TL4051CQDBZT

Noise - 0.1Hz to 10Hz:	--
Base Part Number:	TL4051C
Supplier Device Package:	SOT-23-3
Package / Case:	TO-236-3, SC-59, SOT-23-3
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TA)
Current - Cathode:	75µA
Current - Supply:	--
Voltage - Input:	--
Noise - 10Hz to 10kHz:	20µVrms
Series:	--
Temperature Coefficient:	50ppm/°C
Tolerance:	±0.5%
Current - Output:	12mA
Voltage - Output (Max):	10V
Voltage - Output (Min/Fixed):	1.212V
Output Type:	Adjustable
Reference Type:	Shunt
Part Status:	Discontinued at Digi-Key
Packaging:	Tape & Reel (TR)

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TL4051CQDBZT Application Field and Working PrincipleTL4051CQDBZT is a high-precision, high-accuracy shunt voltage reference device, developed and manufactured by Texas Instruments. In a nutshell, it is a part of the PMIC family – Voltage References.Generally, a voltage reference is an electronic device specifically designed to generate a highly accurate and stable reference voltage. A voltage reference is designed to act as a "current source", to provide a constant voltage at its output, regardless of changes in the load current delivered through it or any fluctuation in its DC power supply. This device is a shunt voltage reference, meaning that the reference is obtained by electrically connecting a reference diode in the battery or power supply line. Compared to traditional voltage references, the TL4051CQDBZT is configured in a Dual-supply op amp configuration, which provides distinct voltage references between two independent power supply pins. This device uses a wide range of voltage references configurations to provide better overall accuracy and supply rail flexibility. The TL4051CQDBZT offers a exceptionally low temperature drift and high load current, giving it superior performance for applications such as precision voltage referencing, creating noise-free power supplies, and voltage references for operational amplifiiers.In terms of the application field, the TL4051CQDBZT is most commonly used in the medical, industrial, and automotive fields, as such applications often require high accuracy and stability in measuring a range of electrical signals and parameters. The medical field uses this device in medical instrumentation equipment, to improve accuracy and make sure the data is as accurate as possible. The industrial field can take advantage of this device in a lot of industrial applications, such as process control and automation, measuring precise output in motors, generators and other equipment, and controlling precise temperature sensors and user controls. In the automotive field, this device can be used to protect the control modules, climate control systems and motor control units from voltage shocks and transients, improve the accuracy of sensors and subsystems, and extend the overall system reliability and performance.In terms of its working principle, the TL4051CQDBZT has a dual NPN bipolar junction transistor (BJT) setup, with an operating junction temperature range of -55℃ to +125℃, and a maximum die temperature of +150℃. Its reference voltage is generated with two BJT transistors, connected on the same substrate according to their load current. The load current for this device is fixed, and the output voltage is determined by the reference voltage and the load current. The reference voltage of this device is precisely calibrated, and will remain stable even under changing temperature and load conditions. The output voltage of the device depends on the input and output voltages, as well as the thermally-stable reference voltage, which reduces temperature and load-dependent variation in the output voltage. As mentioned before, the TL4051CQDBZT has an exceptionally low temperature drift and high load current, which makes it ideal for applications requiring an accurate and stable reference voltage. It is compact, cost-effective and easy to use, and is highly capable of increasing accuracy and decreasing system complexity in any application.

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