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ADR01/ADR02/ADR03/ADR06: Ultracompact, Precision 10.0 V/5.0 V/2.5 V/3.0 V Voltage References

ADR01/ADR02/ADR03/ADR06: Ultracompact, Precision 10.0 V/5.0 V/2.5 V/3.0 V Voltage References
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ADR01/ADR02/ADR03/ADR06: Ultracompact, Precision 10.0 V/5.0 V/2.5 V/3.0 V Voltage References

Product catalog summary
Features
The ADR01, ADR02, ADR03, and ADR06 are ultracompact voltage references available in SC70, TSOT, and SOIC packages. They feature low temperature coefficients, an initial accuracy of ±0.1%, and do not require external capacitors. These devices operate over a wide voltage range, providing high output current with low noise.
Applications
These voltage references are ideal for precision data acquisition systems, high-resolution converters, industrial process control systems, precision instruments, auto battery monitoring, and PCMCIA cards.
General Description
The ADR01, ADR02, ADR03, and ADR06 are precision band gap voltage references with output voltages of 10.0 V, 5.0 V, 2.5 V, and 3.0 V, respectively. They are designed for high accuracy and stability with low power consumption and are pin-compatible with industry-standard references, suitable for space-constrained applications. They include a TEMP terminal for temperature sensing and a TRIM terminal for output voltage adjustment.
Specifications
The ADR01 operates with an input voltage range of 12.0 V to 36.0 V, while the ADR02, ADR03, and ADR06 have varying input ranges. They feature low dropout voltage, excellent line and load regulation, and low quiescent current, along with low voltage noise and high ripple rejection.
Electrical Characteristics
Each model has specific electrical characteristics, including output voltage, initial accuracy, temperature coefficient, dropout voltage, line regulation, load regulation, quiescent current, voltage noise, and ripple rejection ratio. These parameters are detailed for different grades and package types.
Applications Information
The document provides guidance on applying these voltage references in various configurations, such as low-cost current sources, precision current sources with adjustable output, and precision boosted output regulators.
Ordering Guides
The document includes ordering information for different grades and package types, as well as automotive-qualified versions.
Overview
The document provides detailed specifications and characteristics of the ADR01, ADR02, ADR03, and ADR06 voltage references. These devices are high precision, low drift voltage references available in various voltage outputs (10.0 V, 5.0 V, 2.5 V, and 3.0 V) and are designed to be drop-in replacements for REF01/REF02/REF03 sockets with improved performance.
Electrical Characteristics
The document outlines the electrical characteristics for each device, including output voltage, initial accuracy, temperature coefficient, dropout voltage, line and load regulation, quiescent current, voltage noise, turn-on settling time, long-term stability, output voltage hysteresis, ripple rejection ratio, and short circuit current. These parameters are specified under various conditions of input voltage and temperature.
Temperature Sensor
The devices include a temperature sensor with a voltage output at the TEMP pin and a temperature sensitivity of 1.96 mV/°C, allowing users to estimate temperature changes based on voltage changes at this pin.
Absolute Maximum Ratings
The document specifies the maximum ratings for supply voltage, output short-circuit duration, storage temperature range, operating temperature range, junction temperature range, and lead temperature range. Exceeding these ratings may cause permanent damage to the device.
Thermal Resistance
Thermal resistance values are provided for different package types, indicating the heat dissipation capabilities of the devices.
Terminology
Definitions are provided for key terms such as dropout voltage, temperature coefficient, output voltage hysteresis, long-term stability, line regulation, and load regulation, explaining how these parameters are measured and their significance.
Typical Performance Characteristics
Graphs illustrate the typical performance of the devices, including output voltage versus temperature, supply current versus input voltage, load regulation versus temperature, line regulation versus temperature, and dropout voltage versus load current.
Applications Information
The document discusses the application of these devices, recommending the use of input and output capacitors to improve stability and filter out voltage noise. It also describes the internal band gap reference design and the role of the PTAT voltage available at the TEMP pin.
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Catalog excerpts

