LMV7235M7 Integrated Circuits (ICs)

Current - Output (Typ):	--
Base Part Number:	LMV7235
Supplier Device Package:	SC-70-5
Mounting Type:	Surface Mount
Package / Case:	5-TSSOP, SC-70-5, SOT-353
Operating Temperature:	-40°C ~ 85°C
Hysteresis:	--
Propagation Delay (Max):	62ns
CMRR, PSRR (Typ):	67dB CMRR, 85dB PSRR
Current - Quiescent (Max):	95µA
Series:	--
Current - Input Bias (Max):	0.4µA @ 5V
Voltage - Input Offset (Max):	6mV @ 5V
Voltage - Supply, Single/Dual (±):	2.7 V ~ 5.5 V
Output Type:	Open-Drain, Rail-to-Rail
Number of Elements:	1
Type:	General Purpose
Part Status:	Not For New Designs
Packaging:	Tape & Reel (TR)

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LMV7235M7 Application Field and Working Principle

The LMV7235M7 is a linear-comparator series from Texas Instruments. In contrast to traditional comparator circuits, a linear-comparator amplifies and compares the input signals, providing far superior accuracy and precision from the device.

Applications

The LMV7235M7 is designed for a variety of applications where an analog input signal needs to be amplified and compared. Examples include audio signal processing whereby the device can be used for peak detection, noise reduction, and signal-conditioning; motor control, where the LMV7235M7 can help provide digital servo control and encoder feedback; and AC and DC power supply applications, by detecting changes in ripple and noise in the system with the help of an external amp circuit.

Working Principle

The LMV7235M7 is a linear-comparator, or linear-differential amplifier. It is composed of a series of transistors, resistors, and capacitors. In total, the device features two different amplifier types – open-loop and closed-loop. In open-loop mode, input signals are passed to the amplifier through an impedance or resistive circuit. The amplifier provides a voltage gain of up to 50dB, making it ideal for detecting and amplifying low-level analog signals. In closed-loop mode, the amplifier is provided with negative feedback and is thus effectively locked into the amplifier\'s response characteristics. This helps to reduce unpredictable responses, thus providing improved performance. Additionally, the amplifier can be used to compare input signals from two different sources, such as voltage and current, and determine the difference between them.The LMV7235M7 also utilizes a circuit protection design, which helps to regulate the device\'s thermal and electric inputs. This included over-voltage and over-current protection to ensure stable and reliable operation.

Conclusion

The LMV7235M7 is a linear-comparator device which provides superior accuracy and performance when compared to traditional comparator circuits. The amplifier is useful for a variety of applications, including audio signal processing, motor control, and AC/DC power supply monitoring. It is composed of two different amplifier types - open-loop and closed-loop - and utilizes a circuit protection design for better performance and stability.

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