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ADC081500EVAL Datasheet(PDF) 1 Page - National Semiconductor (TI) |
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ADC081500EVAL Datasheet(HTML) 1 Page - National Semiconductor (TI) |
1 / 32 page ADC081500 High Performance, Low Power, 8-Bit, 1.5 GSPS A/D Converter General Description The ADC081500 is a low power, high performance CMOS analog-to-digital converter that digitizes signals to 8 bits resolution at sample rates up to 1.7 GSPS. Consuming a typical 1.2 W at 1.5 GSPS from a single 1.9 Volt supply, this device is guaranteed to have no missing codes over the full operating temperature range. The unique folding and inter- polating architecture, the fully differential comparator design, the innovative design of the internal sample-and-hold ampli- fier and the self-calibration scheme enable a very flat re- sponse of all dynamic parameters beyond Nyquist, produc- ing a high 7.3 ENOB with a 748 MHz input signal and a 1.5 GHz sample rate while providing a 10 -18 B.E.R. Output formatting is offset binary and the LVDS digital outputs are compliant with IEEE 1596.3-1996, with the exception of an adjustable output offset voltage between 0.8V and 1.2V. The converter output has a 1:2 demultiplexer that feeds two LVDS buses and reduces the output data rate on each bus to one-half the sample rate. The converter typically consumes less than 3.5 mW in the Power Down Mode and is available in a 128-lead, thermally enhanced exposed pad LQFP and operates over the Indus- trial (-40˚C ≤ T A ≤ +85˚C) temperature range. Features n Internal Sample-and-Hold n Single +1.9V ±0.1V Operation n Choice of SDR or DDR output clocking n Multiple ADC Synchronization Capability n Guaranteed No Missing Codes n Serial Interface for Extended Control n Fine Adjustment of Input Full-Scale Range and Offset n Duty Cycle Corrected Sample Clock Key Specifications n Resolution 8 Bits n Max Conversion Rate 1.5 GSPS (min) n Bit Error Rate 10 -18 (typ) n ENOB @ 748 MHz Input 7.3 Bits (typ) n DNL ±0.15 LSB (typ) n Power Consumption — Operating 1.2 W (typ) — Power Down Mode 3.5 mW (typ) Applications n Direct RF Down Conversion n Digital Oscilloscopes n Satellite Set-top boxes n Communications Systems n Test Instrumentation Block Diagram 20153153 March 2006 © 2006 National Semiconductor Corporation DS201531 www.national.com |
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