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AD580

Analog Devices
Part Number AD580
Manufacturer Analog Devices
Description High Precision 2.5V IC Reference
Published Mar 23, 2005
Detailed Description FEATURES Laser-trimmed to high accuracy: 2.500 V ±0.4% 3-terminal device: voltage in/voltage out Excellent temperature s...
Datasheet PDF File AD580 PDF File

AD580
AD580

Overview
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 μV (25 μV/month) Low quiescent current: 1.
5 mA maximum Small, hermetic IC package: TO-52 can MIL-STD-883 compliant versions available GENERAL DESCRIPTION The AD580 is a 3-terminal, low cost, temperature-compensated, bandgap voltage reference, which provides a fixed 2.
5 V output for inputs between 4.
5 V and 30 V.
A unique combination 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 maximum offers a clear advantage over classical Zener techniques.
The AD580 is recommended as a stable reference for all 8-, 10-, and 12-bit D/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.
High Precision, 2.
5 V IC Reference AD580 FUNCTIONAL BLOCK DIAGRAM +E BOTTOM VIEW EOUT 00525-B-001 –E Figure 1.
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 V input makes the AD580 an ideal choice f...


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