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12位80MSPS的3伏A/D转换器AD9236数据表
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The AD9236 is a monolithic， single 3 V supply， 12-bit， 80 MSPS analog-to-digital converter featuring a high performance sampleand-hold amplifier （SHA） and voltage reference. The AD9236 uses a multistage differential pipelined architecture with output error correction logic to provide 12-bit accuracy at 80 MSPS and guarantee no missing codes over the full operating temperature range. The wide bandwidth， truly differential SHA allows a variety of user-selectable input ranges and common modes， including single-ended applications. It is suitable for multiplexed systems that switch full-scale voltage levels in successive channels and for sampling single-channel inputs at frequencies well beyond the Nyquist rate. Combined with power and cost savings over previously available analog-to-digital converters， the AD9236 is suitable for applications in communications， imaging， and medical ultrasound. A single-ended clock input is used to control all internal conversion cycles. A duty cycle stabilizer （DCS） compensates for wide variations in the clock duty cycle while maintaining excellent overall ADC performance. The digital output data is presented in straight binary or twos complement formats. An out-of-range （OTR） signal indicates an overflow condition that can be used with the most significant bit to determine low or high overflow. Fabricated on an advanced CMOS process， the AD9236 is available in a 28-lead TSSOP and a 32-lead LFCSP and is specified over the industrial temperature range （−40°C to +85°C）.
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