LMV331ICT

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LMV331ICT

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IC COMPARATOR 1 GEN PUR SC70-5

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  • メーカー品番 #LMV331ICT

  • データシート LMV331ICT DataSheet

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仕様

属性 値
Part Status Active
Type General Purpose
Number of Elements 1
Output Type Open-Drain
Voltage - Supply, Single / Dual (±) 2.7V ~ 5V
Voltage - Input Offset (Max) 7mV @ 5V
Current - Input Bias (Max) 0.25µA @ 5V
Current - Output (Typ) 93mA @ 5V
Current - Quiescent (Max) 100µA
Propagation Delay (Max) 550ns
Operating Temperature -40°C ~ 85°C
Package / Case 5-TSSOP, SC-70-5, SOT-353
Mounting Type Surface Mount
Supplier Device Package SC-70-5
Base Product Number LMV331

概要

Description

The LMV331ICT is a low-voltage, low-power comparator IC commonly used in electronic circuits for signal comparison. It is part of the LMV331 series from Texas Instruments. This IC operates efficiently with a supply voltage range from 2.7V to 5V, making it suitable for battery-powered and portable applications. The LMV331ICT exhibits fast response times and low offset voltage, which enhances its accuracy in detecting small voltage differences between its input terminals.
The device is housed in a compact SOT-23 package, which is beneficial for space-constrained designs. It features an open-drain output, enabling it to interface with a range of logic levels and support wired-OR configurations. Its low quiescent current consumption is ideal for energy-conscious designs. Common applications for the LMV331ICT include threshold detectors, zero-crossing detectors, and simple analog-to-digital converters.
Overall, the LMV331ICT is valued for its reliability, low power consumption, and versatility in various signal processing tasks, particularly in low-voltage environments.

Equivalent

The LMV331ICT is a low-voltage comparator. Equivalent products include:
1. LMV393 - A dual version of the LMV331 with similar low-voltage operation.
2. TL331 - A single low-voltage comparator with similar specifications.
3. MC33161 - Offers similar functionality with slight variations in performance.
4. LMV721 - A precision low-voltage comparator.
Check datasheets for compatibility in specific applications, as parameters may slightly vary.

Features

The LMV331ICT is a low-power, low-voltage single comparator from the LMV series, designed for various electronic applications. Key features include:
1. Low Voltage Operation: Suitable for 2.7V to 5V supply voltages, making it ideal for battery-powered devices.
2. Low Power Consumption: Offers low quiescent current, enhancing energy efficiency.
3. Rail-to-Rail Input: Provides wide input common-mode voltage range, allowing inputs to go from ground to VCC.
4. Open-Collector Output: Facilitates wired-OR configurations and level shifting.
5. Fast Response Time: Ensures quick signal processing, suitable for high-speed applications.
6. Small Package Options: Available in space-saving packages like SOT-23, ideal for compact designs.
7. Temperature Range: Operates effectively in a broad temperature range from -40°C to +85°C, suitable for industrial environments.
8. Versatility: Used in zero crossing detectors, over-voltage protection, and level shifters, among other applications.
These features make the LMV331ICT a versatile and efficient choice for various electronic projects requiring precise voltage comparison.

Pinout

The LMV331ICT is a single-channel, low-voltage comparator. It typically comes in an 8-pin package, such as SOIC-8. The key functions and pin configuration are as follows:
1. V+ (Pin 8): Positive power supply.
2. GND (Pin 4): Ground or negative power supply.
3. Non-Inverting Input (Pin 3): Receives the voltage signal that is compared against the inverting input.
4. Inverting Input (Pin 2): Receives the voltage signal that is compared against the non-inverting input.
5. Output (Pin 1): The output is an open-drain and indicates the result of the comparison between the non-inverting and inverting inputs.
Additional pins in some packages might include compensation or unused pins, but the essential function pins are as described. Always refer to the specific datasheet for the exact pin configuration and additional features, as different packages might slightly alter pin functions or numbers.

Manufacturer

The LMV331ICT is manufactured by STMicroelectronics, a global semiconductor company. STMicroelectronics is known for designing, developing, and manufacturing a broad range of semiconductor products, including integrated circuits and discrete devices. The company serves various applications across multiple industries, including automotive, industrial, personal electronics, and communications equipment. STMicroelectronics is notable for its focus on innovation, offering solutions that drive advancements in technology and electronics.

Application

The LMV331ICT is a voltage comparator, primarily used in applications requiring low power and single supply voltage. Key application areas include:
1. Battery-powered devices: Due to its low power consumption.
2. Consumer electronics: For signal comparison and threshold detection.
3. Industrial controls: In control systems and instrumentation.
4. Automotive systems: For monitoring and comparison tasks.
5. Communication systems: In signal processing and detection circuits.
6. Portable medical devices: Where precise voltage comparison is needed.
Its compact size also makes it suitable for space-constrained designs.

Package

The LMV331ICT is typically available in a SOT-23 package type, which is a small outline transistor package with three or more pins commonly used for surface-mount devices.

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