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ADC08D502CIYB Scheda tecnica(PDF) 1 Page - Texas Instruments |
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ADC08D502CIYB Scheda tecnica(HTML) 1 Page - Texas Instruments |
1 / 43 page ADC08D502 www.ti.com SNOSC85 – AUGUST 2012 ADC08D502 High Performance, Low Power, Dual 8-Bit, 500 MSPS A/D Converter Check for Samples: ADC08D502 1 FEATURES • Duty Cycle Corrected Sample Clock 2 • Internal Sample-and-Hold APPLICATIONS • Single +1.9V ±0.1V Operation • Direct RF Down Conversion • Choice of SDR or DDR output clocking • Digital Oscilloscopes • Multiple ADC Synchronization Capability • Satellite Set-top boxes • Guaranteed No Missing Codes • Communications Systems • Serial Interface for Extended Control • Test Instrumentation • Fine Adjustment of Input Full-Scale Range and Offset DESCRIPTION The ADC08D502 is a dual, low power, high performance CMOS analog-to-digital converter that digitizes signals to 8 bits resolution at sampling rates up to 500 MSPS. Consuming a typical 1.4 Watts at 500 MSPS 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 interpolating architecture, the fully differential comparator design, the innovative design of the internal sample-and-hold amplifier and the self-calibration scheme enable a very flat response of all dynamic parameters beyond Nyquist, producing a high 7.5 ENOB with a 250 MHz input signal and a 500 MHz sample rate while providing a 10-18 B.E.R. Output formatting is offset binary and the LVDS digital outputs are compatible with IEEE 1596.3-1996, with the exception of an adjustable common mode voltage between 0.8V and 1.2V. Each converter has a 1:2 demultiplexer that feeds two LVDS buses and reduces the output data rate on each bus to half the sampling 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 Industrial (-40°C ≤ TA ≤ +85°C) temperature range. Table 1. Key Specifications VALUE UNIT Resolution 8 Bits Max Conversion Rate 500 MSPS (min) Bit Error Rate 10-18 (typ) ENOB @ 250 MHz Input 7.5 Bits (typ) DNL ±0.15 LSB (typ) Power Consumption Operating 1.4 W (typ) Power Down 3.5 mW (typ) Mode 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2012, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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