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The TL4050A25IDBZR is a precision micropower shunt voltage reference manufactured by Texas Instruments. It provides a fixed output voltage of 2.5 V with an initial accuracy of ±0.1%. The device operates within a temperature range of -40°C to +125°C and features a temperature coefficient of 50 ppm/°C. It is housed in a SOT-23-3 surface-mount package. The maximum cathode current is 65 µA, while the maximum shunt current capability is 15 mA.
Verify the specific suffix IDBZR corresponds to the SOT-23-3 package and tape-and-reel delivery format. Confirm that the A-grade designation matches the required ±0.1% initial accuracy for your design. Ensure the component meets RoHS compliance standards if mandated by your project requirements.
Select this component when a fixed 2.5 V reference with high accuracy is needed in a compact footprint. The micropower characteristic makes it suitable for battery-operated equipment where minimizing standby current is critical. Verify that the thermal environment remains within the specified operating temperature limits.
This part belongs to the TL4050 series of precision shunt voltage references from Texas Instruments. The series offers various output voltages and accuracy grades to suit different application needs. The TL4050A variant specifically targets high-precision requirements compared to standard grade options.
Check for direct substitutes such as the LM4040 or LM4050 series from Texas Instruments. Other manufacturers may offer compatible shunt references, but pinout and electrical parameter matching must be verified before substitution.