GENERAL DESCRIPTION

The AD7716 is a signal processing block for data acquisition systems. It is capable of processing four channels with bandwidths of up to 584 Hz. Resolution is 22 bits and the usable dynamic range varies from 111 dB with an input bandwidth of 36.5 Hz to 99 dB with an input bandwidth of 584 Hz.

FEATURES

22-Bit Sigma-Delta ADC

Dynamic Range of 105 dB (146 Hz Input)

±0.003 Integral Nonlinearity

On-Chip Low-Pass Digital Filter

Cutoff Programmable from 584 Hz to 36.5 Hz

Linear Phase Response

Five Line Serial I/O

Twos Complement Coding

Easy Interface to DSPs and Microcomputers

Software Control of Filter Cutoff

±5 V Supply

Low Power Operation: 50 mW

APPLICATIONS

Biomedical Data Acquisition

ECG Machines

EEG Machines

Process Control

High Accuracy Instrumentation

Seismic Systems

AD7716BS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AD7716BS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。