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ADR381 数据表(PDF) 1 Page - Analog Devices

部件名 ADR381
功能描述  Precision Low Drift 2.048 V/2.500 V SOT-23 Voltage Reference
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADR381 数据表(HTML) 1 Page - Analog Devices

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Precision Low Drift 2.048 V/2.500 V
SOT-23 Voltage Reference
ADR380/ADR381
Rev. C
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringementsof patentsorother
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
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
©2001–2010 Analog Devices, Inc. All rights reserved.
FEATURES
Initial accuracy: ±5 mV/±6 mV maximum
Initial accuracy error: ±0.24%/±0.24%
Low TCVOUT: 25 ppm/°C maximum
Load regulation: 70 ppm/mA
Line regulation: 25 ppm/V
Wide operating ranges
2.4 V to 18 V for ADR380
2.8 V to 18 V for ADR381
Low power: 120 μA maximum
High output current: 5 mA
Wide temperature range: −40°C to +85°C
Tiny 3-lead SOT-23 package with standard pinout
APPLICATIONS
Battery-powered instrumentation
Portable medical instruments
Data acquisition systems
Industrial process control systems
Hard disk drives
Automotive
PIN CONFIGURATION
VIN 1
VOUT 2
GND
3
ADR380/
ADR381
TOP VIEW
(Not to Scale)
Figure 1. 3-Lead SOT-23
(RT Suffix)
GENERAL DESCRIPTION
The ADR380 and ADR381 are precision 2.048 V and 2.500 V
band gap voltage references featuring high accuracy, high
stability, and low power consumption in a tiny footprint.
Patented temperature drift curvature correction techniques
minimize nonlinearity of the voltage change with temperature.
The wide operating range and low power consumption make
them ideal for 3 V to 5 V battery-powered applications.
The ADR380 and ADR381 are micropower, low dropout
voltage (LDV) devices that provide a stable output voltage from
supplies as low as 300 mV above the output voltage. They are
specified over the industrial (−40°C to +85°C) temperature
range. The ADR380/ADR381 are available in the tiny 3-lead
SOT-23 package.
Table 1. ADR38x Products
Part Number
Nominal Output Voltage (V)
ADR380
2.048
ADR381
2.500


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