GENERAL DESCRIPTION

The AD670 is a complete 8-bit signal conditioning analogto-digital converter. It consists of an instrumentation amplifier front end along with a DAC, comparator, successive approximation register (SAR), precision voltage reference, and a threestate output buffer on a single monolithic chip. No external components or user trims are required to interface, with full accuracy, an analog system to an 8-bit data bus.

FEATURES

Complete 8-Bit Signal Conditioning A/D Converter

Including Instrumentation Amp and Reference

Microprocessor Bus Interface

10 ms Conversion Speed

Flexible Input Stage: Instrumentation Amp Front End

Provides Differential Inputs and High Common-Mode

Rejection

No User Trims Required

No Missing Codes Over Temperature

Single +5 V Supply Operation

Convenient Input Ranges

20-Pin DIP or Surface-Mount Package

Low Cost Monolithic Construction

MIL-STD-883B Compliant Versions Available

AD670KN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AD670KN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。