Micropower, High Accuracy Voltage References Data Sheet ADR3525/ADR3530/ADR3533/ADR3540/ADR3550 FEATURES PIN CONFIGURATION Maximum temperature coefficient: 5 ppm/C (B grade) ENABLE 1 8 V IN ADR35xx GND SENSE 2 7 V SENSE Low long-term drift (LTD): 30 ppm (initial 1 khr typical) OUT TOP VIEW GND FORCE 3 6 V FORCE OUT Initial output voltage error: 0.1% (maximum) (Not to Scale) NC 4 5 NC Operating temperature range: 40C to +125C NOTES Output current: +10 mA source/3 mA sink 1. NC = NO CONNECT. DO NOT CONNECT TO THIS PIN. Low quiescent current: 100 A (maximum) Figure 1. 8-Lead MSOP (RM-8 Suffix) Low dropout voltage: 250 mV at 2 mA Output voltage noise (0.1 Hz to 10 Hz): 29 V p-p at 4.096 V (typical) Qualified for automotive applications APPLICATIONS Automotive battery monitors Portable instrumentation Process transmitters Remote sensors Medical instrumentation GENERAL DESCRIPTION Table 1. Selection Guide The ADR3525W, ADR3530W, ADR3533W, ADR3540W, and ADR3550W are low cost, low power, high precision CMOS Model Output Voltage (V) Input Voltage Range (V) voltage references, featuring a maximum temperature coeffi- ADR3525W 2.500 2.7 to 5.5 cient (TC) of 5 ppm/C (B grade), 8 ppm/C (A grade), low ADR3530W 3.000 3.2 to 5.5 operating current, and low output noise in an 8-lead MSOP ADR3533W 3.300 3.5 to 5.5 package. For high accuracy, the output voltage and temperature ADR3540W 4.096 4.3 to 5.5 coefficient are trimmed digitally during final assembly using the ADR3550W 5.000 5.2 to 5.5 Analog Devices, Inc., patented DigiTrim technology. The low output voltage hysteresis and low long-term output voltage drift improve lifetime system accuracy. These CMOS references are available in five output voltages, all of which are specified over the automotive temperature range of 40C to +125C. Rev. 0 Information furnished by Analog Devices is believed to be accurate and reliable. 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Trademarks and registered trademarks are the property of their respective owners. 09594-001ADR3525/ADR3530/ADR3533/ADR3540/ADR3550 Data Sheet TABLE OF CONTENTS Features .............................................................................................. 1 Terminology .................................................................................... 16 Applications ....................................................................................... 1 Theory of Operation ...................................................................... 17 Pin Configuration ............................................................................. 1 Long-Term Output Voltage Drift ............................................. 17 General Description ......................................................................... 1 Power Dissipation....................................................................... 17 Revision History ............................................................................... 2 Applications Information .............................................................. 18 Specif icat ions ..................................................................................... 3 Basic Voltage Reference Connection ....................................... 18 ADR3525 Electrical Characteristics .......................................... 3 Input and Output Capacitors .................................................... 18 ADR3530 Electrical Characteristics .......................................... 4 4-Wire Kelvin Connections ...................................................... 18 ADR3533 Electrical Characteristics .......................................... 5 VIN Slew Rate Considerations ................................................... 18 ADR3540 Electrical Characteristics .......................................... 6 Shutdown/Enable Feature ......................................................... 18 ADR3550 Electrical Characteristics .......................................... 7 Sample Applications ................................................................... 19 Absolute Maximum Ratings ............................................................ 8 Outline Dimensions ....................................................................... 20 Thermal Resistance ...................................................................... 8 Ordering Guide .......................................................................... 20 ESD Caution .................................................................................. 8 Automotive Products ................................................................. 20 Pin Configuration and Function Descriptions ............................. 9 Typical Performance Characteristics ........................................... 10 REVISION HISTORY 9/11Revision 0: Initial Version Rev. 0 Page 2 of 20