LMV7239QM7X/NOPB

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The LMV7239QM7X/NOPB is a differential linear comparator made with an advanced BiCMOS process designed to provide precise open-loop, while operating over extended supply range. It is a member of the Texas Instruments’ MID Drive low-power comparator family. It is composed of two complementary output stages which provide excellent noise immunity, for both rising and falling outputs, resulting in improved output performance.

The LMV7239QM7X/NOPB is ideal for applications requiring low noise, low power, and low industry-standard output swing; such as precision motor control, industrial automation, and consumer automotive circuit protection. The open-collector output of the differential linear comparator also allows easy interfacing to other accessories such as transistors, switches, and IC logic.

The main features of the LMV7239QM7X/NOPB differential linear comparator include its wide range of operating voltage (2.4 - 36 V), low power consumption (0.4 mA on the supply current) and fast settling time (250 ns). The device also has an improved signal-to-noise ratio, thanks to its excellent power supply rejection (PSR) and input common-mode range (CMRR). In addition, the integral voltage reference and amplifier help reduce the need for external components.

Working Principle

The LMV7239QM7X/NOPB differential linear comparator operates by comparing the voltages at its two “+” and “-” inputs, which must be within a specified voltage range relative to the device ground. If the voltage at either input is higher than the voltage at the other, the “+” and “-” inputs are said to be “high” and “low,” respectively. The output of the device will then reflect the relationship between its input voltages, either “high” or “low.”

The device can be used in either inverting or non-inverting configurations. In an inverting configuration, the output of the comparator is an inverted version of the input voltage. In a non-inverting configuration, the output of the comparator is the same voltage as the input. A non-inverting application of the LMV7239QM7X/NOPB can be used for low-voltage detection. When the input voltage is low, the output is high, and when the input voltage is high, the output is low.

The LMV7239QM7X/NOPB can also be used in precision motor control, industrial automation, and consumer automotive circuit protection applications. In these applications, the output of the device is used to control the direction and speed of a motor or the timing of a switch. The feedback loop between the output and inputs of the device allows for precise control of the voltage levels and can be used to improve the accuracy of the system.

Applications

The LMV7239QM7X/NOPB can be used in a wide range of applications. It is an excellent choice for low-noise, low-power and low-industry-standard output swing applications, such as precision motor control, industrial automation, and consumer automotive circuit protection. The device also offers excellent signal-to-noise ratio with its power supply rejection and input common-mode range. The integral voltage reference and amplifier help reduce the need for external components.

The LMV7239QM7X/NOPB can also be used in analog-to-digital converter (ADC), instrumentation, power control applications, and PWM control. In these applications, the device can be used to compare two input signals and provide an output signal based on the comparison. The device can also be used in process control, medical instrumentation, test equipment, and communication systems.

In addition to these uses, the LMV7239QM7X/NOPB can also be used in low-power, low-noise audio circuits. By using this device, designers can create circuits that have low distortion, wide dynamic range, excellent accuracy, and low power consumption. The device can also be used in voltage and current monitors, to protect sensitive circuitry from excessive current or voltage levels.

Conclusion

The LMV7239QM7X/NOPB from Texas Instruments is a great way to reduce the amount of external components needed for differential linear comparator applications. With its wide range of operating voltage, low power consumption, and fast settling time, it is ideal for low-noise, low-power, and low-industry-standard output swing applications. The device is suitable for a wide range of applications, such as motor control, industrial automation, consumer automotive protection, and audio applications. Furthermore, its integral voltage reference and amplifier make it easy to incorporate into any system.

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