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Datasheet

TDA8703
(Product Specification)
26-Aug-96, 18 pages, 96 kB

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8-bit high-speed analog-to-digital converter

General description
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General description

The TDA8703 is an 8-bit high-speed Analog-to-Digital Converter (ADC) for video and other applications. It converts the analog input signal into 8-bit binary-coded digital words at a maximum sampling rate of 40 MHz. All digital inputs and outputs are TTL compatible, although a low-level AC clock input signal is allowed.

Features

  • 8-bit resolution
  • Sampling rate up to 40 MHz
  • High signal-to-noise ratio over a large analog input frequency range (7.1 effective bits at 4.43 MHz full-scale input)
  • Binary or two's complement 3-state TTL outputs
  • Overflow/underflow 3-state TTL output
  • TTL compatible digital inputs
  • Low-level AC clock input signal allowed
  • Internal reference voltage generator
  • Power dissipation only 290 mW (typical)
  • Low analog input capacitance, no buffer amplifier required
  • No sample-and-hold circuit required.

Applications

  • General purpose high-speed analog-to-digital conversion
  • Digital TV, IDTV
  • Subscriber TV decoder
  • Satellite TV decoders
  • Digital VCR.

Block diagrams/pinning

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