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Product Detailed Parameters
- Description：IC VREF SHUNT 0.5% SOT23-3
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Type：Fixed
- Voltage - Output (Min/Fixed)：3V
- Voltage - Output (Max)：-
- Current - Output：2 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 MAX6009BEUR+T is a precision shunt voltage reference with a fixed +3.0V output, housed in a 3-pin SOT-23 package. It operates within a wide current range of 1µA to 2mA and maintains an initial accuracy of ±0.5%. The device features a temperature coefficient of 75ppm/°C over the -40°C to +85°C operating range. Low-frequency noise is specified at 75µVP-P from 0.1Hz to 10Hz, and reverse dynamic impedance is typically 2.2Ω.
Feature Summary
- Ultra-low power consumption with guaranteed minimum operating current below 1µA
- Factory-trimmed for high initial voltage accuracy
- Space-saving three-terminal surface-mount packaging
Applications
- Battery-powered equipment
- Portable meters
- Precision regulators
- A/D and D/A converters
Procurement Notes
Verify the specific suffix 'B' indicates the 0.5% accuracy grade and 75ppm/°C temperature coefficient variant. Confirm the '+T' designation corresponds to tape-and-reel packaging. Ensure the component meets RoHS compliance requirements for your assembly process. Cross-reference the datasheet revision date against your design specifications.
Selection Notes
Select this part when a stable 3.0V reference is required in space-constrained designs. It serves as a lower-power, higher-precision alternative to legacy references like the LM4040. Consider the B-grade specifications if tighter tolerances are not critical. Evaluate the low bias current requirement against the system's minimum load needs.
Part Context
This component belongs to the MAX6006–MAX6009 family of ultra-low-power shunt references. While other members offer different voltages or A-grade performance, the MAX6009 specifically provides a 3.0V output. The BEUR+T designation identifies the B-grade version in a standard SOT-23 reel format.
Replacement Considerations
The datasheet lists ICL8069, LM385, LT1004, and LM4040 as legacy references that can be upgraded by this device. Verify pinout compatibility and thermal derating characteristics before substituting these older components.
