ADR293 Datasheet | Analog Devices

FEATURES 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 m A Temperature range: - 40°C to +125°C Pin-patible with the REF02/REF19x APPLICATIONS Portable instrumentation Precision reference for 5 V systems ADC and DAC reference Solar-powered applications Loop-current powered instruments GENERAL DESCRIPTION The ADR293 is a low noise, micropower precision voltage reference that utilizes an XFET® (e Xtra 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 longterm 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 m V, ±6 m V, and ±10 m V. Temperature coefficients for the three grades are 8 ppm/°C, PIN CONFIGURATIONS NC 1 8 NC VIN 2 ADR293 7 NC TOP VIEW NC 3 (Not to Scale) 6 VOUT GND 4 5 NC 00164-001 NC = NO CONNECT Figure 1. 8-Lead Narrow Body SOIC (R-8) NC 1 VIN 2 NC 3 GND 4 TOP VIEW (Not to Scale) 8 NC 7 NC 6 VOUT 5 NC NC = NO CONNECT Figure 2. 8-Lead TSSOP (RU-8) 00164-002 15 ppm/°C, and 25 ppm/°C maximum. Line regulation and load regulation are typically 30 ppm/V and 30 ppm/m A, 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. Table 1. ADR29x Products Device ADR291 ADR292 ADR293 Output Voltage (V) 2.500 4.096 5.000 Initial Accuracy (%) 0.08,...