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Product Detailed Parameters
- Description：IC VREF SERIES 0.2% SOT23-3
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- 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：TO-236-3, SC-59, SOT-23-3
- Supplier Device Package：SOT-23-3
- Grade：-
- Qualification：-
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Overview
The REF3130AIDBZT is a precision series voltage reference IC manufactured by Texas Instruments, housed in a compact SOT-23-3 surface-mount package. It provides a fixed output voltage of 3V with an initial accuracy tolerance of ±0.2%. The device operates within an input voltage range of 3.05V to 5.5V and draws a supply current of 135µA. It features a temperature coefficient of 20ppm/°C and supports a maximum load current of 10mA. The component functions reliably across an extended operating temperature range from -40°C to +125°C.
Feature Summary
- Delivers high-precision fixed voltage output with tight initial accuracy tolerance for sensitive measurement circuits.
- Operates with low quiescent current consumption suitable for battery-powered and portable applications.
- Maintains stability under capacitive loads without requiring external compensation components.
Applications
- Portable battery-powered instrumentation
- Data acquisition systems
- Medical devices
Procurement Notes
Verify the complete part number including suffixes such as 'DBZR' or 'DBZT' to ensure correct packaging configuration. Confirm that the specific order quantity matches the manufacturer's minimum reel requirements if purchasing in bulk. Check RoHS compliance status and moisture sensitivity level prior to assembly planning.
Selection Notes
Select this component when a stable 3V reference is required in space-constrained designs. Consider the ±0.2% initial accuracy and 20ppm/°C drift characteristics against system error budgets. Ensure the input voltage remains within the specified 3.05V to 5.5V window for proper regulation.
Part Context
This device belongs to the REF31xx family of low-power, low-dropout series voltage references. The family shares common architectural features including micro-size packaging and high thermal stability. Variants within the series differ primarily in output voltage levels while maintaining similar performance metrics regarding noise and current consumption.
Replacement Considerations
Direct substitutes include other parts from the same REF31xx family with different fixed output voltages, such as REF3120 or REF3133, provided the voltage requirement aligns with the application design.
