LMV721M5

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The LMV721M5 is a high precision, single-supply CMOS operational amplifier available in the 1.2mm x 1.6mm WSON package. This amplifier features rail-to-rail output and input voltage specifications which make it well-suited for low voltage applications such as battery-powered and portable medical instrumentation. Furthermore, this amplifier consumes as little as 0.8μA quiescent supply current and is stable with any capacitive load up to 1000pF.

The amplifier operation is based on output transistors configured in a unique common-source complementary output stage, which minimizes distortion and provides a low output offset voltage. The output stage includes extra transistors to form the body-diode cancellation circuit which reduces distortion. To guarantee high accuracy, a bandgap reference is used in the input stage to sense the input offset voltage. This offset voltage is trimmed to a maximum value of 0.1mV with the use of a thin-film resistor.

The LMV721M5\'s extremely low input offset voltage, low bias current, and high input impedance make it useful for a wide range of precision linear applications. Examples include converting signals from low-level resistive and capacitive transducers, or amplifying signals with a high voltage gain in applications such as medical instrumentation, test stands, consumer electronics, etc.

The flexibility of the LMV721M5 performance makes it suitable for a variety of application fields. It is especially suitable for supplying transducer output signals to instrumentation. For example, taking into account the common rail-to-rail operational amplifiers requires external resistors to set the input common-mode voltage range to include ground, the LMV721M5 with its rail-to-rail wide input voltage range eliminates the need for extra external components. Low drift hysteresis in both the input common-mode voltage range and input offset voltage allows the LMV721M5 to be used in the highest accuracy measurement applications.

Furthermore, due to its low offset voltage, wide common-mode voltage range, low drift and high stability, the LMV721M5 is an ideal device for temperature monitoring and control. Additionally, the duty cycles and pulse widths in a wide range of pulse-modulated and frequency-modulated systems can benefit from using the LMV721M5.

In summary, with its low voltage operation, rail-to-rail wide input/output voltage range, low input bias current, low-temperature coefficient, high gain and fast response time, the LMV721M5 offers unique advantages for instrumentation, data acquisition and signal conditioning. This linear amplifier can help to achieve valuable insights and improve measurement accuracy in applications such as medical instrumentation and consumer electronics.

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