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KA8601C - SPEAKER PHONE WITH SPEECH NETWORK

Description

Pin No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Symbol DTO+ CD FI FO MT VI VL LC VR MICIMICI+ GND MICO TXI AGC Description Output of the second hybrid amplifier.

Chip Disable.

Features

  • Speaker Phone - Low Operating Voltage (3.0 ~ 6.5V) - High Attenuator Gain Range (52dB) - Improved Sensitivity (Four-point Signal Sensing) - Chip Disable for Active or Standby Operation - Microphone Amp Gain set by External Components.
  • Speech Network - Low Operating Voltage (1.5V : speech) - Regulated Voltage for Dialer (Typically 3.3V) - Transmit, Receive, Side Tone Gains set by External Components - Mute Input for DTMF Dialing.

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Full PDF Text Transcription

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KA8601C INTRODUCTION SPEAKER PHONE WITH SPEECH NETWORK The KA8601C is a monolithic integrated circuit for use in high performance speaker phone system. The KA860lC consists of speaker phone and speech network. Speaker phone includes attenuators, amplifiers, level detectors, attenuator control, hybrid amplifiers, regulator and AGC circuit. Speech network includes transmit amp, receive amp, voltage regulator for dialer, side tone control, and line equalizer. 48-SDIP-600 FEATURES • Speaker Phone - Low Operating Voltage (3.0 ~ 6.5V) - High Attenuator Gain Range (52dB) - Improved Sensitivity (Four-point Signal Sensing) - Chip Disable for Active or Standby Operation - Microphone Amp Gain set by External Components • Speech Network - Low Operating Voltage (1.
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