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WM8195 - 14-bit 12MSPS CIS/CCD Analogue Front End/Digitiser

General Description

The WM8195 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 12MSPS.

Key Features

  • 14-bit ADC No missing codes guaranteed 12MSPS conversion rate Low power.
  • 210mW 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 or 4-bit wide multiplex.

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Datasheet Details

Part number WM8195
Manufacturer Wolfson Microelectronics
File Size 400.01 KB
Description 14-bit 12MSPS CIS/CCD Analogue Front End/Digitiser
Datasheet download datasheet WM8195 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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w DESCRIPTION The WM8195 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 12MSPS. 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 or 4-bit wide multiplexed format, with no missing codes. An internal 4-bit DAC is supplied for internal reference level generation.