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LA8638V - Low-voltage Compander IC

Description

Pin Number

Features

  • Full processing of baseband signals for both receiving and transmitting signals.
  • Built-in BTL receiver amplifier for driving a ceramic SANYO: SSOP30 Specifications Maximum Ratings at Ta = 25°C Parameter Maximum power supply voltage Maximum power dissipation Operating temperature Storage temperature Symbol VCC max Pd max Topr Tstg Ta ≤ 75°C Conditions Ratings 7.0 100.
  • 20 to +75.
  • 40 to +125 Unit V mW °C °C Operating Conditions at Ta = 25°C Parameter Recommended.

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Full PDF Text Transcription

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Ordering number : EN5776 Monolithic Linear IC LA8638V Low-voltage Compander IC for Cordless Telephones Overview The LA8638V provides dynamic range expansion, noise suppression for enhancing the quality of audio signals in cordless telephones and other communications systems. This single chip provides the functions that make it ideal for cordless telephones: a compressor with a logarithmic compression ratio of 1/2, expander with a logarithmic expansion ratio of 2, splatter filter, microphone amplifier, BTL amplifier, waveform shaper for the receiving signal, muting for both receiving and transmitting signals, and standby operation.
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