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The ADR390, ADR391, ADR392, and ADR395 are precision 2.048 V, 2.5 V, 4.096 V, and 5 V band gap voltage references, respectively, featuring low power and high precision in a tiny footprint. Using ADI's patented temperature drift curvature correction techniques, the ADR39x references achieve a low 9 ppm/°C of temperature drift in the TSOT package.
The ADR39x family of micropower, low dropout voltage references provides a stable output voltage from a minimum supply of 300 mV above the output. Their advanced design eliminates the need for external capacitors, which further reduces board space and system cost. The combination of low power operation, small size, and ease of use makes the ADR39x precision voltage references ideally suited for battery operated applications.
ADR390 Maximum Ratings
Parameter
Rating
Supply Voltage
18 V
Output Short-Circuit Duration to GND
See derating curves
Storage Temperature Range
65°C to +125°C
Operating Temperature Range
40°C to +125°C
Junction Temperature Range
65°C to +125°C
Lead Temperature Range(Soldering, 60 sec)
300°C
ADR390 Features
Compact TSOT-23-5 packages Low temperature coefficient B grade: 9 ppm/°C A grade: 25 ppm/°C Initial accuracy B grade: ±4 mV maximum A grade: ±6 mV maximum Ultralow output noise: 5 V p-p (0.1 Hz to 10 Hz) Low dropout: 300 mV Low supply current 3 A maximum in shutdown 120 A maximum in operation No external capacitor required Output current: 5 mA Wide temperature range −40°C to + 125°C
ADR390 Typical Application
Battery-powered instrumentation Portable medical instrumentation Data acquisition systems Industrial process controls Automotive