ADR293 Low Noise, Micropower 5.0 V Precision Voltage Reference
The ADR293 is a low noise, micropower precision voltage reference that utilizes an XFET® (eXtra implanted junction FET) reference circuit. The XFET architecture offers significant performance improvements over traditional band gap and buried Zener-based references. Improvements include one quarter the voltage noise output of band gap references operating at the same current, very low and ultralinear temperature drift, low thermal hysteresis, and excellent long-term stability.
The ADR293 is a series voltage reference providing stable and accurate output voltage from a 6.0 V supply. Quiescent current is only 15 μA maximum, making this device ideal for battery powered instrumentation. Three electrical grades are available offering initial output accuracy of ±3 mV, ±6 mV, and ±10 mV. Temperature coefficients for the three grades are 8 ppm/°C, 15 ppm/°C, and 25 ppm/°C maximum. Line regulation and load regulation are typically 30 ppm/V and 30 ppm/mA, respectively, maintaining the reference’s overall high performance.
The ADR293 is specified over the extended industrial temperature range of –40°C to +125°C. This device is available in the 8-lead SOIC and 8-lead TSSOP packages.
The ADR293-EP support defense and aerospace applications (AQEC).
Applications
- Portable instrumentation
- Precision reference for 5 V systems
- ADC and DAC reference
- Solar-powered applications
- Loop-current powered instruments
Features and Benefits- 6.0 V to 15 V supply range
- Supply current: 15 μA maximum
- Low noise: 15 μV p-p typical (0.1 Hz to 10 Hz)
- High output current: 5 mA
- Temperature range: −40°C to +125°C
- Pin-compatible with the REF02/REF19x
- Download ADR293-EP Data Sheet (pdf)
- Military temperature range (−55°C to +125°C)
- Controlled manufacturing baseline
- 1 assembly/test site
- 1 fabrication site
- Enhanced product change notification
- Qualification data available on request
- V62/12641 DSCC Drawing Number
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Data Sheets
Application Notes
Frequently Asked Questions
Order Information
| Part Number | Package | Packing Qty | Temp Range | Price 100-499 | Price 1000+ | RoHS |
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| ADR293ERZ Production | 8 ld SOIC | OTH 98 | -40 to 125C | 8.06 | 7.55 | Y |
| ADR293ERZ-REEL Production | 8 ld SOIC | REEL 2500 | -40 to 125C | 0 | 7.36 | Y |
| ADR293GRZ Production | 8 ld SOIC | OTH 98 | -40 to 125C | 2.2 | 2.05 | Y |
| ADR293GRZ-REEL7 Production | 8 ld SOIC | REEL 1000 | -40 to 125C | 0 | 2.05 | Y |
| ADR293TRU-EP Production | 8 ld TSSOP | OTH 96 | -55 to 125C | 5.14 | 4.74 | N |
| ADR293TRU-EP-R7 Production | 8 ld TSSOP | REEL 1000 | -55 to 125C | 0 | 4.74 | N |
