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AD9060TZ Arkusz danych(PDF) 1 Page - Analog Devices |
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AD9060TZ Arkusz danych(HTML) 1 Page - Analog Devices |
1 / 12 page REV. A 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 which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. a 10-Bit 75 MSPS A/D Converter AD9060 FUNCTIONAL BLOCK DIAGRAM 2 56 1 512 C O M P A R A T O R L A T C H E S OVERFLOW OVERFLOW 1024 10 7 59 61 128 129 256 257 384 385 51 50 49 48 47 46 23 22 21 20 19 OVERFLOW R R/2 R R/2 R R/2 R R/2 R R/2 R R/2 R R 11 L A T C H 63 12 57 14 ENCODE ANALOG IN GROUND OVERFLOW LSBS INVERT MSB INVERT R/2 R/2 1 D E C O D E L O G I C 13 ENCODE +V REF +V SENSE –V REF –V SENSE 3/4 REF 1/2 REF 1/4 REF –V S +V S D 9 (MSB) D 8 D 7 D 6 D 5 D 4 D 3 D 2 D 1 D 0 (LSB) 8 9 FEATURES Monolithic 10-Bit/75 MSPS Converter ECL Outputs Bipolar ( 1.75 V) Analog Input 57 dB SNR @ 2.3 MHz Input Low (45 pF) Input Capacitance MIL-STD-883 Compliant Versions Available APPLICATIONS Digital Oscilloscopes Medical Imaging Professional Video Radar Warning/Guidance Systems Infrared Systems GENERAL DESCRIPTION The AD9060 A/D converter is a 10-bit monolithic converter ca- pable of word rates of 75 MSPS and above. Innovative architec- ture using 512 input comparators instead of the traditional 1024 required by other flash converters reduces input capacitance and improves linearity. Inputs and outputs are ECL-compatible, which makes the AD9060 the recommended choice for systems with conversion rates >30 MSPS to minimize system noise. An overflow bit is provided to indicate analog input signals greater than +VSENSE. Voltage sense lines are provided to ensure accurate driving of the ±V REF voltages applied to the units. Quarter-point taps on the resistor ladder help optimize the integral linearity of the unit. Either 68-pin ceramic leaded (gull wing) packages or ceramic LCCs are available and specifically designed for low thermal im- pedances. Two performance grades for temperatures of both 0 °C to +70°C and –55°C to +125°C ranges are offered to allow the user to select the linearity best suited for each application. Dynamic performance is fully characterized and production tested at +25 °C. MIL-STD-883 units are available. The AD9060 A/D converter is available in versions compliant with MIL-STD-883. Refer to the Analog Devices Military Prod- ucts Databook or current AD9060/883B data sheet for detailed specifications. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 617/329-4700 World Wide Web Site: http://www.analog.com Fax: 617/326-8703 © Analog Devices, Inc., 1997 |
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