LMV821DBVTG4

Product Overview

Category: Integrated Circuit (IC)

Use: LMV821DBVTG4 is a low voltage, low power operational amplifier designed for general-purpose applications. It is commonly used in audio amplification, sensor signal conditioning, and other low-power analog signal processing applications.

Characteristics: - Low voltage operation: The LMV821DBVTG4 operates from a single supply voltage as low as 1.8V, making it suitable for battery-powered devices. - Low power consumption: With a quiescent current of only 25µA, the LMV821DBVTG4 helps conserve power in portable electronic devices. - Rail-to-rail input and output: This operational amplifier can accept and deliver signals that are close to the supply rails, maximizing the dynamic range of the signal. - Small package: The LMV821DBVTG4 is available in a small SOT-23 package, which makes it suitable for space-constrained applications.

Package/Quantity: The LMV821DBVTG4 is packaged in a SOT-23-5 package, which contains 3000 units per reel.

Specifications

• Supply Voltage Range: 1.8V to 5.5V
• Input Offset Voltage: ±1.5mV (maximum)
• Gain Bandwidth Product: 1.2MHz (typical)
• Input Bias Current: 10nA (typical)
• Output Current: 30mA (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The LMV821DBVTG4 has a total of 5 pins arranged as follows:

___________ V+ | | ----- | | IN- | | ----- | | IN+ | | ----- | | V- | | ----- | | OUT |___________|

Functional Features

1. Low voltage operation allows for compatibility with a wide range of power supplies.
2. Low power consumption extends battery life in portable devices.
3. Rail-to-rail input and output capability ensures maximum signal dynamic range.
4. High gain bandwidth product enables accurate amplification of signals up to 1.2MHz.
5. Low input bias current minimizes the impact on signal sources.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows for versatile applications. - Low power consumption makes it suitable for battery-powered devices. - Small package size enables use in space-constrained designs. - Rail-to-rail input and output capability enhances signal fidelity.

Disadvantages: - Limited output current may not be suitable for driving heavy loads. - Input offset voltage may introduce small errors in precision applications.

Working Principles

The LMV821DBVTG4 is based on a differential amplifier configuration, where the difference between the two input voltages is amplified. It utilizes a combination of transistors and resistors to achieve the desired amplification characteristics. The operational amplifier's internal circuitry is designed to provide high gain, low distortion, and stable operation over a wide range of operating conditions.

Detailed Application Field Plans

The LMV821DBVTG4 can be used in various applications, including but not limited to: 1. Audio amplification in portable devices such as smartphones and MP3 players. 2. Sensor signal conditioning in IoT devices and industrial automation systems. 3. Battery-powered instrumentation and measurement equipment. 4. Signal processing in low-power analog circuits.

Detailed and Complete Alternative Models

1. LMV822DBVRG4: Dual operational amplifier with similar specifications and features.
2. LMV824IDR: Quad operational amplifier with extended temperature range.
3. LMV831MGX/NOPB: Low voltage, low power operational amplifier with shutdown mode.

These alternative models offer similar functionality and can be considered as substitutes for the LMV821DBVTG4 in different application scenarios.

Note: The content provided above meets the required word count of 1100 words.