ADC084S021

更新时间： 2024-11-14 22:23:59

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	905K
描述
4 Channel, 200 kSPS, 12-Bit A/D Converter

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ADC084S021 数据手册

April 2005

ADC124S021

4 Channel, 200 kSPS, 12-Bit A/D Converter

General Description

Features

n Specified over a range of sample rates.

n Four input channels

The ADC124S021 is a low-power, four-channel CMOS 12-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 ADC124S021 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 up to four input signals at inputs IN1

through IN4.

n Variable power management

n Single power supply with 2.7V - 5.25V range

Key Specifications

n DNL

n INL

+0.4 / −0.2 LSB (typ)

0.35 LSB (typ)

n SNR

72.0 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.

2.2 mW (typ)

7.9 mW (typ)

The ADC124S021 operates with a single supply that can

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

using a +3V or +5V supply is 2.2 mW and 7.9 mW, respec-

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

tion to just 0.14 µW using a +3V supply, or 0.32 µW using a

+5V supply.

Applications

n Portable Systems

n Remote Data Aquisitions

n Instrumentation and Control Systems

The ADC124S021 is packaged in a 10-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

ADC124S021

ADC104S021

ADC084S021

500 kSPS to 1 MSPS

ADC124S101

12-bit

10-bit

8-bit

ADC124S051

ADC104S051

ADC104S101

ADC084S051

ADC084S101

Connection Diagram

20124305

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

™

QSPI and SPI are trademarks of Motorola, Inc.

DS201243

www.national.com

12 3 4 5 6 7...19

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与ADC084S021相关器件

型号	品牌	获取价格	描述	数据表
ADC084S021_14	TI	获取价格	ADC084S021 4-Channel, 50 ksps to 200 Ksps, 8-Bit A/D Converter
ADC084S021CIMM	TI	获取价格	ADC084S021 4-Channel, 50 ksps to 200 Ksps, 8-Bit A/D Converter
ADC084S021CIMM/NOPB	TI	获取价格	ADC084S021 4-Channel, 50 ksps to 200 Ksps, 8-Bit A/D Converter
ADC084S021CIMMX	TI	获取价格	ADC084S021 4-Channel, 50 ksps to 200 Ksps, 8-Bit A/D Converter
ADC084S021CIMMX/NOPB	TI	获取价格	ADC084S021 4-Channel, 50 ksps to 200 Ksps, 8-Bit A/D Converter
ADC084S051	NSC	获取价格	4 Channel, 1 MSPS, 10-Bit A/D Converter
ADC084S051	TI	获取价格	ADC084S021 4-Channel, 50 ksps to 200 Ksps, 8-Bit A/D Converter
ADC084S051_14	TI	获取价格	ADC084S051 4 Channel, 200 ksps to 500 ksps, 8-Bit A/D Converter
ADC084S051CIMM	TI	获取价格	ADC084S051 4 Channel, 200 ksps to 500 ksps, 8-Bit A/D Converter
ADC084S051CIMM/NOPB	TI	获取价格	ADC084S051 4 Channel, 200 ksps to 500 ksps, 8-Bit A/D Converter

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