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AD7856典型设计图一
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AD产品 - AD7856介绍
AD7856 - 5 V Single-Supply, 8-Channel, 14-Bit, 285 kSPS, Serial Sampling ADC

AD7856是AD公司的一款模数转换器 (ADC)产品,AD7856是5 V Single-Supply, 8-Channel, 14-Bit, 285 kSPS, Serial Sampling ADC,本站介绍了AD7856的封装应用图解、特点和优点、功能等,并给出了与AD7856相关的AD元器件型号供参考。

AD7856 - 5 V Single-Supply, 8-Channel, 14-Bit, 285 kSPS, Serial Sampling ADC - 模数转换器 (ADC) - 模数转换器 (ADC) - Analog Devices, LLC

产品描述

The AD7856 is a high speed, low power, 14-bit Analog-to-Digital Converter (ADC) that operates from a single 5 V power supply. The ADC powers up with a set of default conditions at which time it canbe operated as a read only ADC. The ADC contains self-calibration and system calibration options to ensure accurate operation over time and temperature; and it has a number of power-down options for low power applications.


The AD7856 is capable of 285 kHz throughput rate. The input track-and-hold acquires a signal in 500 ns and features a pseudo-differential sampling scheme. The AD7856 voltage range is 0 to VREF with both straight binary and 2s complement output coding. Input signal range is to the supply and the part is capable of converting full power signals to 20 MHz.


CMOS construction ensures low power dissipation of typically 5.4 mW for normal operation and 3.6 µW in power-down mode. The part is available in 24-pin, 0.3 inch-wide dual-in-line package (DIP), 24-lead small outline (SOIC) and 24-lead small shrink outline (SSOP) packages.



优势和特点
  • Single 5 V Supply
  • 285 kSPS Throughput Rate
  • Self- and System Calibration with Autocalibration on Power-Up
  • Eight Single-Ended or Four Pseudo-Differential Inputs
  • Low Power: 60 mW Typ
  • Automatic Power-Down After Conversion (2.5 µW Typ)
  • Flexible Serial Interface: 8051/SPI®/QSPI™/µP Compatible
  • 24-Lead DIP, SOIC and SSOP Packages
  • AD7856典型设计图一
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