LM4050BEX3-2.5+T Integrated Circuits (ICs)

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The LM4050BEX3-2.5+T is a precision micropower voltage reference from Texas Instruments that belongs to the PMIC – Voltage Reference product family. This reference is guaranteed to operate from –40°C to +125°C over the entire industrial temperature range. The ultra low quiescent current of 560 nA allows the LM4050 to be used in portable, battery-powered applications. With output temperature coefficient of 200 ppm/°C and accuracy of 6 mV, the LM4050 provides steady and reliable reference voltage in a small thermally enhanced SOIC-8 package.

The LM4050BEX3-2.5+T application field is diverse and its applications are widespread in the telecommunications, industrial, automotive and consumer industries. It can be used as a reference voltage in a wide variety of circuits such as LCD bias supply, bandgap reference,VCO tuning voltage, ADC voltage reference, and Comparator voltage reference. For example, this device may be used for measuring current by application as shunt regulator. It can also be used as a circuit trim reference to select the resistor values in the circuit, coupled with a temperature sensor, to ensure temperature stability.

The LM4050BEX3-2.5+T works based on the bandgap principle of semiconductor. Bandgap involves the conversion of a temperature dependent voltage with a very low temperature coefficient of about 1mV/°C. This reference voltage is then buffered with an operational amplifier to generate an output voltage that is accurately fixed to a certain voltage level. To boost the accuracy, a temperature compensation network is also integrated into the device. The entire process ensures that the operating voltage of the device is temperature compensated and of high stability.

LM4050BEX3-2.5+T is able to provide precise voltage reference in a wide temperature range to operate in a variety of applications ranging from computers and communication devices to industrial and automotive applications. Its features include low quiescent current of 560 nA, high input voltage range of 2.25V to 10V, fast settling time, and temperature coefficient of 200 ppm/°C at 25°C. Its accuracy, stability, and precise temperature compensation make it ideal for precision voltage references applications in a wide range of applications.

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