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ADR5041BKSZ-R2

更新时间: 2024-11-01 12:27:59
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Precision Micropower Shunt Mode Voltage References

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Precision Micropower Shunt Mode  
Voltage References  
ADR5040/ADR5041/ADR5043/ADR5044/ADR5045  
Data Sheet  
FEATURES  
PIN CONFIGURATION  
ADR5040/ADR5041/  
ADR5043/ADR5044/  
Ultracompact SC70 and SOT-23 packages  
Low temperature coefficient: 75 ppm/°C (maximum)  
Pin compatible with LM4040/LM4050  
Initial accuracy: 0.1%  
ADR5045  
V+  
1
2
No external capacitor required  
3
NC  
Wide operating current range: 50 µA to 15 mA  
Extended temperature range: −40°C to +125°C  
Qualified for automotive applications  
V–  
NOTES  
1. NC = NO CONNECT.  
2. PIN 3 MUST BE LEFT FLOATING OR  
CONNECTED TO GROUND.  
APPLICATIONS  
Figure 1. 3-Lead SC70 (KS) and 3-Lead SOT-23 (RT)  
Portable, battery-powered equipment  
Automotives  
Power supplies  
Data acquisition systems  
Instrumentation and process control  
Energy management  
GENERAL DESCRIPTION  
Designed for space-critical applications, the ADR5040/  
ADR5041/ADR5043/ADR5044/ADR5045 are high precision  
shunt voltage references, housed in ultrasmall SC70 and SOT-23  
packages. These voltage references are multipurpose, easy-to-use  
references that can be used in a vast array of applications. They  
feature low temperature drift, an initial accuracy of better than  
0.1%, and fast settling time.  
Table 1. Selection Table  
Temperature  
Coefficient  
(ppm/°C)  
Initial  
Part  
Voltage (V) Accuracy (%)  
ADR5040A 2.048  
ADR5040B 2.048  
ADR5041A 2.5  
ADR5041B 2.5  
ADR5043A 3.0  
ADR5043B 3.0  
ADR5044A 4.096  
ADR5044B 4.096  
ADR5045A 5.0  
ADR5045B 5.0  
0.2  
0.1  
0.2  
0.1  
0.2  
0.1  
0.2  
0.1  
0.2  
0.1  
100  
75  
100  
75  
100  
75  
100  
75  
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 ADR5040/ADR5041/ADR5043/  
ADR5044/ADR5045 eliminates the need for compensation by an  
external capacitor, yet the references are stable with any capacitive  
load. The minimum operating current increases from 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. This family of references has been characterized  
over the extended temperature range of −40°C to +125°C. The  
ADR5041W and the ADR5044W are qualified for automotive  
applications and are available in a 3-lead SOT-23 package.  
100  
75  
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, 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 registered trademarks are the 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  
Fax: 781.461.3113 ©2007–2012 Analog Devices, Inc. All rights reserved.  
 
 
 
 

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精密、微功耗、分流模式基准电压源(3.0 Vout)