ADR01/ADR02/ADR03/ADR06: Ultracompact, Precision 10.0 V/5.0 V/2.5 V/3.0 V Voltage References-1

Ultracompact SC70 and TSOT packages Low temperature coefficient 8-lead SOIC: 3 ppm/°C 5-lead SC70: 9 ppm/°C 5-lead TSOT: 9 ppm/°C Initial accuracy ±0.1% No external capacitor required Low noise 10 µV p-p (0.1 Hz to 10.0 Hz) Wide operating range ADR01: 12.0 V to 36.0 V ADR02: 7.0 V to 36.0 V ADR03: 4.5 V to 36.0 V ADR06: 5.0 V to 36.0 V High output current 10 mA Wide temperature range: −40°C to +125°C ADR01/ADR02/ADR03 pin compatible to industrystandard REF01/REF02/REF03 ADR01, ADR02, ADR03 and ADR06 SOIC qualified for automotive applications TOP VIEW 4 VOUT (Not to Scale) Figure 1. 5-Lead, SC70/TSOT Surface-Mount Packages TOP VIEW 5 TRIM (Not to Scale) NOTES 1. NIC = NO INTERNAL CONNECT. Data Sheet Ultracompact, Precision 10.0 V/5.0 V/2.5 V/3.0 V Voltage References ADR01/ADR02/ADR03/ADR06 Figure 2. 8-Lead, SOIC Surface-Mount Package APPLICATIONS Precision data acquisition systems High resolution converters Industrial process control systems Precision instruments Auto battery monitoring PCMCIA cards GENERAL DESCRIPTION The ADR01, ADR02, ADR03, and ADR06 are precision 10.0 V, 5.0 V, 2.5 V, and 3.0 V band gap voltage references featuring high accuracy, high stability, and low power consumption. The parts are housed in tiny, 5-lead SC70 and TSOT packages, as well as in 8-lead SOIC versions. The SOIC versions of the ADR01, ADR02, and ADR03 are drop-in replacements1 to the industrystandard REF01, REF02, and REF03. The small footprint and wide operating range make the ADR0x references ideally suited for general-purpose and space-constrained applications. With an external buffer and a simple resistor network, the TEMP terminal can be used for temperature sensing and approximation. A TRIM terminal is provided on the devices for fine adjustment of the output voltage. 1 The ADR01, ADR02, ADR03, and ADR06 are compact, low drift voltage references that provide an extremely stable output voltage from a wide supply voltage range. They are available in 5-lead SC70 and TSOT packages, and 8-lead SOIC packages with A, B, and C grade selections. All parts are specified over the extended industrial (–40°C to +125°C) temperature range. The ADR01, ADR02, ADR03, and ADR06 A grade in 8-lead SOIC are qualified for automotive applications. Table 1. Selection Guide Part Number ADR01 ADR02 ADR03 ADR06 ADR01, ADR02, and ADR03 are component-level compatible with REF01, REF02, and REF03, respectively. No guarantees for system-level compatibility are implied. SOIC versions of ADR01/ADR02/ADR03 are pin-to-pin compatible with 8-lead SOIC versions of REF01/REF02/REF03, respectively, with the additional temperature monitoring function. Rev. R 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. 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 ©2002–2012 Analog Devices, Inc. All rights reserved.

