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AD9970 Datasheet(PDF) 1 Page - Analog Devices |
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AD9970 Datasheet(HTML) 1 Page - Analog Devices |
1 / 2 page 14-Bit CCD Signal Processor with Precision Timing™ Generator AD9970 Rev. SpA Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.461.3113 ©2005–2007 Analog Devices, Inc. All rights reserved. FEATURES 1.8 V analog and digital core supply voltage Serial data link with reduced range LVDS outputs Correlated double sampler (CDS) with −3 dB, 0 dB, +3 dB, and +6 dB gain 6 dB to 42 dB, 10-bit variable gain amplifier (VGA) 14-bit, 65 MHz ADC Black level clamp with variable level control Complete on-chip timing generator Precision Timing core with 240 ps resolution @ 65 MHz On-chip, 3 V horizontal and RG drivers 5 mm × 5 mm, 32-lead LFCSP_VQ APPLICATIONS Professional HDTV camcorders Professional/high end digital cameras Broadcast cameras Industrial high speed cameras High speed data acquisition systems GENERAL DESCRIPTION The AD9970 is a highly integrated CCD signal processor for high speed digital video camera applications. Specified at pixel rates of up to 65 MHz, the AD9970 consists of a complete analog front end with analog-to-digital conversion combined with a programmable timing driver. The Precision Timing core allows adjustment of high speed clocks with 240 ps resolution at 65 MHz operation. The AD9970 also contains a reduced range LVDS interface for data outputs. The analog front end includes black level clamping, CDS, VGA, and a 65 MSPS, 14-bit ADC. The timing driver provides the high speed CCD clock drivers for RG, HL, and H1 to H4. Operation is programmed using a 3-wire serial interface. Packaged in a space-saving 5 mm × 5 mm, 32-lead LFCSP_VQ, the AD9970 is specified over an operating temperature range of −25°C to +85°C. For more information about the AD9970, contact Analog Devices via email at afe.ccd@analog.com. FUNCTIONAL BLOCK DIAGRAM AD9970 CDS VGA CLAMP 14-BIT ADC CLI VREF 6dB TO 42dB HORIZONTAL DRIVERS 4 RG H1 TO H4 REFT REFB PRECISION TIMING GENERATOR SYNC GENERATOR INTERNAL CLOCKS HD VD INTERNAL REGISTERS SL SCK SDATA CCDIN REDUCED RANGE LVDS OUTPUT DOUT0P DOUT1P HL DOUT0N DOUT1N TCLKP TCLKN –3, 0, +3, +6dB Figure 1. |
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