LTC6255IDC#TRMPBF

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LTC6255IDC#TRMPBF is a low power, high precision Current sense amplifier from Linear. It is used to accurately measure precision current. It is a part of their Instrumentation, OP Amps, Buffer Amps series. The main features of the amplifier are very low quiescent current (1.2uA) and low noise. It also has very high common mode rejection levels (CMRR) up to 110dB, making it ideal for high precision current sensing applications.

In its basic form, the LTC6255IDC#TRMPBF amplifies the sense voltage across a resistor, which is them input to a ADC. This allows for accurate measurement of the current flowing through a circuit. This is extremely useful in applications where very precise current control is required. The amplifier is also used in automotive applications, where it is used to measure the current through the fuel pump, or an injector.

In terms of the actual working principle of the amplifier, the LTC6255IDC#TRMPBF is a unity gain feedback amplifier that includes an internal adjustable reference voltage. This means that it is able to both amplify and offset the sense voltage depending on the resistance value used. This also allows for finer control of the measured current, as the reference voltage can be changed and the sensed current adjusted accordingly.

The amplifier includes a compensation capacitor which improves the stability and accuracy of the device by lapping the gain over a wide range of frequencies. This allows for fast settling times and better accuracy for high speed applications. The amplifier also has excellent CMRR levels, which reduce the effect of noise on the input signal, giving a higher fidelity output.

The LTC6255IDC#TRMPBF is a versatile and reliable current sensing amplifier that offers a wide range of benefits, including low power consumption, high precision, and excellent noise rejection. It is ideal for applications that require precise measurements, such as automotive and industrial applications, as well as in laboratory test equipment.

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