Key facts
- Brand
- Analog Devices
- Model
- ADR391
- Industry
- Industrial
- Documents
- 4
- Languages
- EN
- Last added
- 2012-08-03
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ANALOG DEVICES ADR391/ADR392/ADR395: Micropower Low Noise Precision Voltage References with Shutdown Data Sheet (Rev H 2009-10-08-)
The document describes the ADR391/ADR392/ADR395 family of precision band gap voltage references available in 2.048 V, 2.5 V, 4.096 V, and 5.0 versions. These devices are designed for battery-powered instrumentation and portable medical applications due to their low power consumption and compact 5-lead TSOT package.
Read onlineAnalog Devices ADR391 specifications
| Output Voltage (ADR391) | 2.5 V |
|---|---|
| Supply Voltage Headroom | 300 mV |
| Quiescent Current (Operation) | 140 pA |
| Voltage Noise (0.1 Hz to 10 Hz) | 5 µV p-p |
| Output Current | 5 mA |
All Analog Devices ADR391 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
- ANALOG DEVICES ADR391/ADR392/ADR395: Micropower Low Noise Precision Voltage References with Shutdown Data Sheet (Rev H 2009-10-08-) 20 p
- Analog Devices ADR390/ADR391/ADR392/ADR395 Voltage Reference Datasheet 20 p
- ANALOG DEVICES ADR390/ADR391/ADR392/ADR395 Micropower handbook
- Analog Devices ADR390/ADR391/ADR392/ADR395 Handbook 20 p
Questions answered in these manuals
What is the shutdown supply current?
The maximum shutdown supply current is 3 pA.
Is an external capacitor required for operation?
No, the design eliminates the need for external capacitors.
Do these voltage references require external capacitors?
No, their advanced design eliminates the need for external capacitors.
From: Analog Devices ADR390/ADR391/ADR392/ADR395 Voltage Reference Datasheet
What is the minimum supply voltage required?
The devices provide a stable output from a minimum supply of 300 mV above the output.
From: Analog Devices ADR390/ADR391/ADR392/ADR395 Voltage Reference Datasheet
What supply‑voltage headroom is required for the ADR39x references?
A minimum of 300 mV above the output voltage is required.
How much quiescent current does the device draw with no load?
The device draws 120 µA of quiescent current with no load.