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Product Detailed Parameters
- Description：IC VREF SERIES 0.2% SOT23-3
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tape & Reel (TR)
- Output Type：Fixed
- Voltage - Output (Min/Fixed)：4.5V
- Voltage - Output (Max)：-
- Current - Output：500 µA
- 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 MAX6045AEUR-T is a precision series voltage reference from the MAX6012 family, manufactured by Analog Devices. It provides a fixed output voltage of 4.5V with an initial accuracy of ±0.2% and a maximum temperature coefficient of 15ppm/°C. The device operates within an extended temperature range of -40°C to +85°C and draws a quiescent supply current of 35μA maximum. It supports sourcing and sinking up to 500μA of load current with a dropout voltage of 200mV at full load. The input voltage range extends from VOUT + 0.2V to 12.6V.
Feature Summary
- Proprietary curvature-correction circuit combined with laser-trimmed thin-film resistors ensures high precision and low temperature drift.
- Series-mode architecture eliminates the need for external biasing resistors and maintains supply current virtually independent of input voltage.
- Internally compensated design allows stability with capacitive loads ranging from 0 to 2.2nF without requiring external compensation components.
Applications
- Hand-Held Equipment
- Data Acquisition Systems
- Industrial and Process-Control Systems
- Battery-Operated Equipment
- Hard-Disk Drives
Procurement Notes
Verify the specific suffix 'T' indicates tape-and-reel packaging when ordering. Confirm the '+A' grade designation matches the required 0.2% initial accuracy specification. Ensure the manufacturer is identified as Analog Devices or Maxim Integrated to guarantee component authenticity and datasheet alignment.
Selection Notes
Select this part for applications requiring a stable 4.5V reference in space-constrained designs due to the SOT23-3 package. Consider the 35μA quiescent current for battery life optimization. Verify that the input voltage remains above the minimum dropout requirement of VOUT + 0.2V under all operating conditions.
Part Context
This component belongs to the MAX6012/MAX6021/MAX6025/MAX6030/MAX6041/MAX6045/MAX6050 family of precision, low-power, low-dropout voltage references. All members share identical pinouts, packages, and core architectural features, differing primarily in their fixed output voltage levels and corresponding line regulation specifications.
Replacement Considerations
MAX6045BEUR+T offers the same 4.5V output but with lower initial accuracy (±0.4%). MAX6041AEUR+T provides a 4.096V output with equivalent A-grade accuracy. MAX6050AEUR+T delivers a 5.0V output with similar performance characteristics.
