LMV339IPWG4

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LMV339IPWG4 is a high performance, low-power quad comparator in a space-saving 16-lead SOIC package. It is one of the members of the LMV339/339A family of low power comparators, typically used in Linear - Comparators applications. The family provides a low power, single supply solution for comparison, level detection, threshold detection, and clipping.

The LMV339IPWG4 features four independent comparators, each with their own identical characteristics and features. They can operate from a single 1.8V to 5.5V supply, perfect for applications with limited power supplies. Additionally, they feature high impedance inputs, allowing them to accept signals with more than 10V swing. With a minimum hysteresis, the comparator is able to provide a precise reference level and a reliable indication of the level crossing.

The LMV339IPWG4 has two distinct operating modes, based on the internal reference voltage. For open-drain operations, the output is actively driven to the supply rail with a sink current of 10mA. Likewise, in push-pull operations, the output is actively driven to both supply rails with a maximum sink current of 35mA.

In terms of application areas, the LMV339IPWG4 is suitable for many applications within Linear - Comparators, such as level sensing and level setting, for controlling high-frequency power conversion, and for switching in control loops. Additionally, the comparator is also useful in many data acquisition applications such as analog-to-digital converters, mixers, sample and hold, and bandgap references.

In terms of working principle, LMV339IPWG4 features an input stage with independent CMOS transistors. The output stage is an NMOS open-drain type or a push-pull type, depending on the operating mode. The comparator works by comparing an input voltage against a reference voltage, and outputting a digital signal when the two are within a certain tolerance. In open-drain operations, the output is driven to the supply rail when an input voltage crosses the reference voltage, and in push-pull operations, the output is driven either high or low depending on the voltage level. In both cases, the output is a digital signal that changes its state whenever the input voltage crosses the reference voltage.

The LMV339IPWG4 is suitable for low power applications, such as hand-held instruments and portable equipment. The low power makes the comparator suitable for permanently powered circuits, allowing it to produce accurate results with a reduced voltage drop across the power supply. With two distinct operating modes and an adjustable reference voltage, the LMV339IPWG4 is an ideal choice for a variety of Linear - Comparators applications.

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