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14位333 kSPS 串行A/D转换器AD7851数据表
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The AD7851 is a high speed， 14-bit ADC that operates from a single 5 V power supply. The ADC powers up with a set of default conditions at which time it can be operated as a read-only ADC. The ADC contains self-calibration and system calibration options to ensure accurate operation over time and temperature and has a number of power-down options for low power applications. The AD7851 is capable of a 333 kHz throughput rate. The input track-and-hold acquires a signal in 0.33 µs and features a pseudo-differential sampling scheme. The AD7851 has the added advantage of two input voltage ranges （0 V to VREF and –VREF/2 to +VREF/2 centered about VREF/2）。 Input signal range is to VDD and the part is capable of converting full power signals to 20 MHz. CMOS construction ensures low power dissipation （60 mW typ） with power-down mode （5 µW typ）。 The part is available in a 24-lead， 0.3 inch-wide PDIP， a 24-lead SOIC， and a 24-lead SSOP package.
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