
( Brand: Texas Instruments ), ( Manufacturer Part Number: TL1431QLPR )
The Texas Instruments TL1431QLPR is a precision voltage shunt that offers exceptional accuracy and reliability for a wide range of applications. This device is designed to measure current accurately and provide a voltage output proportional to the current flowing through it.
The TL1431QLPR is a 100mOhm shunt, making it ideal for measuring low to medium currents. It features a high input impedance, which helps to minimize load effects on the circuit it is connected to. The shunt is constructed using high-quality materials, ensuring long-term stability and resistance to corrosion.
The TL1431QLPR is equipped with Texas Instruments' proprietary TLC2471 low-noise, high-precision operational amplifier. This amplifier provides excellent gain accuracy, low drift, and low noise, ensuring reliable and accurate voltage output. The shunt also features a low power consumption of 11mA at 5V, making it suitable for battery-powered applications.
The TL1431QLPR is housed in a small, compact package with a TO-92 case. It is RoHS compliant, ensuring environmentally friendly manufacturing processes. The device is available in a variety of temperature ranges, from -55 C to 125 C, making it suitable for use in a wide range of environments.
In conclusion, the Texas Instruments TL1431QLPR is a high-performance precision voltage shunt that offers excellent accuracy, reliability, and stability. Its low power consumption, compact size, and wide temperature range make it an ideal choice for a variety of current measurement applications.
Pros of buying a TI TL1431QLPR Precision Shunt:1. High Accuracy: This shunt offers a high accuracy of 0.02% at 25 C, making it suitable for applications that require precise voltage measurement.
2. Wide Operating Temperature Range: The shunt operates over a wide temperature range of -55 C to 150 C, making it suitable for a variety of environmental conditions.
3. Low Noise: The TL1431QLPR has a low noise level of 40 nV/ Hz at 1 kHz, which is beneficial in applications that require high-precision voltage measurement.
4. Compact Size: The shunt is compact in size, making it easy to integrate into various circuits.
5. High Linearity: This shunt has a high linearity of 0.002% over the full range, ensuring consistent and accurate results.
Cons of buying a TI TL1431QLPR Precision Shunt:1. Higher Cost: Compared to other shunts, the TL1431QLPR is a more expensive option due to its high precision and accuracy.
2. Requires External Sense Amplifier: The shunt requires an external sense amplifier to operate, which may add to the overall cost and complexity of the circuit.
3. Limited Current Range: The TL1431QLPR is designed for lower current ranges (up to 50 A), which may not be suitable for high-current applications.
Conclusion:The TI TL1431QLPR Precision Shunt is a high-quality, high-precision shunt that is suitable for applications requiring precise voltage measurement. Its wide operating temperature range, low noise, and high linearity make it a versatile option for various applications. However, its higher cost and requirement for an external sense amplifier are potential drawbacks. If cost is not a concern and the application requires high precision, the TL1431QLPR is an excellent choice. If cost is a concern or the current range is higher, other shunt options may be more suitable.
68mm length : 4.