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ADC12081

更新时间： 2024-11-18 22:34:23

品牌	Logo	应用领域
美国国家半导体 - NSC		转换器
页数	文件大小	规格书
16页	355K
描述
12-Bit, 5 MHz Self-Calibrating, Pipelined A/D Converter

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ADC12081 数据手册

March 2000

ADC12081

12-Bit, 5 MHz Self-Calibrating, Pipelined A/D Converter

with Internal Sample & Hold

General Description

Features

n Single 5V power supply

n Simple analog input interface

n Internal Sample-and-hold

n Internal Reference buffer amplifier

n Low power consumption

The ADC12081 is a monolithic CMOS analog-to-digital con-

verter capable of converting analog input signals into 12-bit

digital words at 5 megasamples per second (MSPS). The

ADC12081 utilizes an innovative pipeline architecture to

minimize die size and power consumption. The ADC12081

uses self-calibration and error correction to maintain accu-

racy and performance over temperature.

Key Specifications

The ADC12081 converter operates on a 5V power supply

and can digitize analog input signals in the range of 0 to 2V.

A single convert clock controls the conversion operation. All

digital I/O is TTL compatible.

n Resolution

12 Bits

5 Msps (min)

0.35 LSB (typ)

68 dB (typ)

n Conversion Rate

n DNL

The ADC12081 is designed to minimize external compo-

nents necessary for the analog input interface. An internal

sample-and-hold circuit samples the analog input and an in-

ternal amplifier buffers the reference voltage input.

n SNR

n ENOB

10.9 Bits (typ)

2 Vpp (min)

n Analog Input Range

n Supply Voltage

n Power Consumption, 5 MHz

The ADC12081 is available in the 32-lead TQFP package

and is designed to operate over the extended commercial

temperature range of -40˚C to +85˚C.

+5V 5%

105 mW (typ)

Applications

n Image processing front end

n PC-based data acquisition

n Scanners

n Fax machines

n Waveform digitizer

Connection Diagram

DS100150-1

TRI-STATE^®is a registered trademark of National Semiconductor Corporation. CN

DS100150

www.national.com

12 3 4 5 6 7...16

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