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Product Detailed Parameters
- Description：IC VREF SHUNT 3% SOT23
- Series：-
- Mfr：Diodes Incorporated
- Package：Bulk
- Output Type：Fixed
- Voltage - Output (Min/Fixed)：1.225V
- Voltage - Output (Max)：-
- Current - Output：12 mA
- Operating Temperature：-40°C ~ 125°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 ZXRE4041FR is a micropower voltage reference IC manufactured by Diodes Incorporated, housed in an SOT23 package. It provides a nominal output of 1.225V with a typical temperature coefficient of 20ppm/°C and operates within a current range of 30µA to 12mA. The device offers tolerance grades of 0.5%, 1%, and 2% (C, D, and E grades respectively). Key electrical parameters include a reverse dynamic impedance of 0.6Ω at 1mA and wideband noise of 60µV(rms) between 10Hz and 10kHz.
Feature Summary
- Unconditionally stable operation without requiring external capacitors
- Micropower design featuring a low knee current of 30µA
- High precision performance with a typical temperature coefficient of 20ppm/°C
Applications
- Battery powered equipment
- Precision power supplies
- Portable instrumentation
- Data acquisition systems
- A/D and D/A converters
Procurement Notes
Verify the specific suffix letter (e.g., C, D, or F) to confirm the required voltage tolerance grade for your application. Confirm that the FR designation corresponds to the standard tape-and-reel packaging format intended for automated surface-mount assembly processes.
Selection Notes
Select this component when space constraints require a small SOT23 footprint alongside high stability. It serves as a direct pin-compatible alternative to LM4041 references. Ensure the operating current remains within the specified 30µA to 12mA range to maintain optimal performance and accuracy.
Part Context
This device belongs to the ZXRE4041 family of bandgap voltage references designed for precision applications. It utilizes a specialized circuit architecture to achieve low power consumption while maintaining excellent thermal stability across the industrial temperature range.
Replacement Considerations
LM4041
FAQ
Is the ZXRE4041FR unconditionally stable?
Yes, the datasheet specifies that the device is unconditionally stable and does not require an external capacitor for proper operation.
What is the minimum operating current for this reference?
The minimum operating current (knee current) is specified as 30µA.
