Datasheet AD587 (Analog Devices)

High Precision 10 V Reference AD587 FEATURES FUNCTIONAL BLOCK DIAGRAM NOISE Laser trimmed to high accuracy +VIN REDUCTION 10.000 V ± 5 mV (U grade) 2 8 Trimmed temperature coefficient RS 5 ppm/°C maximum (U grade) A1 6 VOUT Noise-reduction capability R Low quiescent current: 4 mA maximum F Output trim capability RT 5 TRIM MIL-STD-883-compliant versions available RI AD587 4 GND NOTE
1 00
PIN 1, PIN 3, AND PIN 7 ARE INTERNAL TEST
0-
POINTS. NO CONNECTIONS TO THESE POINTS.
53 00 Figure 1.
GENERAL DESCRIPTION PRODUCT HIGHLIGHTS
The AD587 represents a major advance in state-of-the-art 1. Laser trimming of both initial accuracy and temperature monolithic voltage references. Using a proprietary ion- coefficients. This laser trimming results in very low errors implanted buried Zener diode and laser wafer trimming of high over temperature without the use of external components. stability thin-film resistors, the AD587 provides outstanding The AD587U guarantees ±14 mV maximum total error performance at low cost. between −55°C and +125°C. The AD587 offers much higher performance than most other 2. Optional fine trim connection. This connection is designed 10 V references. Because the AD587 uses an industry-standard for applications requiring higher precision. pinout, many systems can be upgraded instantly with the AD587. 3. Instant upgrade of any system using an industry-standard pinout 10 V reference. The buried Zener approach to reference design provides lower 4. Very low output noise. AD587 output noise is typically noise and drift than band gap voltage references. The AD587 4 μV p-p. A noise-reduction pin is provided for additional offers a noise-reduction pin that can be used to further reduce noise filtering using an external capacitor. the noise level generated by the buried Zener. 5. MIL-STD-883-compliant versions available. Refer to the The AD587 is recommended for use as a reference for 8-bit, Analog Devices Military/Aerospace Reference Manual for 10-bit, 12-bit, 14-bit, or 16-bit DACs that require an external detailed specifications. precision reference. The device is also ideal for successive approximation or integrating ADCs with up to 14 bits of accuracy. In general, it offers better performance than standard on-chip references. The AD587J and AD587K are specified for operation from 0°C to 70°C, and the AD587U is specified for operation from −55°C to +125°C. The AD587JQ and AD587UQ models are available in 8-lead CERDIP. Other models are available in an 8-lead SOIC package for surface-mount applications, or in an 8-lead PDIP.
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Document Outline FEATURES FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION PRODUCT HIGHLIGHTS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS THEORY OF OPERATION APPLYING THE AD587 NOISE PERFORMANCE AND REDUCTION TURN-ON TIME DYNAMIC PERFORMANCE LOAD REGULATION TEMPERATURE PERFORMANCE NEGATIVE REFERENCE VOLTAGE FROM AN AD587 APPLICATIONS INFORMATION USING THE AD587 WITH CONVERTERS 10 V Reference with Multiplying CMOS DACs or ADCs Precision Current Source Precision High Current Supply OUTLINE DIMENSIONS ORDERING GUIDE