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PDF ( 数据手册 , 数据表 ) ADR5045

零件编号 ADR5045
描述 Precision Micropower Shunt Mode Voltage References
制造商 Analog Devices
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ADR5045 数据手册, 描述, 功能
Data Sheet
Precision Micropower Shunt Mode
Voltage References
ADR5040/ADR5041/ADR5043/ADR5044/ADR5045
FEATURES
Ultracompact SC70 and SOT-23 packages
Low temperature coefficient: 75 ppm/°C (maximum)
Pin compatible with LM4040/LM4050
Initial accuracy: ±0.1%
No external capacitor required
Wide operating current range: 50 µA to 15 mA
Extended temperature range: −40°C to +125°C
Qualified for automotive applications
APPLICATIONS
Portable, battery-powered equipment
Automotives
Power supplies
Data acquisition systems
Instrumentation and process control
Energy management
PIN CONFIGURATION
ADR5040/ADR5041/
ADR5043/ADR5044/
ADR5045
V+ 1
V– 2
3 NC
NOTES
1. NC = NO CONNECT.
2. PIN 3 MUST BE LEFT FLOATING OR
CONNECTED TO GROUND.
Figure 1. 3-Lead SC70 (KS) and 3-Lead SOT-23 (RT)
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.
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.
Table 1. Selection Table
Part
ADR5040A
ADR5040B
ADR5041A
ADR5041B
ADR5043A
ADR5043B
ADR5044A
ADR5044B
ADR5045A
ADR5045B
Voltage (V)
2.048
2.048
2.5
2.5
3.0
3.0
4.096
4.096
5.0
5.0
Initial
Accuracy (%)
±0.2
±0.1
±0.2
±0.1
±0.2
±0.1
±0.2
±0.1
±0.2
±0.1
Temperature
Coefficient
(ppm/°C)
100
75
100
75
100
75
100
75
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.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One T echnology Way, P .O. B ox 91 06, N orwood, M A 020 62-9106, U .S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113 ©2007–2012 Analog Devices, Inc. All rights reserved.
http://www.Datasheet4U.com







ADR5045 pdf, 数据表
ADR5040/ADR5041/ADR5043/ADR5044/ADR5045
+25µA
–25µA
Data Sheet
+25µA
–25µA
ISHUNT = 100µA ± 25µA
RL = 100kΩ
10µs/DIV
Figure 8. ADR5041 Load Transient Response
+250µA
–250µA
ISHUNT = 100mA ± 25µA
RL = 100kΩ
40µs/DIV
Figure 11. ADR5045 Load Transient Response
+250µA
–250µA
ISHUNT = 1mA ± 250µA
RL = 10kΩ
10µs/DIV
Figure 9. ADR5041 Transient Response
+2.5mA
–2.5mA
ISHUNT = 1mA ± 250µA
RL = 10kΩ
10µs/DIV
Figure 12. ADR5045 Transient Response
+2.5mA
–2.5mA
ISHUNT = 10mA ± 2.5mA
RL = 1kΩ
10µs/DIV
Figure 10. ADR5041 Transient Response
ISHUNT = 10mA ± 2.5mA
RL = 1kΩ
10µs/DIV
Figure 13. ADR5045 Transient Response
Rev. B | Page 8 of 16







ADR5045 equivalent, schematic
ADR5040/ADR5041/ADR5043/ADR5044/ADR5045
NOTES
Data Sheet
Purchase of licensed I2C components of Analog Devices or one of its sublicensed Associated Companies conveys a license for the purchaser under the Philips I2C Patent
Rights to use these components in an I2C system, provided that the system conforms to the I2C Standard Specification as defined by Philips.
©2007–2012 Analog Devices, Inc. All rights reserved. Trademarks and
registered t rademarks are t he p roperty of t heir res pective o wners.
D06526-0-8/12(B)
Rev. B | Page 16 of 16










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