ADS821集成电路（IC）的模数转换器（ADC）规格书PDF中文资料

ADS821属于集成电路（IC）的模数转换器（ADC）。由德州仪器制造生产的ADS821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。

FEATURES

NO MISSING CODES

INTERNAL REFERENCE

LOW POWER: 380mW

HIGH SNR: 58dB

INTERNAL TRACK-AND-HOLD

APPLICATIONS

VIDEO DIGITIZING

ULTRASOUND IMAGING

GAMMA CAMERAS

SET-TOP BOXES

CABLE MODEMS

CCD IMAGING

Color Copiers

Scanners

Camcorders

Security Cameras

Fax Machines

IF AND BASEBAND DIGITIZATION

TEST INSTRUMENTATION

DESCRIPTION

The ADS821 is a low-power, monolithic 10-bit, 40MHz Analog-

to-Digital (A/D) converter utilizing a small geometry CMOS

process. This complete converter includes a 10-bit quantizer

with internal track-and-hold, reference, and a power-down

feature. It operates from a single +5V power supply and can

be configured to accept either differential or single-ended

input signals.

The ADS821 employs digital error correction to provide

excellent Nyquist differential linearity performance for demanding

imaging applications. Its low distortion, high SNR,

and high oversampling capability give it the extra margin

needed for telecommunications and video applications.

This high-performance converter is specified for AC and DCperformance

at a 40MHz sampling rate. The ADS821 is

available in an SO-28 package.