Datasheet > ADR520B

ADR520B

更新时间： 2024-11-27 12:33:19

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亚德诺 - ADI		/
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High Precision Shunt Mode Voltage References

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ADR520B 数据手册

High Precision Shunt Mode

Voltage References

ADR520/ADR525/ADR530/ADR540/ADR550

FEATURES

PIN CONFIGURATION

Ultracompact SC70 and SOT-23-3 packages

Temperature coefficient: 40 ppm/°C (maximum)

2× the temperature coefficient improvement over the

LM4040

Pin compatible with the LM4040/LM4050

Initial accuracy: 0.2ꢀ

ADR520/

ADR525/

ADR530/

V+

TRIM

ADR540/

ADR550

V–

Figure 1. 3-Lead SC70 (KS) and 3-Lead SOT-23-3 (RT)

Low output voltage noise: 14 μV p-p @ 2.5 V output

No external capacitor required

Operating current range: 50 μA to 15 mA

Industrial temperature range: −40°C to +85°C

GENERAL DESCRIPTION

Designed for space-critical applications, the ADR520/ADR525/

ADR530/ADR540/ADR550 are high precision shunt voltage

references, housed in ultrasmall SC70 and SOT-23-3 packages.

These references feature low temperature drift of 40 ppm/°C,

an initial accuracy of better than 0.2ꢀ, and ultralow output

noise of 14 μV p-p.

APPLICATIONS

Portable, battery-powered equipment

Automotive

Power supplies

Available in output voltages of 2.048 V, 2.5 V, 3.0 V, 4.096 V,

and 5.0 V, the advanced design of the ADR520/ADR525/

ADR530/ADR540/ADR550 eliminates the need for compensa-

tion by an external capacitor, yet the references are stable with

any capacitive load. The minimum operating current increases

from a mere 50 μA to a maximum of 15 mA. This low operating

current and ease of use make these references ideally suited for

handheld, battery-powered applications.

Data acquisition systems

Instrumentation and process control

Energy measurement

Table 1. Selection Guide

Temperature

Coefficient

(ppm/°C)

Initial

Accuracy (ꢀ)

Part

Voltage (V)

2.048

2.5

3.0

ADR520A

ADR520B

ADR525A

ADR525B

ADR530A

ADR530B

ADR540A

ADR540B

ADR550A

ADR550B

0.4

0.2

0.4

0.2

0.4

0.2

0.4

0.2

0.4

0.2

A trim terminal is available on the ADR520/ADR525/ADR530/

ADR540/ADR550 to allow adjustment of the output voltage

over a 0.5ꢀ range, without affecting the temperature coefficient

of the device. This feature provides users with the flexibility to

trim out any system errors.

3.0

4.096

5.0

Rev. E

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.

Tel: 781.329.4700

www.analog.com

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与ADR520B相关器件

型号	品牌	获取价格	描述	数据表
ADR520BKS-R2	ADI	获取价格	High Precision Shunt Mode Voltage References
ADR520BKS-REEL7	ADI	获取价格	High Precision Shunt Mode Voltage References
ADR520BKSZ-REEL7	ADI	获取价格	High Precision Shunt Mode Voltage References
ADR520BRT-R2	ADI	获取价格	High Precision Shunt Mode Voltage References
ADR520BRT-REEL7	ADI	获取价格	High Precision Shunt Mode Voltage References
ADR520BRTZ-REEL7	ADI	获取价格	High Precision Shunt Mode Voltage References
ADR525	ADI	获取价格	High Precision Shunt Mode Voltage References
ADR525_15	ADI	获取价格	High Precision Shunt Mode Voltage References
ADR525A	ADI	获取价格	High Precision Shunt Mode Voltage References
ADR525AKS-REEL7	ADI	获取价格	IC 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.5 V, PDSO3, SC-70, 3 PIN, Voltage Reference

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