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WM8235 Datasheet 135-MSPS 9-Channel AFE

Manufacturer: Cirrus Logic

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General Description

The WM8235 is a 16-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 15 MSPS per channel.

The device has nine analogue signal processing channels each of which contains Reset Level Clamping, Correlated Double Sampling (also Sample and Hold), Programmable Gain, Automatic Gain Control (AGC) and Offset adjust functions.

The output from each of these channels is time multiplexed, in pairs, into three high-speed 16-bit Analogue to Digital Converters.

Overview

WM8235 135 MSPS 9-Channel AFE with Sensor Timing Generation and LVDS/CMOS Data.

Key Features

  • a sensor timing clock generator for both CCD and CIS sensors. The clock generator can accept a slow or fast reference clock input and also has a flexible timing adjustment function for output timing clocks to allow use of many different sensors.

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