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MFG:ADI D/C:09
Part Number: ADR431
MFG: ADI
D/C: 09
Description: The ADR43x series is a family of XFET voltage references featuring low noise, high accuracy, and low temperature drift ...
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ADR431
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DataSheet
General Description
ADR431 General Description
The ADR43x series is a family of XFET voltage references featuring low noise, high accuracy, and low temperature drift performance. Using ADI's patented temperature drift curvature correction and XFET (eXtra implanted junction FET) technology, the ADR43x's voltage change versus temperature nonlinearity is minimized.
The XFET references operate at lower current (800 µA) and supply headroom (2 V) than buried-Zener references. Buried-Zener references require more than 5 V headroom for operations. The ADR43x XFET references are the only low noise solutions for 5 V systems.
The ADR43x series has the capability to source up to 30 mA and sink up to 20 mA of output current. It also comes with a TRIM terminal to adjust the output voltage over a 0.5% range without compromising performance. The ADR43x is available in the 8-lead mini SOIC and 8-lead SOIC packages.
ADR431 Maximum Ratings
| Parameter |
Rating |
| Supply Voltage Output Short-Circuit Duration to GND Storage Temperature Range (R, RM Packages) Operating Temperature Range Junction Temperature Range Lead Temperature Range (Soldering, 60 s) |
20 V |
Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only; functional operation of the device at these or any other conditions beyond those indicated in the operational sections of this specification is not implied. Absolute maximum ratings apply individually only, not in combination.
ADR431 Features
Low noise (0.1 Hz to 10 Hz): 3.5 µV p-p @ 2.5 V output
No external capacitor required
Low temperature coefficient
A Grade: 10 ppm/°C max
B Grade: 3 ppm/°C max
Load regulation: 15 ppm/mA
Line regulation: 20 ppm/V
Wide operating range
ADR430: 4.1 V to 18 V
ADR431: 4.5 V to 18 V
ADR433: 5.0 V to 18 V
ADR434: 6.1 V to 18 V
ADR435: 7.0 V to 18 V
ADR439: 6.5 V to 18 V
High output current: +30 mA/−20 mA
Wide temperature range: −40°C to +125°C
No external capacitor required
Low temperature coefficient
A Grade: 10 ppm/°C max
B Grade: 3 ppm/°C max
Load regulation: 15 ppm/mA
Line regulation: 20 ppm/V
Wide operating range
ADR430: 4.1 V to 18 V
ADR431: 4.5 V to 18 V
ADR433: 5.0 V to 18 V
ADR434: 6.1 V to 18 V
ADR435: 7.0 V to 18 V
ADR439: 6.5 V to 18 V
High output current: +30 mA/−20 mA
Wide temperature range: −40°C to +125°C
ADR431 Typical Application
Precision data acquisition systems
High resolution data converters
Medical instruments
Industrial process control systems
Optical control circuits
Precision instruments
High resolution data converters
Medical instruments
Industrial process control systems
Optical control circuits
Precision instruments
ADR431 Connection Diagram
ADR431
PDF/DataSheet Download
- Datasheet: ADR431
- File Size: 888867 KB
- Manufacturer: AD [Analog Devices]
- Click here to Download
- ·ADR01
- AD [Analog Devices]
- Ultracompact Precision10 V/5 V/2.5 V/3.0 V Voltage References
- 857494 KB
- ·ADR01AKS-R2
- AD [Analog Devices]
- Ultracompact Precision10 V/5 V/2.5 V/3.0 V Voltage References
- 857494 KB
- ·ADR01AKS-REEL7
- AD [Analog Devices]
- Ultracompact Precision10 V/5 V/2.5 V/3.0 V Voltage References
- 857494 KB
- ·ADR01AR
- AD [Analog Devices]
- Ultracompact Precision10 V/5 V/2.5 V/3.0 V Voltage References
- 857494 KB
- ·ADR01AR-REEL7
- AD [Analog Devices]
- Ultracompact Precision10 V/5 V/2.5 V/3.0 V Voltage References
- 857494 KB
- ·ADR01AUJ-R2
- AD [Analog Devices]
- Ultracompact Precision10 V/5 V/2.5 V/3.0 V Voltage References
- 857494 KB
- ·ADR01AUJ-REEL7
- AD [Analog Devices]
- Ultracompact Precision10 V/5 V/2.5 V/3.0 V Voltage References
- 857494 KB
- ·ADR01BKS-R2
- AD [Analog Devices]
- Ultracompact Precision10 V/5 V/2.5 V/3.0 V Voltage References
- 857494 KB
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