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WM8191 - 14-bit 6MSPS CIS/CCD Analogue Front End/Digitiser

General Description

The WM8191 is a 14-bit analogue front end/digitiser IC which processes and digitises the analogue output signals from CCD sensors or Contact Image Sensors (CIS) at pixel sample rates of up to 6MSPS.

Key Features

  • 14-bit ADC.
  • No missing codes guaranteed.
  • 6MSPS conversion rate.
  • Low power.
  • 250mW typical.
  • 5V single supply or 5V/3.3V dual supply operation.
  • Single or 3 channel operation.
  • Correlated double sampling.
  • Programmable gain (8-bit resolution).
  • Programmable offset adjust (8-bit resolution).
  • Programmable clamp voltage.
  • 14-bit parallel or 8/7/4-bit wide multiplexed data output formats.
  • In.

📥 Download Datasheet

Datasheet Details

Part number WM8191
Manufacturer Wolfson Microelectronics plc
File Size 343.17 KB
Description 14-bit 6MSPS CIS/CCD Analogue Front End/Digitiser
Datasheet download datasheet WM8191 Datasheet

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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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WM8191 14-bit 6MSPS CIS/CCD Analogue Front End/Digitiser Advanced Information, April 2001, Rev 3.1 DESCRIPTION The WM8191 is a 14-bit analogue front end/digitiser IC which processes and digitises the analogue output signals from CCD sensors or Contact Image Sensors (CIS) at pixel sample rates of up to 6MSPS. The device includes three analogue signal processing channels each of which contains Reset Level Clamping, Correlated Double Sampling and Programmable Gain and Offset adjust functions. Three multiplexers allow single channel processing. The output from each of these channels is time multiplexed into a single high-speed 14-bit analogue-to-digital converter. The digital output data is available in 14-bit parallel or 8/7/4-bit wide multiplexed format, with no missing codes.