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ADR01/ADR02/ADR03/ADR06: Ultracompact, Precision 10.0 V/5.0 V/2.5 V/3.0 V Voltage References-4

Data Sheet SPECIFICATIONS ADR01 ELECTRICAL CHARACTERISTICS VIN = 12.0 V to 36.0 V, VIN = 12.0 V to 24.0 V for ADR01WARZ, TA = 25°C, unless otherwise noted. Table 2. Parameter OUTPUT VOLTAGE INITIAL ACCURACY Conditions A and C grades A and C grades OUTPUT VOLTAGE INITIAL ACCURACY OUTPUT VOLTAGE INITIAL ACCURACY A grade, 8-lead SOIC, −40°C < TA < +125°C A grade, 5-lead TSOT, –40°C < TA < +125°C A grade, 5-lead SC70, –40°C < TA < +125°C B grade, 8-lead SOIC, –40°C < TA < +125°C B grade, 5-lead TSOT, –40°C < TA < +125°C B grade, 5-lead SC70, –40°C < TA < +125°C C grade, 8-lead SOIC, –40°C < TA <...

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ADR01/ADR02/ADR03/ADR06: Ultracompact, Precision 10.0 V/5.0 V/2.5 V/3.0 V Voltage References-5

Data Sheet ADR02 ELECTRICAL CHARACTERISTICS VIN = 7.0 V to 36.0 V, VIN = 7.0 V to 26.0 V for ADR02WARZ, TA = 25°C, unless otherwise noted. Table 3. Parameter OUTPUT VOLTAGE INITIAL ACCURACY Conditions A and C grades A and C grades OUTPUT VOLTAGE INITIAL ACCURACY TEMPERATURE COEFFICIENT A grade, 8-lead SOIC, –40°C < TA < +125°C A grade, 5-lead TSOT, –40°C < TA < +125°C A grade, 5-lead SC70, –40°C < TA < +125°C A grade, 5-lead SC70, –55°C < TA < +125°C B grade, 8-lead SOIC, –40°C < TA < +125°C B grade, 5-lead TSOT, –40°C < TA < +125°C B grade, 5-lead SC70, –40°C < TA < +125°C C grade, 8-lead SOIC,...

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ADR01/ADR02/ADR03/ADR06: Ultracompact, Precision 10.0 V/5.0 V/2.5 V/3.0 V Voltage References-6

Data Sheet ADR03 ELECTRICAL CHARACTERISTICS VIN = 4.5 V to 36.0 V, VIN = 4.5 V to 26.0 V for ADR03WARZ, TA = 25°C, unless otherwise noted. Table 4. Parameter OUTPUT VOLTAGE INITIAL ACCURACY Conditions A and C grades A and C grades OUTPUT VOLTAGE INITIAL ACCURACY TEMPERATURE COEFFICIENT A grade, 8-lead SOIC, –40°C < TA < +125°C A grade, 5-lead TSOT, –40°C < TA < +125°C A grade, 5-lead SC70, –40°C < TA < +125°C A grade, 5-lead SC70, –55°C < TA < +125°C B grade, 8-lead SOIC, –40°C < TA < +125°C B grade, 5-lead TSOT, –40°C < TA < +125°C B grade, 5-lead SC70, –40°C < TA < +125°C C grade, 8-lead SOIC,...

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ADR01/ADR02/ADR03/ADR06: Ultracompact, Precision 10.0 V/5.0 V/2.5 V/3.0 V Voltage References-7

Data Sheet ADR06 ELECTRICAL CHARACTERISTICS VIN = 5.0 V to 36.0 V, VIN = 5.0 V to 26.0 V for ADR06WARZ, TA = 25°C, unless otherwise noted. Table 5. Parameter OUTPUT VOLTAGE INITIAL ACCURACY Conditions A and C grades A and C grades OUTPUT VOLTAGE INITIAL ACCURACY TEMPERATURE COEFFICIENT A grade, 8-lead SOIC, –40°C < TA < +125°C A grade, 5-lead TSOT, –40°C < TA < +125°C A grade, 5-lead SC70, –40°C < TA < +125°C B grade, 8-lead SOIC, –40°C < TA < +125°C B grade, 5-lead TSOT, –40°C < TA < +125°C B grade, 5-lead SC70, –40°C < TA < +125°C C grade, 8-lead SOIC, –40°C < TA < +125°C DROPOUT VOLTAGE LINE...

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