GENERAL DESCRIPTION

The AD7863 is a high speed, low power, dual 14-bit analog-to-digital converter that operates from a single 5 V supply.

FEATURES

Two fast 14-bit ADCs

Four input channels

Simultaneous sampling and conversion

5.2 μs conversion time

Single supply operation

Selection of input ranges

±10 V for AD7863-10

±2.5 V for AD7863-3

0 V to 2.5 V for AD7863-2

High speed parallel interface

Low power, 70 mW typical

Power saving mode, 105 μW maximum

Overvoltage protection on analog inputs

14-bit lead compatible upgrade to AD7862

AD7863AR-3属于集成电路（IC） > 模数转换器（ADC）。亚德诺半导体技术有限公司制造生产的AD7863AR-3模数转换器（ADC）模数转换器（ADC、A/D 或 A 转 D）对模拟信号进行采样，例如由麦克风采集的声音或传感器的输出，然后将其转换为数字信号。一般来说，数字输出是二进制补码二进制数，与输入成比例。输入类型可能是差分、伪差分或单端输入。模数转换器可按照位数、采样率、输入数、接口、转换器数和架构（例如自适应增量、双斜率、折叠、流水线、SAR、三角积分、两步式）进行选择。