LMV824PWRG4

Product Overview

Category: Integrated Circuit (IC)

Use: LMV824PWRG4 is a low-voltage, rail-to-rail output operational amplifier designed for general-purpose applications. It is commonly used in audio amplification, sensor signal conditioning, and other low-power precision applications.

Characteristics: - Low voltage operation: LMV824PWRG4 operates from a supply voltage as low as 2.7V, making it suitable for battery-powered devices. - Rail-to-rail output: The amplifier can swing its output voltage close to both the positive and negative supply rails, maximizing the dynamic range of the signal. - Low input offset voltage: With an input offset voltage as low as 1.5mV, the LMV824PWRG4 provides accurate amplification of small signals. - Small package size: The IC is available in a small-sized package, such as TSSOP-14, making it suitable for space-constrained applications.

Package and Quantity: LMV824PWRG4 is packaged in a TSSOP-14 package. It is typically sold in reels containing 2500 units.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Input Offset Voltage: 1.5mV (maximum)
• Gain Bandwidth Product: 3MHz
• Slew Rate: 1.6V/μs
• Input Bias Current: 100nA (maximum)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The LMV824PWRG4 has a total of 14 pins arranged in a TSSOP package. The pin configuration is as follows:

___________ V+ |1 14| V- IN-|2 13| OUT IN+|3 12| NC NC |4 11| IN+ NC |5 10| IN- NC |6 9| V- NC |7 8| V+ -----------

Functional Features

• Low power consumption: LMV824PWRG4 consumes very low power, making it suitable for battery-powered devices and energy-efficient applications.
• Wide input voltage range: The amplifier can accept a wide range of input voltages, allowing it to handle various signal levels.
• High output current capability: LMV824PWRG4 can deliver high output currents, enabling it to drive low impedance loads.
• Unity-gain stable: The amplifier remains stable even at unity gain, eliminating the need for external compensation components.

Advantages and Disadvantages

Advantages: - Low voltage operation enables use in battery-powered devices. - Rail-to-rail output allows for maximum signal swing. - Small package size makes it suitable for space-constrained applications. - Low input offset voltage ensures accurate amplification of small signals.

Disadvantages: - Limited bandwidth compared to higher-end operational amplifiers. - Lower slew rate may limit its suitability for high-frequency applications.

Working Principles

LMV824PWRG4 is based on a differential amplifier configuration. It amplifies the difference between the two input voltages and provides an amplified output signal. The rail-to-rail output stage ensures that the output voltage can swing close to both the positive and negative supply rails.

Detailed Application Field Plans

The LMV824PWRG4 can be used in various applications, including: 1. Audio amplification in portable devices such as smartphones and MP3 players. 2. Sensor signal conditioning in industrial automation and control systems. 3. Signal amplification in medical devices like ECG monitors and blood pressure monitors. 4. Voltage amplification in low-power precision measurement instruments.

Detailed Alternative Models

Some alternative models to LMV824PWRG4 include: - LMV321: Single-channel operational amplifier with similar characteristics. - LMV358: Dual-channel operational amplifier with rail-to-rail output. - LMV324: Quad-channel operational amplifier with low voltage operation.

These alternative models offer similar functionality and can be used as replacements based on specific application requirements.

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