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AD9020KZ bảng dữ liệu(PDF) 1 Page - Analog Devices |
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AD9020KZ bảng dữ liệu(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 60 MSPS A/D Converter AD9020 FUNCTIONAL BLOCK DIAGRAM –V S +V S 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 D 9 D 8 (MSB) (LSB) LSBS INVERT MSB INVERT R/2 R/2 1 3/4 REF 8 9 +V REF +V SENSE D E C O D E L O G I C 1/2 REF 1/4 REF –V REF –V SENSE D 7 D 6 D 5 D 4 D 3 D 2 D 1 D 0 FEATURES Monolithic 10-Bit/60 MSPS Converter TTL Outputs Bipolar ( 1.75 V) Analog Input 56 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 AD9020 A/D converter is a 10-bit monolithic converter capable of word rates of 60 MSPS and above. Innovative archi- tecture using 512 input comparators instead of the traditional 1024 required by other flash converters reduces input capaci- tance and improves linearity. Encode and outputs are TTL-compatible, making the AD9020 an ideal candidate for use in low power systems. An overflow bit is provided to indicate analog input signals greater than +VSENSE. Voltage sense lines are provided to insure 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 are specifically designed for low thermal impedances. 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 AD9020 A/D Converter is available in versions compliant with MIL-STD-883. Refer to the Analog Devices Military Prod- ucts Databook or current AD9020/883B 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 |
Số phần tương tự - AD9020KZ |
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Mô tả tương tự - AD9020KZ |
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