Pin Programmable, Precision Voltage Reference Data Sheet AD584 FEATURES PIN CONFIGURATIONS TAB Four programmable output voltages 8 10.000 V, 7.500 V, 5.000 V, and 2.500 V 10.0V 1 7 CAP V+ Laser-trimmed to high accuracies AD584 2 6 5.0V V TOP VIEW BG No external components required (Not to Scale) Trimmed temperature coefficient 3 5 2.5V STROBE 15 ppm/C maximum, 0C to 70C (AD584K) 4 COMMON 15 ppm/C maximum, 55C to +125C (AD584T) Figure 1. 8-Pin TO-99 Zero output strobe terminal provided 2-terminal negative reference: capability (5 V and above) 10.0V 1 8 V+ Output sources or sinks current 5.0V 2 7 CAP AD584 TOP VIEW 2.5V 3 6 V Low quiescent current: 1.0 mA maximum BG (Not to Scale) COMMON 4 5 STROBE 10 mA current output capability MIL-STD-883 compliant versions available Figure 2. 8-Lead PDIP GENERAL DESCRIPTION The AD584 is an 8-terminal precision voltage reference offering The AD584J and AD584K are specified for operation from 0C pin programmable selection of four popular output voltages: to +70C, and the AD584S and AD584T are specified for the 10.000 V, 7.500 V, 5.000 V and 2.500 V. Other output voltages, 55C to +125C range. All grades are packaged in a hermetically above, below, or between the four standard outputs, are available by sealed, eight-terminal TO-99 metal can, and the AD584J and the addition of external resistors. The input voltage can vary AD584K are also available in an 8-lead PDIP. between 4.5 V and 30 V. PRODUCT HIGHLIGHTS Laser wafer trimming (LWT) is used to adjust the pin 1. The flexibility of the AD584 eliminates the need to design- programmable output levels and temperature coefficients, in and inventory several different voltage references. resulting in the most flexible high precision voltage reference Furthermore, one AD584 can serve as several references available in monolithic form. simultaneously when buffered properly. In addition to the programmable output voltages, the AD584 2. Laser trimming of both initial accuracy and temperature offers a unique strobe terminal that permits the device to be coefficient results in very low errors overtemperature turned on or off. When the AD584 is used as a power supply without the use of external components. reference, the supply can be switched off with a single, low power 3. The AD584 can be operated in a 2-terminal Zener mode at signal. In the off state, the current drained by the AD584 is reduced a 5 V output and above. By connecting the input and the to approximately 100 A. In the on state, the total supply current is output, the AD584 can be used in this Zener configuration typically 750 A, including the output buffer amplifier. as a negative reference. 4. The output of the AD584 is configured to sink or source The AD584 is recommended for use as a reference for 8-, 10-, currents. This means that small reverse currents can be or 12-bit digital-to-analog converters (DACs) that require an tolerated in circuits using the AD584 without damage to external precision reference. In addition, the device is ideal for the reference and without disturbing the output voltage analog-to-digital converters (ADCs) of up to 14-bit accuracy, (10 V, 7.5 V, and 5 V outputs). either successive approximation or integrating designs, and in 5. The AD584 is available in versions compliant with MIL-STD- general, it can offer better performance than that provided by 883. Refer to the Analog Devices current AD584/883B data standard self-contained references. sheet for detailed specifications. This can be found under the Additional Data Sheets section of the AD584 product page. Rev. C 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 www.analog.com 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. Fax: 781.461.3113 19782012 Analog Devices, Inc. All rights reserved. 00527-001 00527-002AD584 Data Sheet TABLE OF CONTENTS Features .............................................................................................. 1 Output Current Characteristics ...................................................7 Pin Configurations ........................................................................... 1 Dynamic Performance ..................................................................7 General Description ......................................................................... 1 Noise Filtering ...............................................................................8 Product Highlights ........................................................................... 1 Using the Strobe Terminal ...........................................................8 Revision History ............................................................................... 2 Percision High Current Supply....................................................8 Specifications ..................................................................................... 3 The AD584 as a Current Limiter.................................................9 Absolute Maximum Ratings ............................................................ 5 Negative Reference Voltages from an AD584 ...............................9 ESD Caution .................................................................................. 5 10 V Reference with Multiplying CMOS DACs or ADCs .......9 Theory of Operation ........................................................................ 6 Precision DAC Reference .......................................................... 10 Applying the AD584 .................................................................... 6 Outline Dimensions ....................................................................... 11 Performance over Temperature .................................................. 7 Ordering Guide .......................................................................... 12 REVISION HISTORY 5/12Rev. B to Rev. C Deleted AD584L ................................................................. Universal Changes to Features Section, General Description Section and Product Highlights Section ............................................................. 1 Deleted Metalization Photograph .................................................. 4 Changes to 10 V Reference with Multiplying CMOS DACs or ADCs Section .................................................................................... 9 Changes to Precision DAC Reference Section and Figure 19... 10 Updated Outline Dimensions ....................................................... 1 1 Changes to Ordering Guide .......................................................... 12 7/01Rev. A to Rev. B Rev. C Page 2 of 12