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| TI ADS528x 8路ADC解决方案 | |||||
作者：TI 文章来源：TI 点击数： 更新时间：2008-2-15  |
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The ADS528x is a family of high-performance, low-power, octal channel analog-to-digital converters (ADCs). Available in either a 9mm × 9mm QFN package or an HTQFP-80 package, with serialized low-voltage differential signaling (LVDS) outputs and a wide variety of programmable features, the ADS528x is highly customizable for a diversity of applications and offers an unprecedented level of system integration. An application note, XAPP774 (available at www.xilinx.com) describes how to interface the serial LVDS outputs of TIs ADCs to Xilinx field-programmable gate arrays (FPGAs). The ADS528x family is specified over the industrial temperature range of -40°C to +85°C.  主要特性： Speed and Resolution Grades: ADS5281: 12-bit, 50MSPS ADS5282: 12-bit, 65MSPS Power Dissipation: 48mW/Channel at 30MSPS 55mW/Channel at 40MSPS 64mW/Channel at 50MSPS 77mW/Channel at 65MSPS 70dBFS SNR at 10MHz IF Analog Input Full-Scale Range: 2VPP Low-Frequency Noise Suppression Mode 6dB Overload Recovery In One Clock External and Internal (Trimmed) Reference 3.3V Analog Supply, 1.8V Digital Supply Single-Ended or Differential Clock: Clock Duty Cycle Correction Circuit (DCC) Programmable Digital Gain: 0dB to 12dB Serialized DDR LVDS Output Programmable LVDS Current Drive, Internal Termination Test Patterns for Enabling Output Capture Straight Offset Binary or Twos Complement Output Package Options: 9mm × 9mm QFN-64 HTQFP-80 PowerPAD Compatible with ADS527x Family 应用： Medical Imaging Wireless Base-Station Infrastructure Test and Measurement Instrumentation  图1。ADS528x 功能方框图  图2。ADS528x 模拟输入电路模型 |
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