LMV7239M7

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LMV7239M7

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IC COMPARATOR 1 GEN PUR SC70-5

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thuộc tính Giá trị
Part Status Obsolete
Base Product Number LMV7239
Type Standard (General Purpose)
Number of Elements 1
Output Type Push-Pull
Voltage - Supply, Single/Dual (±) 2.7V ~ 5.5V
Voltage - Input Offset (Max) 6mV @ 5V
Current - Input Bias (Max) 0.4µA @ 5V
Current - Quiescent (Max) 95µA
CMRR, PSRR (Typ) 67dB CMRR, 85dB PSRR
Propagation Delay (Max) 62ns
Operating Temperature -40°C ~ 85°C
Package 5-TSSOP, SC-70-5, SOT-353
Mounting Type Surface Mount
Supplier Device Package SC-70-5
Packaging Bulk, Cut Tape (CT), Tape & Reel (TR)

Tổng quan

Description

The LMV7239M7 is a precision, low-voltage comparator from Texas Instruments. It is designed for portable and battery-powered applications, offering a combination of low power consumption and high performance. This device operates with a supply voltage range from 2.7V to 5.5V, making it suitable for various low-voltage applications. The LMV7239M7 features a push-pull output stage, which can directly drive capacitive loads or interface with digital logic.
Key characteristics include a low input offset voltage, fast response time, and low quiescent current, ideal for power-sensitive designs. It is capable of operating in a wide temperature range, ensuring reliability in various environmental conditions. The device is packaged in a small SOT-23 form factor, optimizing board space in compact designs.
Overall, the LMV7239M7 is well-suited for applications in portable equipment, battery monitoring, power management, and signal conditioning. Its low-power and high-performance attributes make it a versatile component in modern electronic systems.

Equivalent

The LMV7239M7 is a single low-voltage comparator. Equivalent products include:
1. Texas Instruments LMV7219: Similar functionality with low voltage and power consumption.
2. Analog Devices ADCMP370: Offers low voltage comparator characteristics.
3. ON Semiconductor NCS2200: A low-voltage comparator with similar specs.
4. Microchip Technology MCP6541: Another low voltage, low power comparator option.
Ensure to check datasheets for detailed specifications to confirm equivalency for your specific application.

Features

The LMV7239M7 is a low-voltage comparator notable for its compact design and efficient operation. Key features include:
1. Low Voltage Operation: Operates at a supply voltage as low as 2.7V, making it suitable for battery-powered devices and applications requiring lower power consumption.
2. Low Power Consumption: With a low quiescent current, it is ideal for power-sensitive applications.
3. Fast Response Time: Provides a quick response with a propagation delay of about 200 nanoseconds, allowing for rapid signal processing.
4. Rail-to-Rail Input: Offers rail-to-rail input capability, enhancing its versatility in handling a wide range of input signals.
5. Push-Pull Output: Features a push-pull output stage that provides clear, robust signal driving without needing additional components.
6. Small Package: Available in a compact SOT-23 package, facilitating integration into space-constrained designs.
These features make the LMV7239M7 suitable for various applications, including portable electronics, battery-operated devices, and systems requiring efficient, low-power signal comparison.

Pinout

The LMV7239M7 is a single-channel, low-voltage comparator with a pin count of 5, often packaged in a SOT-23-5 form factor. Here is a concise breakdown of its pin functions:
1. V+ (Pin 5): This is the positive supply voltage pin. It powers the device and is typically connected to the system's positive voltage rail.

2. GND (Pin 2): The ground pin provides a return path for the supply current and should be connected to the system ground.
3. IN+ (Pin 3): Non-inverting input terminal of the comparator. The voltage applied here is compared with the voltage on the inverting input.
4. IN- (Pin 4): Inverting input terminal of the comparator. The input voltage here is compared with the non-inverting input.
5. OUT (Pin 1): The output pin, which provides the result of the comparison. It is a push-pull output that typically swings between the supply rails depending on the input conditions.
The LMV7239 is widely used in applications requiring fast response times, low voltage operation, and low power consumption.

Manufacturer

The LMV7239M7 is manufactured by Texas Instruments (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits. It is one of the largest semiconductor companies in the world and focuses on producing analog chips and embedded processors, which are widely used in various electronic devices and applications. TI serves a diverse range of markets, including industrial, automotive, personal electronics, communications equipment, and enterprise systems. The company is known for its innovation in the semiconductor industry and has a global presence with manufacturing, design, and research and development facilities around the world.

Application

The LMV7239M7 is a high-speed, low-voltage comparator suited for various applications. Its primary areas include:
1. Portable Devices: Ideal for battery-powered electronics due to its low power consumption.
2. Signal Detection: Used in systems requiring rapid signal processing and detection.
3. Level Shifting: Facilitates converting signals from one voltage level to another.
4. Oscillator Circuits: Can be employed in generating clock or timing signals.
5. Voltage Monitoring: Useful in power supply systems for voltage level detection and monitoring.
6. Data Acquisition: Enhances data processing by comparing and analyzing analog signals quickly.
These features make it suitable for consumer electronics, industrial controls, and communication equipment.

Package

The LMV7239M7 is typically available in a SOT-23 package, which is a small outline transistor package with a surface-mount design. This package type is compact and commonly used for low-power and space-constrained applications.

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