Datasheet > ADR425_15

ADR425_15

更新时间： 2024-11-13 01:10:35

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
24页	459K
描述
Ultraprecision, Low Noise Voltage References

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ADR425_15 数据手册

Ultraprecision, Low Noise, 2.048 V/2.500 V/

3.00 V/5.00 V XFET^®Voltage References

Data Sheet

ADR420/ADR421/ADR423/ADR425

FEATURES

PIN CONFIGURATION

Low noise (0.1 Hz to 10 Hz)

ADR420: 1.75 μV p-p

ADR421: 1.75 μV p-p

NIC

ADR420/

ADR421/

ADR423/

ADR425

NIC

OUT

TOP VIEW

(Not to Scale)

ADR423: 2.0 μV p-p

GND

TRIM

ADR425: 3.4 μV p-p

NIC = NO INTERNAL CONNECTION

TP = TEST PIN (DO NOT CONNECT)

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

ADR420: 4 V to 18 V

ADR421: 4.5 V to 18 V

ADR423: 5 V to 18 V

Figure 1. 8-Lead SOIC, 8-Lead MSOP

GENERAL DESCRIPTION

The ADR42x are a series of ultraprecision, second generation

eXtra implanted junction FET (XFET) voltage references

featuring low noise, high accuracy, and excellent long-term

stability in SOIC and MSOP footprints.

Patented temperature drift curvature correction technique and

XFET technology minimize nonlinearity of the voltage change

with temperature. The XFET architecture offers superior

accuracy and thermal hysteresis to the band gap references. It

also operates at lower power and lower supply headroom than

the buried Zener references.

ADR425: 7 V to 18 V

Quiescent current: 0.5 mA maximum

High output current: 10 mA

Wide temperature range: −40°C to +125°C

APPLICATIONS

Precision data acquisition systems

High resolution converters

Battery-powered instrumentation

Portable medical instruments

Industrial process control systems

Precision instruments

The superb noise and the stable and accurate characteristics

of the ADR42x make them ideal for precision conversion

applications such as optical networks and medical equipment.

The ADR42x trim terminal can also be used to adjust the out-

put voltage over a ±±.ꢀ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 −4±°C to +12ꢀ°C. Devices have

8-lead SOIC or 3±5 smaller, 8-lead MSOP packages.

Optical network control circuits

ADR42x PRODUCTS

Table 1.

Initial Accuracy

Model

Output Voltage, V_OUT(V)

1, 3

1.5, 4

2, 6

Temperature Coefficient (ppm/°C)

ADR420

ADR421

ADR423

ADR425

2.048

2.50

3.00

5.00

0.05, 0.15

0.04, 0.12

0.04, 0.13

0.04, 0.12

3, 10

Rev. J

Document Feedback

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rights of third parties that may result from its use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks and registeredtrademarks arethe property of their respective owners.

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

Technical Support

www.analog.com

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与ADR425_15相关器件

型号	品牌	获取价格	描述	数据表
ADR425AR	ADI	获取价格	Ultraprecision Low Noise, 2.048 V/2.500 V/ 3.00 V/5.00 V XFET Voltage References
ADR425ARM	ADI	获取价格	IC 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 5 V, PDSO8, MO-187AA, MSOP-8, Voltage Reference
ADR425ARM-REEL7	ADI	获取价格	Ultraprecision Low Noise, 2.048 V/2.500 V/ 3.00 V/5.00 V XFET Voltage References
ADR425ARMZ	ADI	获取价格	Ultraprecision, Low Noise, 2.048 V/2.500 V/ 3
ADR425ARMZ-REEL7	ADI	获取价格	Ultraprecision, Low Noise, 2.048 V/2.500 V/ 3
ADR425AR-REEL7	ADI	获取价格	Ultraprecision Low Noise, 2.048 V/2.500 V/ 3.00 V/5.00 V XFET Voltage References
ADR425ARZ	ADI	获取价格	Ultraprecision, Low Noise, 2.048 V/2.500 V/ 3
ADR425ARZ-REEL7	ADI	获取价格	Ultraprecision, Low Noise, 2.048 V/2.500 V/ 3
ADR425BR	ADI	获取价格	Ultraprecision Low Noise, 2.048 V/2.500 V/ 3.00 V/5.00 V XFET Voltage References
ADR425BR-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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