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The Texas Instruments TL1431QDREP is an enhanced-product precision adjustable shunt reference designed for demanding applications. It provides a stable and accurate voltage reference with an initial accuracy of 0.4% and a wide adjustable output voltage range from 2.5V to 36V. The device features a low reference current and a typical output impedance of 0.2Ω, ensuring efficient operation.
Specified for thermal stability over the military temperature range of -55°C to 125°C, the TL1431QDREP is suitable for defense, aerospace, and medical applications. Its active output circuitry ensures a fast turn-on characteristic of 500 ns. The device is available in a SOIC (D) package, measuring 4.9 mm × 6 mm with an area of 29.4 mm².
Key electrical characteristics include a maximum temperature coefficient of 114 ppm/°C and a sink current capability of 1 to 100 mA. The TL1431QDREP supports defense, aerospace, and medical applications with a controlled baseline, single assembly and test site, and single fabrication site. It also offers extended product life cycle and product-change notification.
The adjustable output voltage range is from 2.5V to 36V.
It is available in an SOIC (D) package with dimensions 4.9mm x 6mm.
-55°C to 125°C.
The maximum initial voltage tolerance is 0.4%.
The minimum regulation current is 450µA.
The maximum temperature coefficient is 114ppm/°C.
The sink current capability ranges from 1mA to 100mA.