Datasheet > ADC082S021

ADC082S021

更新时间： 2024-11-03 22:47:35

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
19页	935K
描述
2 Channel, 200 KSPS, 8-Bit A/D Converter

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ADC082S021 数据手册

April 2005

ADC082S021

2 Channel, 200 KSPS, 8-Bit A/D Converter

General Description

Features

n Specified over a range of sample rates.

n Two input channels

The ADC082S021 is a low-power, two-channel CMOS 8-bit

analog-to-digital converter with a high-speed serial interface.

Unlike the conventional practice of specifying performance

at a single sample rate only, the ADC082S021 is fully speci-

fied over a sample rate range of 50 kSPS to 200 kSPS. The

converter is based on a successive-approximation register

architecture with an internal track-and-hold circuit. It can be

configured to accept one or two input signals at inputs IN1

and IN2.

n Variable power management

n Single power supply with 2.7V - 5.25V range

Key Specifications

n DNL

n INL

n SNR

0.04 LSB (typ)

49.6 dB (typ)

The output serial data is straight binary, and is compatible

n Power Consumption

— 3V Supply

— 5V Supply

™

with several standards, such as SPI , QSPI , MICROW-

IRE, and many common DSP serial interfaces.

1.6 mW (typ)

5.8 mW (typ)

The ADC082S021 operates with a single supply that can

range from +2.7V to +5.25V. Normal power consumption

using a +3V or +5V supply is 1.6 mW and 5.8 mW, respec-

tively. The power-down feature reduces the power consump-

tion to just 0.12 µW using a +3V supply, or 0.35 µW using a

+5V supply.

Applications

n Portable Systems

n Remote Data Aquisitions

n Instrumentation and Control Systems

The ADC082S021 is packaged in an 8-lead MSOP package.

Operation over the industrial temperature range of −40˚C to

+85˚C is guaranteed.

Pin-Compatible Alternatives by Resolution and Speed

All devices are fully pin and function compatible.

Resolution

Specified for Sample Rate Range of:

200 to 500 kSPS

50 to 200 kSPS

ADC122S021

ADC102S021

ADC082S021

500 kSPS to 1 MSPS

12-bit

10-bit

8-bit

ADC122S051

ADC122S101

ADC102S101

ADC082S101

ADC102S051

ADC082S051

Connection Diagram

20124805

Ordering Information

Order Code

Temperature Range

Description

8-Lead MSOP Package

8-Lead MSOP Package, Tape & Reel

Evaluation Board

Top Mark

ADC082S021CIMM

ADC082S021CIMMX

ADC082S021EVAL

−40˚C to +85˚C

X16C

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

™

QSPI and SPI are trademarks of Motorola, Inc.

DS201248

www.national.com

12 3 4 5 6 7...19

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与ADC082S021相关器件

型号	品牌	获取价格	描述	数据表
ADC082S021CIMM	NSC	获取价格	2 Channel, 200 KSPS, 8-Bit A/D Converter
ADC082S021CIMM/NOPB	TI	获取价格	2 通道、50 ksps 至 200 ksps、8 位模数转换器 \| DGK \| 8 \|
ADC082S021CIMMX	NSC	获取价格	2 Channel, 200 KSPS, 8-Bit A/D Converter
ADC082S021CIMMX/NOPB	TI	获取价格	2 通道、50 ksps 至 200 ksps、8 位模数转换器 \| DGK \| 8 \|
ADC082S021EVAL	NSC	获取价格	2 Channel, 200 KSPS, 8-Bit A/D Converter
ADC082S051	NSC	获取价格	2 Channel, 1 MSPS 12-Bit A/D Converter
ADC082S051	TI	获取价格	ADC102S021 2 Channel, 50 ksps to 200 ksps, 10-Bit A/D Converter
ADC082S051CIMM	TI	获取价格	IC 2-CH 8-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8, MSOP-8, Analog to Digita
ADC082S051CIMM/NOPB	TI	获取价格	2 通道、200 ksps 至 500 ksps、8 位模数转换器 \| DGK \| 8 \|
ADC082S051CIMMX	NSC	获取价格	IC 2-CH 8-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8, MSOP-8, Analog to Digita

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