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AD580M Datasheet(PDF) 1 Page - Analog Devices |
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AD580M Datasheet(HTML) 1 Page - Analog Devices |
1 / 6 page FUNCTIONAL BLOCK DIAGRAM REV. A 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 which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. a High Precision 2.5 V IC Reference AD580* One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 617/329-4700 Fax: 617/326-8703 FEATURES Laser Trimmed to High Accuracy: 2.500 V 0.4% 3-Terminal Device: Voltage In/Voltage Out Excellent Temperature Stability: 10 ppm/ C (AD580M, U) Excellent Long-Term Stability: 250 V (25 V/Month) Low Quiescent Current: 1.5 mA max Small, Hermetic IC Package: TO-52 Can MIL-STD-883 Compliant Versions Available PRODUCT DESCRIPTION The AD580 is a three-terminal, low cost, temperature compen- sated, bandgap voltage reference which provides a fixed 2.5 V output for inputs between 4.5 V and 30 V. A unique combina- tion of advanced circuit design and laser-wafer trimmed thin- film resistors provide the AD580 with an initial tolerance of ±0.4%, a temperature stability of better than 10 ppm/°C and long-term stability of better than 250 µV. In addition, the low quiescent current drain of 1.5 mA max offers a clear advantage over classical Zener techniques. The AD580 is recommended as a stable reference for all 8-, 10- and 12-bit D-to-A converters that require an external reference. In addition, the wide input range of the AD580 allows operation with 5 volt logic supplies making the AD580 ideal for digital panel meter applications or whenever only a single logic power supply is available. The AD580J, K, L and M are specified for operation over the 0 °C to +70°C temperature range; the AD580S, T and U are specified for operation over the extended temperature range of –55 °C to +125°C. *Protected by Patent Nos. 3,887,863; RE30,586. PRODUCT HIGHLIGHTS 1. Laser-trimming of the thin-film resistors minimizes the AD580 output error. For example, the AD580L output tolerance is ±10 mV. 2. The three-terminal voltage in/voltage out operation of the AD580 provides regulated output voltage without any external components. 3. The AD580 provides a stable 2.5 V output voltage for input voltages between 4.5 V and 30 V. The capability to provide a stable output voltage using a 5-volt input makes the AD580 an ideal choice for systems that con- tain a single logic power supply. 4. Thin-film resistor technology and tightly controlled bipolar processing provide the AD580 with temperature stabilities to 10 ppm/ °C and long-term stability better than 250 µV. 5. The low quiescent current drain of the AD580 makes it ideal for CMOS and other low power applications. 6. The AD580 is available in versions compliant with MIL-STD-883. Refer to the Analog Devices Military Products Databook or current AD580/883B data sheet for detailed specifications. |
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