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Analog Devices - High Accuracy Voltage Reference

Numéro de référence ADR3512
Description High Accuracy Voltage Reference
Fabricant Analog Devices 
Logo Analog Devices 





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ADR3512 fiche technique
Data Sheet
FEATURES
Maximum temperature coefficient
4 ppm/°C (C grade, −40°C to +85°C)
Low long-term drift (LTD): 30 ppm (initial 1 khr typical)
Initial output voltage error: ±0.1% (maximum)
Operating temperature range: −40°C to +125°C
Output current: +10 mA source/−3 mA sink
Low quiescent current: 100 µA (maximum)
Low dropout voltage: 1.15 V at 2 mA
Output voltage noise (0.1 Hz to 10 Hz): 8 µV p-p (typical)
Qualified for automotive applications
APPLICATIONS
Automotive battery monitors
Portable instrumentation
Process transmitters
Remote sensors
Medical instrumentation
GENERAL DESCRIPTION
The ADR3512 is a low cost, low power, high precision CMOS
voltage reference, featuring a maximum temperature coefficient
(TC) of 4 ppm/°C (C grade, −40°C to +85°C), low operating
current, and low output noise in an 8-lead MSOP package. For
high accuracy, the output voltage and temperature coefficient
are trimmed digitally during final assembly using the Analog
Devices, Inc., patented DigiTrim® technology.1
Micropower, High Accuracy
Voltage Reference
ADR3512
PIN CONFIGURATION
ENABLE 1
GND SENSE 2
GND FORCE 3
DNC 4
ADR3512
TOP VIEW
(Not to Scale)
8 VIN
7 VOUT SENSE
6 VOUT FORCE
5 DNC
NOTES
1. DNC = DO NOT CONNECT. DO NOT CONNECT TO THIS PIN.
Figure 1. 8-Lead MSOP (RM-8 Suffix)
The low output voltage hysteresis and low long-term output voltage
drift improve lifetime system accuracy.
This CMOS reference is specified over the automotive temperature
range of −40°C to +125°C.
Table 1. Selection Guide
Output
Model
Voltage (V)
Input Voltage
Range (V)
ADR3512WCRMZ-R7 1.200
2.3 to 5.5
1 At least U.S. Patent No. 6,696,894 covers this technology.
Rev. E
Document Feedback
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityisassumedbyAnalogDevices for itsuse,nor foranyinfringementsofpatentsor 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 Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
©2015 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com

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