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TSA5515T - 1.3 GHz bi-directional I2C-bus controlled synthesizer

General Description

The TSA5515T is a single chip PLL frequency synthesizer designed for TV tuning systems.

Control data is entered via the I2C-bus; five serial bytes are required to address the device, select the oscillator frequency, programme the three output ports and set the charge-pump current.

Key Features

  • Complete 1.3 GHz single-chip system.
  • Low power 5 V, 35 mA.
  • I2C-bus programming.
  • In-lock flag.
  • Varicap drive disable.
  • Low radiation.
  • Address selection for Picture-In-Picture (PIP), DBS tuner, etc.
  • 3 bus-controlled output ports.
  • Power-down flag.
  • Available in SOT108A package.

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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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INTEGRATED CIRCUITS DATA SHEET TSA5515T 1.3 GHz bi-directional I2C-bus controlled synthesizer Product specification File under Integrated Circuits, IC02 November 1991 Philips Semiconductors 1.3 GHz bi-directional I2C-bus controlled synthesizer Product specification TSA5515T GENERAL DESCRIPTION The TSA5515T is a single chip PLL frequency synthesizer designed for TV tuning systems. Control data is entered via the I2C-bus; five serial bytes are required to address the device, select the oscillator frequency, programme the three output ports and set the charge-pump current. A flag is set when the loop is “in-lock”. Another flag is set when a power dip occurs on the supply line. These flags are read out of the TSA5515T on SDA line (one status byte) during a READ operation.