Datasheet for ADR291FRZ:
- Manufacturer Part Number : ADR291FRZ
- Manufacturer : AD
- Description : Low Noise Micropower Precision Voltage Reference (2.5 V) IC
- Series : ADR291
- Reference Price : USD 2.208
- Our Price : We have a better price, contact us by email
- Product Type : Voltage References
- Function : Micropower Voltage References
- Current Suggest : Production
- Status : Production
- ROHS Status : ROHS Compliant (Lead Free)
- Package Type : 8-Lead SOIC
- Pins : 8
- MFG Package Case : R-8
- Part Type : OTH
- Standard Packing Type : Tube
- Standard Packing Quantity : 98
- Working Temperature : -40 to 125C
- Other Part Number : ADR291FRZ
- Shipping methods : DHL FEDEX UPS TNT
- Delivery Time : Ship within 1 day.
- Manufacturer Production time : 6-8 weeks (Normally have stocks)
- Weight : 0.001KG
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- Supply Range
2.8 V to 15 V, ADR291
4.4 V to 15 V, ADR292 - Supply Current 12 µA Max
- Low-Noise 8 µV and 12 µV p-p
(0.1 Hz to 10 Hz)
The ADR291 and ADR292 are low noise, micropower precision voltage references that use an XFET® reference circuit. The new 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 ADR291/ADR292 family is a series of voltage references providing stable and accurate output voltages from supplies as low as 2.8 V for the ADR291. Output voltage options are 2.5 V and 4.096 V for the ADR291 and ADR292, respectively.
Quiescent current is only 12 μA, making these devices ideal for battery-powered instrumentation. Three electrical grades are available offering initial output accuracies of ±2 mV, ±3 mV, and ±6 mV maximum for the ADR291, and ±3 mV, ±4 mV, and ±6 mV maximum for the ADR292. Temperature coefficients for the three grades are 8 ppm/°C, 15 ppm/°C, and 25 ppm/°C maximum, respectively. Line regulation and load regulation are typically 30 ppm/V and 30 ppm/mA, maintaining the reference’s overall high performance. For a device with 5.0 V output, refer to the ADR293 data sheet.
The ADR291 and ADR292 references are specified over the extended industrial temperature range of −40°C to +125°C. Devices are available in the 8-lead SOIC, 8-lead TSSOP, and 3-lead TO-92 packages.
Applications
- Portable instrumentation
- Precision reference for 3 V and 5 V systems
- Analog-to-digital and digital-to-analog converter reference
- Solar-powered applications
- Loop-current-powered instruments
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.