ADR430 Ultralow Noise XFET® 2.048V Voltage Reference w/Current Sink and Source Capability

The ADR43x series is a family of XFET voltage references featuring low noise, high accuracy, and low temperature drift performance. Using Analog Devices, Inc., patented temperature drift curvature correction and XFET (eXtra implanted junction FET) technology, voltage change vs. temperature nonlinearity in the ADR43x 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 family has the capability to source up to 30 mA of output current and sink up to 20 mA. 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 8-lead MSOP and narrow SOIC packages. All versions are specified over the extended industrial temperature range of −40°C to +125°C.

Applications
  • Precision data acquisition systems
  • High resolution data converters
  • Medical instruments
  • Industrial process control systems
  • Optical control circuits
  • Precision instruments
Features and Benefits
  • Low noise (0.1 Hz to 10.0 Hz): 3.5 μV p-p @ 2.5 V output
  • No external capacitor required
  • Low temperature coefficient
    A Grade: 10 ppm/°C maximum
    B Grade: 3 ppm/°C maximum
  • 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
  • High output source and sink current: +30 mA and −20 mA
  • Wide temperature range: −40°C to +125°C
Linear Products
Data Sheets
Documentnote
ADR430/ADR431/ADR433/ADR434/ADR435: Ultralow Noise XFET Voltage References with Current Sink and Source Capability Data Sheet (Rev. M)PDF 1088 kB
Application Notes
Documentnote
AN-713: The Effect of Long-Term Drift on Voltage References (Rev. 0)PDF 237 kB
Product Highlight
Documentnote
Frequently Asked Questions
Documentnote
Order Information
Part NumberPackagePacking QtyTemp RangePrice 100-499Price 1000+RoHS
ADR430ARMZ Production8 ld MSOPOTH 50-40 to 125C3.182.96Y
ADR430ARMZ-REEL7 Production8 ld MSOPREEL 1000-40 to 125C02.96Y
ADR430ARZ Production8 ld SOICOTH 98-40 to 125C3.182.96Y
ADR430ARZ-REEL7 Production8 ld SOICREEL 1000-40 to 125C02.96Y
ADR430BRZ Production8 ld SOICOTH 98-40 to 125C5.174.34Y
ADR430BRZ-REEL7 Production8 ld SOICREEL 1000-40 to 125C04.34Y
ADR430/ADR431/ADR433/ADR434/ADR435: Ultralow Noise XFET Voltage References with Current Sink and Source Capability Data Sheet (Rev. M) adr430
AN-713: The Effect of Long-Term Drift on Voltage References (Rev. 0) ad580