ADR225 (Rev. B)
Document overview
- Manufacturer or author: Analog Devices, Inc.
- PDF pages: 12
Technical content
High Temperature, Low Drift, Micropower 2.5 V Reference Data Sheet ADR225 Rev. B 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 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. Trademarks and registered trademarks are the property of their respective owners. Tel: 781.329.4700 ©2013 Analog Devices, Inc. All rights reserved. Technical Support www.analog.com
FEATURES
Extreme high temperature operation −40°C to +210°C, 8-lead FLATPACK −40°C to +175°C, 8-lead SOIC Temperature coefficient 40 ppm/°C, 8-lead FLATPACK 10 ppm/°C, 8-lead SOIC High output current: 10 mA Low supply current: 50 µA maximum Initial accuracy: ±0.4% (±10 mV maximum), 8-lead SOIC Low dropout voltage Wide supply range: 3.3 V to 16 V
APPLICATIONS
Down-hole drilling and instrumentation Avionics Heavy industrial High temperature environments PIN CONFIGURATION NC 1 VS 2 NC 3 GND 4 NC8 NC7 OUTPUT6 NC5 NOTES 1. NC = NO CONNECT. DO NOT CONNECT TO THIS PIN. ADR225 TOP VIEW (Not to Scale) 11525-001 Figure 1. Pin Configuration for SOIC and FLATPACK Packages specified for a high temperature operation of 175°C and 210°C. well in battery-powered equipment. package with an operating temperature range of −40°C to +175°C.
Rev. B | Page 2 of 12 TABLE OF CONTENTS
REVISION HISTORY
11/13—Rev. A to Rev. B Added Figure 6, Figure 7, Figure 8, Figure 12, Figure 13, Figure 14, Figure 18, and Figure 19; Renumbered 9/13—Rev. 0 to Rev. A Changes to Data Sheet Title and Added Wide Supply Range: 3.3 V Changed Supply Voltage from −0.3 V to +15 V to −0.3 V to 7/13—Revision 0: Initial Version
Rev. B | Page 3 of 12 SPECIFICATIONS
ELECTRICAL CHARACTERISTICS
VS = 3.3 V, VOUT = 2.5 V , TMIN < TA < TMAX, unless otherwise noted. Table 1. 8-Lead SOIC 8-Lead FLATPACK Parameter Symbol Test Conditions/Comments Min Typ Max Min Typ Max Unit SUPPLY CURRENT ISY No load 30 50 40 60 µA INITIAL ACCURACY1 VO IOUT = 0 mA ±2 ±10 ±5 ±60 mV TEMPERATURE COEFFICIENT2 TCVOUT IOUT = 0 mA 10 30 40 80 ppm/°C REGULATION VOLTAGE Dropout Voltage VS − VOUT ILOAD = 10 mA 1.00 1.00 V Noise Voltage eN 0.1 Hz to 10 Hz 25 25 µV p-p 1 For proper operation, a 1 µF capacitor is required between the OUTPUT pin and the GND pin of the device. 2 TCVOUT is defined as the ratio of output change with temperature variation to the specified temperature range expressed in ppm/°C. TCVOUT = (VMAX − VMIN)/VOUT(TMAX − TMIN) 3 Load regulation specification includes the effect of self-heating.
Comprehensive reliability testing is performed on the ADR225. through HTOL at the maximum operating temperature. Devices, Inc., high temperature (HT) products. Figure 2. Predicted Lifetime vs. Operating Temperature for the device soldered in the circuit board.
REFERENCE ONLY AND ARE NOT APPROPRIATE FOR USE IN DESIGN. Figure 26. 8-Lead Standard Small Outline Package [SOIC_N]
0.026 MIN
0.05 TYP
Figure 27. 8-Lead Ceramic Flat Package [FLATPACK]
Rev. B | Page 11 of 12 NOTES
Rev. B | Page 12 of 12 NOTES ©2013 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D11525-0-11/13(B)