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AD9841A

Analog Devices
Part Number AD9841A
Manufacturer Analog Devices
Description Complete 20 MSPS CCD Signal Processors
Published Mar 24, 2005
Detailed Description a FEATURES 20 MSPS Correlated Double Sampler (CDS) 4 dB ؎ 6 dB 6-Bit Pixel Gain Amplifier ( PxGA®) 2 dB to 36 dB 10-Bit V...
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AD9841A
AD9841A


Overview
a FEATURES 20 MSPS Correlated Double Sampler (CDS) 4 dB ؎ 6 dB 6-Bit Pixel Gain Amplifier ( PxGA®) 2 dB to 36 dB 10-Bit Variable Gain Amplifier (VGA) Low Noise Clamp Circuits Analog Preblanking Function 10-Bit (9841) or 12-Bit (9842) 20 MSPS A/D Converter Auxiliary Inputs with VGA and Input Clamp 3-Wire Serial Digital Interface 3 V Single Supply Operation Low Power: 65 mW @ 2.
7 V Supply 48-Lead LQFP Package APPLICATIONS Digital Still Cameras Digital Video Camcorders Complete 20 MSPS CCD Signal Processors AD9841A/AD9842A PRODUCT DESCRIPTION The AD9841A and AD9842A are complete analog signal processors for CCD applications.
Both products feature a 20 MHz single-channel architecture designed to sample and condition the outputs of interlaced and progressive scan area CCD arrays.
The AD9841A/AD9842A’s signal chain consists of an input clamp, correlated double sampler (CDS), Pixel Gain Amplifier (PxGA), digitally controlled variable gain amplifier (VGA), black level clamp, and A/D converter.
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