TL431QDR

Noise - 0.1Hz to 10Hz:	--
Base Part Number:	TL431
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TA)
Current - Cathode:	1mA
Current - Supply:	--
Voltage - Input:	--
Noise - 10Hz to 10kHz:	--
Series:	--
Temperature Coefficient:	--
Tolerance:	±2.2%
Current - Output:	100mA
Voltage - Output (Max):	36V
Voltage - Output (Min/Fixed):	2.495V
Output Type:	Adjustable
Reference Type:	Shunt
Part Status:	Active
Packaging:	Tape & Reel (TR)

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PMIC - Voltage Reference: TL431QDR Application Field and Working Principle

Voltage references are used in many different applications and are among the most versatile of all integrated circuit devices. They are used to provide a stable reference voltage that can be used for engineering calculations, to power analog circuits and transistors, to provide a level-shifting function, and to perform analog-to-digital conversion. The TL431QDR (Quad-Rail Voltage Reference) is a type of voltage reference that has been developed specifically to meet the needs of applications where multiple power supply and associated ground references are required. In this article, we\'ll look at the working principle and application field of the TL431QDR.The TL431QDR is a voltage reference device composed of four independent voltage references, each with its own dedicated ground reference. The rail voltages of the four separate supplies can be independently adjusted to two different rail voltages, allowing a wide range of potential application scenarios. Furthermore, the voltage references have low reference voltages, allowing their use in low-voltage applications.The TL431QDR operates by utilizing bandgap circuit architecture; specifically, a bandgap generator is used to generate the rail voltage, and an analog multiplexer is used to provide the proper voltage for the output. The voltage references are temperature-compensated, meaning that the reference voltage will remain constant regardless of the operating temperature. This ensures a high level of accuracy and stability, which is essential in areas such as power supply design.When it comes to applications, the TL431QDR is suitable for a variety of different applications. It can be used in power supply design, where multiple ground references must be provided at the same time. In motor control and robotics, it can be used to provide multiple levels-shifting voltages, enabling complex control structures. In sensing, it can be used for providing accurate reference voltages for signal conditioning and signal processing.Furthermore, the TL431QDR can be used in Analog-to-Digital Converters (ADCs) and Digital-to-Analog Converters (DACs) for providing the necessary reference voltages for signal conversion. In this context, it can be used in conjunction with other components such as a digital potentiometer to provide user-adjustable gain and attenuation.Overall, the TL431QDR is a versatile and reliable voltage reference device. It can be used in a wide range of applications, and its temperature-compensated feature allows for consistency and accuracy in its output voltage. As a result, the TL431QDR is an ideal choice for power supply design, motor control, robotics, sensing, and signal conversion.

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