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Product Detailed Parameters
- Description:IC VREF SERIES 0.24% SOT23-3
- Series:ADR38
- Mfr:Analog Devices Inc.
- Package:Tape & Reel (TR),Cut Tape (CT)
- Output Type:Fixed
- Voltage - Output (Min/Fixed):2.5V
- Voltage - Output (Max):-
- Current - Output:5 mA
- Operating Temperature:-40°C ~ 85°C (TA)
- Mounting Type:Surface Mount
- Package / Case:TO-236-3, SC-59, SOT-23-3
- Supplier Device Package:SOT-23-3
- Grade:-
- Qualification:-
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Overview
The ADR381ARTZ-R2 is a precision band gap voltage reference providing a nominal output of 2.500 V in a 3-lead SOT-23 package. It features an initial accuracy error of ±6 mV (±0.24%) and a maximum temperature coefficient of 25 ppm/°C across the −40°C to +85°C range. The device operates with a supply voltage from 2.8 V to 18 V, drawing a maximum quiescent current of 120 μA. It supports up to 5 mA load current with a minimum dropout voltage of 300 mV.
Feature Summary
- Patented temperature drift curvature correction techniques minimize nonlinearity of voltage change over temperature.
- Micropower low dropout architecture enables stable operation from supplies as low as 300 mV above the output voltage.
- High output current capability allows sourcing up to 5 mA while maintaining specified accuracy.
Applications
- Battery-powered instrumentation
- Portable medical instruments
- Data acquisition systems
- Industrial process control systems
Procurement Notes
Verify the specific ordering suffix R2 indicates a cut tape quantity of 250 units, distinct from the REEL7 variant which contains 3,000 units. Confirm the RoHS compliant status marked by the Z suffix. Ensure the component matches the RT-3 package option branding for the ADR381 series before integration into production designs.
Selection Notes
Select this component when a fixed 2.500 V reference is required with high stability and low power consumption. The ADR381 is suitable for applications needing a wider input voltage range compared to lower voltage references. Consider the 3-lead SOT-23 footprint for space-constrained PCB layouts requiring surface-mount installation.
Part Context
This part belongs to the ADR38x family of precision voltage references manufactured by Analog Devices. It shares architectural similarities with the ADR380 but provides a different nominal output voltage. The family utilizes patented curvature correction to achieve low drift performance in a compact form factor suitable for portable electronics.
Replacement Considerations
ADR381ARTZ-REEL7
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