Micropower, High Accuracy Voltage Reference Data Sheet ADR3512 FEATURES PIN CONFIGURATION Maximum temperature coefficient ENABLE 1 8 V IN ADR3512 GND SENSE 2 7 V SENSE 4 ppm/C (C grade, 40C to +85C) OUT TOP VIEW GND FORCE 3 6 V FORCE OUT Low long-term drift (LTD): 30 ppm (initial 1 khr typical) (Not to Scale) DNC 4 5 DNC Initial output voltage error: 0.1% (maximum) Operating temperature range: 40C to +125C NOTES 1. DNC = DO NOT CONNECT. DO NOT CONNECT TO THIS PIN. Output current: +10 mA source/3 mA sink Figure 1. 8-Lead MSOP (RM-8 Suffix) Low quiescent current: 100 A (maximum) Low dropout voltage: 1.15 V at 2 mA Output voltage noise (0.1 Hz to 10 Hz): 8 V 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 The low output voltage hysteresis and low long-term output voltage voltage reference, featuring a maximum temperature coefficient drift improve lifetime system accuracy. (TC) of 4 ppm/C (C grade, 40C to +85C), low operating This CMOS reference is specified over the automotive temperature current, and low output noise in an 8-lead MSOP package. For range of 40C to +125C. high accuracy, the output voltage and temperature coefficient Table 1. Selection Guide are trimmed digitally during final assembly using the Analog 1 Output Input Voltage Devices, Inc., patented DigiTrim technology. Model Voltage (V) 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 responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. rights of third parties that may result from its use. Specifications subject to change without notice. No Tel: 781.329.4700 2015 Analog Devices, Inc. All rights reserved. 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. Technical Support www.analog.com 11113-001ADR3512 Data Sheet TABLE OF CONTENTS Features .............................................................................................. 1 Long-Term Output Voltage Drift ............................................. 13 Applications ....................................................................................... 1 Power Dissipation....................................................................... 13 Pin Configuration ............................................................................. 1 Applications Information .............................................................. 14 General Description ......................................................................... 1 Basic Voltage Reference Connection ....................................... 14 Revision History ............................................................................... 2 Input and Output Capacitors .................................................... 14 Specifications ..................................................................................... 3 4-Wire Kelvin Connections ...................................................... 14 Electrical Characteristics ............................................................. 3 V Slew Rate Considerations ................................................... 14 IN Absolute Maximum Ratings ............................................................ 4 Shutdown/Enable Feature ......................................................... 14 Thermal Resistance ...................................................................... 4 Sample Applications ................................................................... 15 ESD Caution .................................................................................. 4 Outline Dimensions ....................................................................... 16 Pin Configuration and Function Descriptions ............................. 5 Ordering Guide .......................................................................... 16 Typical Performance Characteristics ............................................. 6 Automotive Products ................................................................. 16 Terminology .................................................................................... 12 Theory of Operation ...................................................................... 13 REVISION HISTORY 11/15Rev. D to Rev. E Change to Figure 39 ....................................................................... 15 8/15Revision D: Initial Version Rev. E Page 2 of 16