GENERAL DESCRIPTION

The AD79401 is a 14-bit, fast, low power, successive approximation ADC. The part operates from a single 2.50 V to 5.5 V power supply and features throughput rates up to 100 kSPS. The part contains a low noise, wide bandwidth track-and-hold amplifier that can handle input frequencies in excess of 7 MHz.

FEATURES

Fast throughput rate: 100 kSPS

Specified for VDD of 2.5 V to 5.5 V

Low power

4 mW typ at 100 kSPS with 3 V supplies

17 mW typ at 100 kSPS with 5 V supplies

Wide input bandwidth:

81 dB SINAD at 10 kHz input frequency

Flexible power/serial clock speed management

No pipeline delays

High speed serial interface

SPI®/QSPI™/MICROWIRE™/DSP compatible

Standby mode: 0.5 µA max

6-Lead SOT-23 and 8-Lead MSOP packages

APPLICATIONS

Battery-powered systems

Personal digital assistants

Medical instruments

Mobile communications

Instrumentation and control systems

Remote data acquisition systems

AD7688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AD7688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。