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Product Detailed Parameters
- Description:IC VREF SHUNT PREC 4.096V SOT23
- Series:-
- Mfr:Analog Devices Inc.
- Package:Bulk
- Output Type:-
- Voltage - Output (Min/Fixed):-
- Voltage - Output (Max):-
- Current - Output:-
- Operating Temperature:-
- 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 ADR540ARTZ-REEL7 is a high precision shunt voltage reference manufactured by Analog Devices Inc. It provides a nominal output voltage of 4.096 V with an initial accuracy of ±0.2%. The device features a maximum temperature coefficient of 40 ppm/°C and operates within an industrial temperature range of −40°C to +85°C. It requires an operating current between 50 μA and 15 mA, exhibits low output voltage noise of 30 μV p-p from 0.1 Hz to 10 Hz, and includes a trim terminal for adjusting the output voltage over a ±0.5% range without affecting the temperature coefficient.
Feature Summary
- Ultracompact SC70 and SOT-23-3 packages designed for space-critical applications
- Low temperature drift of 40 ppm/°C with initial accuracy better than ±0.2%
- Trim terminal allows adjustment of output voltage over a ±0.5% range
- Operates without requiring an external compensation capacitor
Applications
- Portable, battery-powered equipment
- Automotive systems
- Data acquisition systems
- Instrumentation and process control
- Energy measurement
Procurement Notes
Verify the specific package option (SOT-23-3) and RoHS compliance status indicated by the Z suffix against the manufacturer's ordering guide. Confirm that the Grade B specifications align with system requirements for initial accuracy and temperature coefficient. Ensure the operating current limits are compatible with the bias resistor design in the target circuit.
Selection Notes
Select this component when a precise 4.096 V reference is required in a small footprint. The Grade B variant offers superior temperature stability compared to Grade A options. Consider the available trim terminal if system calibration is necessary to compensate for board-level errors or load variations.
Part Context
This part belongs to the ADR520/ADR525/ADR530/ADR540/ADR550 series of high precision shunt voltage references. These devices utilize a band gap concept to produce stable references suitable for high accuracy data acquisition components. The series is designed to operate without external capacitors while remaining stable with any capacitive load.
Replacement Considerations
The datasheet indicates pin compatibility with the LM4040/LM4050 series.
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