LT6660JCDC-3.3#TRMPBF

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The LT6660JCDC-3.3#TRMPBF, is a high performance Low temperature, High Precision Voltage Reference and is part of a family of PMIC – Voltage References.

This type of voltage reference is designed for applications that require stable, accurate voltages over a wide range of temperatures. The LT6660JCDC-3.3#TRMPBF has a 2.5V voltage reference with a very small temperature coefficient of ± 0.5ppm/°C and delivers low temperature drift of 0.6ppm/°C. It also features a low reference output noise of 0.08uVrms over a wide range of frequencies.

The LT6660JCDC-3.3#TRMPBF also has excellent dynamic performance, with a fast start-up time of 4µs and a fast settling time of 3s. Its small footprint and high reliability make it ideal for use in space constrained applications.

The LT6660JCDC-3.3#TRMPBF is an excellent choice for applications that require high precision operation, such as instrumentation and medical equipment. It is also well suited for use in automotive and other harsh environment applications.

The LT6660JCDC-3.3#TRMPBF works on the principle of a band gap reference. A band gap reference works by exploiting the fact that the difference between the energy band gaps of silicon and germanium is temperature dependent. Therefore, by tailoring the ratios of silicon and germanium in the reference circuit, the thermal coefficient of the reference voltage can be improved.

The band gap circuitry consists of three stages: Two NPN transistors connected in a differential configuration to provide a temperature sensitive base-to-emitter voltage difference; A current mirror to convert this voltage difference into a current through a proportional resistor; and an output buffer to provide the nominal reference voltage.

The band gap reference system is a closed loop system in which the temperature dependent base-emitter voltage is compensated by the variable current passing through the proportional resistor. This current is then converted to a reference voltage using the output buffer.

The LT6660JCDC-3.3#TRMPBF is a very efficient and highly reliable voltage reference device. Its high stability and accuracy over a wide range of temperatures make it an ideal choice for a variety of applications. It is designed to provide an accurate and stable voltage reference for instrumentation and medical equipment. It is also suitable for automotive and other harsh environment applications.

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