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TDA4445A - Quasi Parallel Sound Processing with Quadrature Intercarrier Demodulator

General Description

Pin 1 16 3 8 9 11 12 13 2, 4, 7, 10, 14, 15 Symbol Function IF input If AGC time constant Tuned circuit Supply voltage Sound-IF-output Ground not connected TELEFUNKEN Semiconductors Circuit Description This circuit includes the following functions D Three symmetrical and gain cont

Key Features

  • D D D D D D Very high input sensitivity Excellent signal to noise ratio Fast averaged AGC IF amplifier can be switched off for VTR mode Output signal stabilized against VS variations Very few external components TDA4445B additional D Targeting bistandard.

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📁 Similar Datasheet

Part Number Description Manufacturer
TDA4445A SOUND IF AMPLIFIER ST Microelectronics
TDA4445B SOUND IF AMPLIFIER ST Microelectronics

Other Datasheets by TEMIC Semiconductors (now Microchip)

Part Number Description
TDA4445B Quasi Parallel Sound Processing with Quadrature Intercarrier Demodulator
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TDA4472-M Video-IF and Quasi Parallel Sound Processing

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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TELEFUNKEN Semiconductors TDA4445A/TDA4445B Quasi Parallel Sound Processing with Quadrature Intercarrier Demodulator Technology: Bipolar Features D D D D D D Very high input sensitivity Excellent signal to noise ratio Fast averaged AGC IF amplifier can be switched off for VTR mode Output signal stabilized against VS variations Very few external components TDA4445B additional D Targeting bistandard applications (B/G and L) D Alignment free AM demodulator D Low AM distortion Case: DIP16 Figure 1. Block diagram TDA4445A Figure 2. Block diagram TDA4445B Rev. A1: 14.09.