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PNA7509 - 7-Bit A/D Conveter

General Description

The PNA7509 is a monolithic NMOS 7-bit analogue-to-digital converter (AOC) designed for video applications.

The device converts the analogue input signal into 7 -bit binary coded digital words at a sampling rate of 22 MHz.

Key Features

  • 7-bit resol ution.
  • No external sample and hold required.
  • High input impedance.
  • Binary or two's complement 3-state TTL outputs.
  • Overflow and underflow 3-state TTL outputs.
  • All.

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Full PDF Text Transcription for PNA7509 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for PNA7509. For precise diagrams, and layout, please refer to the original PDF.

DEVELOPMENT DATA This data sheet contains advance information and specifications are subject to change without notice. l___P_N_A_75_0_9___ 7-81T ANALOGUE-TO-DIGITAL CONVE...

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ge without notice. l___P_N_A_75_0_9___ 7-81T ANALOGUE-TO-DIGITAL CONVERTER (ADC 7) GENERAL DESCRIPTION The PNA7509 is a monolithic NMOS 7-bit analogue-to-digital converter (AOC) designed for video applications. The device converts the analogue input signal into 7 -bit binary coded digital words at a sampling rate of 22 MHz. The circuit comprises 129 comparators, a reference resistor chain, combining logic, transcoder stages, and TTL output buffers which are positive edge triggered and can be switched into 3-state mode. The digital output is selectable in two's complement or binary coding. The use of separate outputs for ov

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