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| www..com 14-Bit CCD Signal Processor with Precision TimingTM AD9970 FEATURES 1.8 V analog and digital core supply voltage Serial data link with reduced swing 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 @ 65MHz On-chip, 3 V horizontal and RG drivers 5 mm x 5 mm, 32-lead LFCSP package 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 swing LVDS interface for the 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 x 5 mm, 32-lead LFCSP, the AD9970 is specified over an operating temperature range of -25C to +85C. APPLICATIONS Professional HDTV camcorders Professional/high end digital cameras Broadcast cameras Industrial high speed cameras High speed data acquisition systems DataShee .com FUNCTIONAL BLOCK DIAGRAM REFT REFB AD9970 VREF -3, 0, +3, +6dB CCDIN CDS 6dB TO 42dB VGA 14-BIT ADC TCLKP TCLKN REDUCED RANGE LVDS OUTPUT DOUT0P DOUT0N DOUT1P DOUT1N CLAMP INTERNAL CLOCKS RG HL 4 H1 TO H4 HORIZONTAL DRIVERS PRECISION TIMING GENERATOR INTERNAL REGISTERS SYNC GENERATOR SL SCK SDATA HD VD CLI Figure 1. For more information about the AD9970, contact Analog Devices via email at afe.ccd@analog.com. Rev. Sp0 Information furnished by Analog Devices is believed to be accurate and reliable. However, no rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective owners. .com is assumed by Analog Devices for its use, nor for any infringements of patents or other responsibility 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 (c) 2005 Analog Devices, Inc. All rights reserved. .com DataSheet 4 U .com 05770-001 www..com AD9970 NOTES t4U.com .com (c) 2005 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. .com D05770F-0-10/05(Sp0) Rev. Sp0 | Page 2 of 2 .com DataSheet 4 U .com |
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