-impedance input (32 kΩ) for electret microphone.
  • Dual-Tone Multi-Frequency (DTMF) signal input with confidence tone.
  • Mute input for pulse or DTMF dialling.
  • Power down input for pulse dial or register recall.
  • Receiving ampl.

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Datasheet preview – TEA1068

Datasheet Details

Part number TEA1068
Manufacturer NXP
File Size 168.06 KB
Description Versatile telephone transmission
Datasheet download datasheet TEA1068 Datasheet
Additional preview pages of the TEA1068 datasheet.

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Full PDF Text Transcription

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INTEGRATED CIRCUITS DATA SHEET TEA1068 Versatile telephone transmission circuit with dialler interface Product specification Supersedes data of June 1990 File under Integrated Circuits, IC03 1996 Apr 23 Philips Semiconductors Product specification Versatile telephone transmission circuit with dialler interface FEATURES • Voltage regulator with adjustable static resistance • Provides supply for external circuitry • Symmetrical high-impedance inputs (64 kΩ) for dynamic, magnetic or piezoelectric microphones • Asymmetrical high-impedance input (32 kΩ) for electret microphone • Dual-Tone Multi-Frequency (DTMF) signal input with confidence tone • Mute input for pulse or DTMF dialling • Power down input for pulse dial or register recall • Receiving amplifier for magnetic, dynamic or piezoelec
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