Product Overview: Texas Instruments TLV431BCDBZR

The TLV431BCDBZR from Texas Instruments is a precision low-voltage shunt voltage reference that provides a stable voltage reference with low temperature coefficients and low output noise. This device is part of the TLV431 series, which are pin-compatible with the industry-standard TL431 but with improved specifications that enhance overall system accuracy and stability.

Key Features

• Adjustable Output Voltage: This shunt voltage reference can be set to any value between Vref (approximately 1.24V) and 6V with the use of two external resistors. This flexibility makes it suitable for a wide range of applications.
• Low Voltage Operation: The TLV431BCDBZR operates from a low voltage of 1.24V, which is ideal for portable and battery-powered applications where power efficiency is critical.
• High Accuracy: With a typical temperature coefficient of only 6ppm/°C and an initial accuracy of 0.5%, this device provides precise voltage regulation, essential for sensitive electronic circuits.
• Low Dynamic Output Impedance: The dynamic output impedance of 0.22 ohms (typical) contributes to stable voltage supply even with varying load conditions.
• Low Output Noise: It features a low output noise characteristic, making it suitable for noise-sensitive applications such as precision amplifiers and ADC reference inputs.

Applications

The TLV431BCDBZR is versatile and can be used in various applications including:

• Portable and battery-powered electronics
• Power supplies
• Notebook computers
• Adjustable voltage references
• Data acquisition systems
• Instrumentation

Package and Quality

The device comes in a small SOT-23 package, which is suitable for space-constrained applications. The package is RoHS compliant and is designed for surface-mount technology (SMT), facilitating easy integration into automated manufacturing processes. Texas Instruments ensures high-quality standards, and the TLV431BCDBZR is no exception, offering reliable performance for precision voltage regulation needs.

With its combination of features, the TLV431BCDBZR voltage reference from Texas Instruments stands out as an excellent choice for designers looking for a reliable and flexible solution to maintain voltage accuracy in their electronic systems.