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Product Detailed Parameters
- Description：IC VREF SERIES 0.5% SOT23-5
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tape & Reel (TR)
- Output Type：Fixed
- Voltage - Output (Min/Fixed)：1.25V
- Voltage - Output (Max)：-
- Current - Output：5 mA
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：SC-74A, SOT-753
- Supplier Device Package：SOT-23-5
- Grade：-
- Qualification：-
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Overview
The MAX6037CAUK12+T is a low-dropout, micropower voltage reference with a fixed output of 1.25V and an initial accuracy of ±0.5%. It operates from a 2.5V to 5.5V supply, consuming 275µA maximum quiescent current. The device features a shutdown mode reducing current to under 500nA, a temperature coefficient of 50ppm/°C, and dropout voltage of 100mV at 1mA. It supports sourcing and sinking 5mA load current within a -40°C to +125°C automotive temperature range.
Feature Summary
- Active-low shutdown functionality reduces quiescent current below 500nA
- Low dropout voltage enables operation in low-voltage battery applications
- Capable of sourcing and sinking up to 5mA of load current
- Specified for the full automotive temperature range
Applications
- Medical Equipment
- Portable Equipment
- Wireless LAN
- Precision Regulators
Procurement Notes
Verify the component authenticity by checking the top marking AEIX against the datasheet selector guide. Confirm the suffix +T indicates lead-free packaging and tape-and-reel delivery. Ensure the ordering part number matches the specific grade requirements for your design before finalizing procurement.
Selection Notes
Select this part when a fixed 1.25V reference with moderate accuracy is required. The CA grade offers ±0.5% initial accuracy and 50ppm/°C temperature coefficient. Consider the shutdown pin if power conservation is critical. Verify that the input voltage remains above the minimum specified level for reliable turn-on.
Part Context
This component belongs to the MAX6037 family of series-mode voltage references manufactured by Analog Devices / Maxim Integrated. The family includes adjustable versions and other fixed output variants such as 2.048V and 3.3V. All devices share the same SOT23-5 package and architectural features, differing primarily in output voltage and accuracy grades.
Replacement Considerations
Compatible substitutes within the same family include MAX6037AAUK12+T (0.2% accuracy) and MAX6037BAUK12+T (0.3% accuracy). These parts maintain identical pinouts and electrical characteristics except for tighter tolerance specifications.
