GENERAL DESCRIPTION

The AD7776/AD7777/AD7778 are a family of high speed, multichannel, 10-bit ADCs primarily intended for use in R/W head positioning servos found in high density hard disk drives. They have unique input signal conditioning features that make them ideal for use in such single supply applications.

FEATURES

AD7776: 1-Channel

AD7777: 4-Channel

AD7778: 8-Channel

Fast 10-Bit ADC: 2.5 μs Worst Case

+5 V Only

Half-Scale Conversion Option

Fast Interface Port

Power-Down Mode

APPLICATIONS

HDD Servos

Instrumentation

AD7778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AD7778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。