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Product Detailed Parameters
- Description：IC VREF SERIES 0.02% 8SOIC
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tube
- Output Type：Fixed
- Voltage - Output (Min/Fixed)：3V
- Voltage - Output (Max)：-
- Current - Output：10 mA
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- Grade：-
- Qualification：-
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Overview
The MAX6126AASA30+T is a series voltage reference from Analog Devices/Maxim Integrated, housed in an 8-pin SOIC package. It provides a fixed output of 3V with an initial accuracy of ±0.02% and a maximum temperature coefficient of 1ppm/°C over the -40°C to +125°C automotive range. The device operates on a supply voltage up to 13V, draws typically 380µA, and supports sink/source currents up to 10mA.
Feature Summary
- Features curvature-correction circuitry and laser-trimmed thin-film resistors for high precision.
- Provides independent force and sense outputs (OUTF/OUTS) for remote sensing applications.
- Operates with low dropout voltage and virtually constant supply current regardless of input voltage.
Applications
- High-Resolution A/D and D/A Converters
- ATE Equipment
- Precision Current Sources
Procurement Notes
Verify the specific suffix 'T' indicates tape-and-reel packaging when sourcing. Confirm the 'A' grade designation matches the required ±0.02% accuracy and 1ppm/°C tempco specifications. Ensure the manufacturer is identified as Analog Devices or Maxim Integrated for compatibility.
Selection Notes
Select this component for designs requiring ultra-low noise and high stability in harsh environments. The wide supply range and low quiescent current make it suitable for battery-powered systems. Verify that the load capacitance requirements between 0.1µF and 10µF are met for stability.
Part Context
This part belongs to the MAX6126 family of ultra-high-precision, ultra-low-noise series voltage references. The family includes various output voltages and packages, such as µMAX and SOIC, catering to different space and performance constraints within industrial and automotive applications.
Replacement Considerations
Check for MAX6126AASA30+ without the reel suffix if tube packaging is preferred. Other grades like B offer lower accuracy but may be available depending on stock status.
FAQ
How can wideband noise be improved?
Adding a 0.1µF capacitor to the Noise Reduction (NR) pin improves wideband noise and AC power-supply rejection.
What is the purpose of the OUTS and GNDS pins?
These pins provide Kelvin connections for remote sensing, allowing the cancellation of voltage drops in the lines connecting the reference to the load.
