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AD9824 Datasheet(PDF) 1 Page - Analog Devices |
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AD9824 Datasheet(HTML) 1 Page - Analog Devices |
1 / 24 page REV. 0 Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. a AD9824 One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781/329-4700 www.analog.com Fax: 781/326-8703 © Analog Devices, Inc., 2002 Complete 14-Bit 30 MSPS CCD Signal Processor FUNCTIONAL BLOCK DIAGRAM DATACLK SHD SHP 2:1 MUX DOUT AUX2IN CLPDM CCDIN AUX1IN INTERNAL TIMING 2dB~36dB AVDD DVDD DVSS AVSS DRVDD DRVSS 10 8 DIGITAL INTERFACE SDATA SCK SL CDS VGA BUF 2:1 MUX CLP AD9824 CLP ADC 4dB 6dB COLOR STEERING HD VD PxGA 6 BAND GAP REFERENCE VRT VRB CLP 14 BLK CLAMP LEVEL CONTROL REGISTERS CLPOB PBLK FEATURES 14-Bit 30 MSPS A/D Converter 30 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 Auxiliary Inputs with VGA and Input Clamp 3-Wire Serial Digital Interface 3 V Single-Supply Operation Low Power: 153 mW @ 3 V Supply Space-Saving 48-Lead LFCSP Package APPLICATIONS High Performance Digital Still Cameras Industrial/Scientific Imaging PRODUCT DESCRIPTION The AD9824 is a complete analog signal processor for CCD applications. It features a 30 MHz single-channel architecture designed to sample and condition the outputs of interlaced and progressive scan area CCD arrays. The AD9824’s signal chain consists of an input clamp, a correlated double sampler (CDS), PxGA, a digitally controlled VGA, a black level clamp, and a 14-bit A/D converter. Additional input modes are also pro- vided for processing analog video signals. The internal registers are programmed through a 3-wire serial digital interface. Programmable features include gain adjustment, black level adjustment, input configuration, and power-down modes. The AD9824 operates from a single 3 V power supply, typically dissipates 153 mW, and is packaged in a 48-lead LFCSP. PxGA is a registered trademark of Analog Devices, Inc. |
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