LMV821DCKRG4

Product Overview

Category: Integrated Circuit (IC)

Use: The LMV821DCKRG4 is a low voltage, rail-to-rail input and output operational amplifier. It is designed for use in various applications that require precision amplification of low-level signals.

Characteristics: - Low voltage operation - Rail-to-rail input and output - Precision amplification - Low power consumption - Small package size

Package: The LMV821DCKRG4 is available in a small SOT-23-5 package, which makes it suitable for space-constrained applications.

Essence: This operational amplifier provides accurate amplification of low-level signals while operating at low voltages and consuming minimal power.

Packaging/Quantity: The LMV821DCKRG4 is typically sold in reels containing 3000 units per reel.

Specifications

• Supply Voltage Range: 1.8V to 5.5V
• Input Offset Voltage: ±1.5mV (maximum)
• Gain Bandwidth Product: 3MHz (typical)
• Input Bias Current: 10nA (maximum)
• Output Current: 30mA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LMV821DCKRG4 has a total of five pins arranged as follows:

___________ V+ --| |-- V- Vin --| |-- NC GND --| |-- OUT NC --|___________|-- NC

Pin Description: - V+: Positive supply voltage - V-: Negative supply voltage - Vin: Input voltage - GND: Ground reference - OUT: Output voltage

Functional Features

• Low voltage operation allows the LMV821DCKRG4 to be powered by a wide range of supply voltages, making it suitable for battery-powered applications.
• Rail-to-rail input and output capability enables the amplifier to handle signals that extend from the lowest voltage level to the highest voltage level within the supply range.
• Precision amplification ensures accurate reproduction of low-level signals with minimal distortion.
• Low power consumption makes the LMV821DCKRG4 ideal for energy-efficient designs.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows for versatile use in various applications. - Rail-to-rail input and output capability enhances signal handling capabilities. - Low power consumption prolongs battery life in portable devices. - Small package size enables space-saving designs.

Disadvantages: - Limited output current may restrict its use in high-power applications. - Input offset voltage may introduce slight inaccuracies in precision applications.

Working Principles

The LMV821DCKRG4 operates as a voltage amplifier, taking an input voltage and producing an amplified output voltage. It utilizes a differential input stage, followed by gain stages and an output stage. The rail-to-rail input and output capability is achieved through careful design of the input and output stages, allowing the amplifier to operate close to the supply rails.

Detailed Application Field Plans

The LMV821DCKRG4 can be used in a wide range of applications, including but not limited to: 1. Portable audio devices 2. Sensor signal conditioning 3. Battery-powered instrumentation 4. Medical devices 5. Industrial automation

Detailed and Complete Alternative Models

1. LMV822IDR: Dual operational amplifier with similar characteristics and package options.
2. LMV824IDR: Quad operational amplifier with similar characteristics and package options.
3. TLV9062IDR: Low voltage, rail-to-rail input/output operational amplifier with enhanced precision.

These alternative models offer similar functionality and characteristics to the LMV821DCKRG4, providing flexibility in design choices.

Word count: 529 words