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Product Detailed Parameters
- Description：IC VREF SERIES 0.2% SOT23-3
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR)
- Output Type：Fixed
- Voltage - Output (Min/Fixed)：4.096V
- Current - Output：25 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 REF3040AIDBZRG4 is a precision, low-power, low-dropout voltage reference from Texas Instruments. It provides a fixed output of 4.096 V with an initial accuracy of 0.2%. The device operates within an input voltage range up to 5.5 V and draws a maximum supply current of 50 uA. It features a temperature coefficient of 100 ppm/°C across the industrial operating temperature range of -40°C to +125°C. The component is housed in a compact SOT-23-3 package suitable for surface-mount applications.
Feature Summary
- Provides a stable 4.096 V series voltage reference output
- Operates with ultra-low quiescent current consumption
- Maintains stability without requiring external load capacitors
- Designed for high precision in space-constrained environments
Applications
- Loop-powered industrial process control transmitters
- Portable battery-operated measurement instruments
- Data acquisition systems requiring precise analog references
- Pressure and temperature sensor signal conditioning
Procurement Notes
Verify the specific suffix 'G4' indicates RoHS compliance and lead-free construction as per manufacturer standards. Confirm the package designation matches the required SOT-23-3 footprint for PCB layout compatibility. Ensure the operating environment stays within the specified -40°C to +125°C thermal limits to maintain the stated 100 ppm/°C temperature coefficient performance.
Selection Notes
Select this component when a fixed 4.096 V reference is required with tight initial accuracy of 0.2%. It is suitable for designs prioritizing low power consumption under 50 uA. Consider the 100 ppm/°C drift specification against application thermal variations. The SOT-23-3 package offers a small form factor for dense circuit board layouts.
Part Context
This part belongs to the REF30xx family of micropower voltage references. It shares the same core architecture and pinout with the REF3040AIDBZR but includes the 'G4' suffix denoting Green/RoHS-compliant manufacturing. It serves as a direct replacement for legacy versions while adhering to modern environmental regulations.
Replacement Considerations
The REF3040AIDBZR is the non-RoHS equivalent version with identical electrical specifications. Verify that any substitute maintains the 4.096 V output and SOT-23-3 package dimensions for mechanical interchangeability.
