Datasheet > ADR420BR-REEL7

ADR420BR-REEL7

更新时间： 2024-11-13 22:07:07

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
16页	220K
描述
Ultraprecision Low Noise, 2.048 V/2.500 V/ 3.00 V/5.00 V XFET Voltage References

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ADR420BR-REEL7 数据手册

Ultraprecision Low Noise, 2.048 V/2.500 V/

3.00 V/5.00 V XFET Voltage References

ADR420/ADR421/ADR423/ADR425

FEATURES

PIN CONFIGURATION

Low Noise (0.1 Hz to 10 Hz)

ADR420: 1.75 ꢀV p-p

ADR421: 1.75 ꢀV p-p

ADR423: 2.0 ꢀV p-p

ADR425: 3.4 ꢀV p-p

Surface-Mount Packages

8-Lead SOIC

8-Lead Mini_SOIC

Low Temperature Coefficient: 3 ppm/ꢁC

Long-Term Stability: 50 ppm/1000 Hours

Load Regulation: 70 ppm/mA

Line Regulation: 35 ppm/V

Low Hysteresis: 40 ppm Typical

Wide Operating Range

NIC

ADR42x

NIC

OUT

TOP VIEW

(Not to Scale)

TRIM

GND

NIC = NO INTERNAL CONNECTION

TP = TEST PIN (DO NOT CONNECT)

ADR420: 4 V to 18 V

ADR421: 4.5 V to 18 V

ADR423: 5 V to 18 V

ADR425: 7 V to 18 V

Quiescent Current: 0.5 mA Maximum

High Output Current: 10 mA

Wide Temperature Range: –40ꢁC to +125ꢁC

APPLICATIONS

Precision Data Acquisition Systems

High-Resolution Converters

Battery-Powered Instrumentation

Portable Medical Instruments

Industrial Process Control Systems

Precision Instruments

Optical Network Control Circuits

Table I. ADR42x Products

GENERAL DESCRIPTION

The ADR42x series are ultraprecision second-generation XFET

voltage references featuring low noise, high accuracy, and excellent

long-term stability in a SOIC and Mini_SOIC footprints. Patented

temperature drift curvature correction technique and XFET (eXtra

implanted junction FET) technology minimize nonlinearity of the

voltage change with temperature. The XFET architecture offers

superior accuracy and thermal hysteresis to the bandgap

references. It also operates at lower power and lower supply

headroom than the Buried Zener references.

Output

Voltage

Products V_O

Initial

Accuracy

ADR420

Tempco

ppm/

°C

ADR420

ADR421

ADR423

ADR425

2.048

1, 3

1.5, 4

2, 6

0.05, 0.15 3, 10

0.04, 0.12 3, 10

2.50

3.00

5.00

The superb noise, stable, and accurate characteristics of ADR42x

make them ideal for precision conversion applications such as

optical network and medical equipment. The ADR42x trim

terminal can also be used to adjust the output voltage over a

0.5% range without compromising any other performance. The

ADR42x series voltage references offer two electrical grades and

are specified over the extended industrial temperature range

of –40°C to +125°C. Devices are available in 8-lead SOIC-8 or

30% smaller 8-lead Mini_SOIC-8 packages.

XFET is a registered trademark of Analog Devices, Inc.

REV. B

Information furnished by Analog Devices is believed to be accurate and

reliable. However, no responsibility is assumed by Analog Devices for its

use, norforanyinfringementsofpatentsorotherrightsofthirdpartiesthat

may result from its use. No license is granted by implication or otherwise

under any patent or patent rights of Analog Devices.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781/329-4700

Fax: 781/326-8703

www.analog.com

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ADR420BR-REEL7 替代型号

型号	品牌	替代类型	描述	数据表
ADR420BR	ADI	完全替代	Ultraprecision Low Noise, 2.048 V/2.500 V/ 3.00 V/5.00 V XFET Voltage References

与ADR420BR-REEL7相关器件

型号	品牌	获取价格	描述	数据表
ADR420BRZ	ADI	获取价格	Ultraprecision, Low Noise, 2.048 V/2.500 V/ 3
ADR420BRZ-REEL7	ADI	获取价格	Ultraprecision, Low Noise, 2.048 V/2.500 V/ 3
ADR421	ADI	获取价格	Ultraprecision Low Noise, 2.048 V/2.500 V/ 3.00 V/5.00 V XFET Voltage References
ADR421_15	ADI	获取价格	Ultraprecision, Low Noise Voltage References
ADR421AR	ADI	获取价格	Ultraprecision Low Noise, 2.048 V/2.500 V/ 3.00 V/5.00 V XFET Voltage References
ADR421ARM	ADI	获取价格	暂无描述
ADR421ARM-REEL7	ADI	获取价格	Ultraprecision Low Noise, 2.048 V/2.500 V/ 3.00 V/5.00 V XFET Voltage References
ADR421ARMZ	ADI	获取价格	Ultraprecision, Low Noise, 2.048 V/2.500 V/ 3
ADR421ARMZ-REEL7	ADI	获取价格	Ultraprecision, Low Noise, 2.048 V/2.500 V/ 3
ADR421AR-REEL7	ADI	获取价格	Ultraprecision Low Noise, 2.048 V/2.500 V/ 3.00 V/5.00 V XFET Voltage References

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