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AD584 Precision...

Rs.496.00 Rs.470.00

  • Four programmable output voltages

                10.000 V, 7.500 V, 5.000 V, and 2.500 V

  • Laser-trimmed to high accuracies

  • No external components required

  • Trimmed temperature coefficient

                15 ppm/°C maximum, 0°C to 70°C (AD584K)
15 ppm/°C maximum, −55°C to +125°C (AD584T)

  • Zero output strobe terminal provided

  • 2-terminal negative reference: capability (5 V and above)

  • Output sources or sinks current

  • Low quiescent current: 1.0 mA maximum

  • 10 mA current output capability

  • MIL-STD-883 compliant versions available

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Description

AD584 Precision Voltage Reference

The AD584 is an 8-terminal precision voltage reference offering pin programmable selection of four popular output voltages: 10.000 V, 7.500 V, 5.000 V and 2.500 V. Other output voltages, above, below, or between the four standard outputs, are available by the addition of external resistors.

The input voltage can vary between 4.5 V and 30 V. Laser wafer trimming (LWT) is used to adjust the pin programmable output levels and temperature coefficients, resulting in the most flexible high precision voltage reference available in monolithic form.

In addition to the programmable output voltages, the AD584 offers a unique strobe terminal that permits the device to be turned on or off. When the AD584 is used as a power supply reference, the supply can be switched off with a single, low power signal. In the off state, the current drained by the AD584 is reduced to approximately 100 μA. In the on state, the total supply current is typically 750 μA, including the output buffer amplifier.

The AD584 is recommended for use as a reference for 8-, 10-,  or 12-bit digital-to-analog converters (DACs) that require an external precision reference. In addition, the device is ideal for analog-to-digital converters (ADCs) of up to 14-bit accuracy, either successive approximation or integrating designs, and in general, it can offer better performance than that provided by standard self-contained references.

Features of AD584

  • Four programmable output voltages

                10.000 V, 7.500 V, 5.000 V, and 2.500 V

  • Laser-trimmed to high accuracies

  • No external components required

  • Trimmed temperature coefficient

                15 ppm/°C maximum, 0°C to 70°C (AD584K)
15 ppm/°C maximum, −55°C to +125°C (AD584T)

  • Zero output strobe terminal provided

  • 2-terminal negative reference: capability (5 V and above)

  • Output sources or sinks current

  • Low quiescent current: 1.0 mA maximum

  • 10 mA current output capability

  • MIL-STD-883 compliant versions available

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