LMV821M7/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: The LMV821M7/NOPB 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 noise - Low power consumption

Package: The LMV821M7/NOPB is available in a small SOT-23-5 package, which makes it suitable for space-constrained applications.

Essence: The essence of the LMV821M7/NOPB lies in its ability to provide accurate amplification of low-level signals while operating at low voltages and consuming minimal power.

Packaging/Quantity: The LMV821M7/NOPB 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: 2.4MHz
• Input Bias Current: 1pA (typical)
• Output Current: 50mA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LMV821M7/NOPB has a total of five pins arranged as follows:

```

---

| | --| IN- VCC |-- --| IN+ OUT |-- --| GND NC |-- |___________| ```

1. IN-: Inverting input
2. IN+: Non-inverting input
3. OUT: Output
4. VCC: Positive supply voltage
5. GND: Ground
6. NC: Not connected

Functional Features

• Low voltage operation allows for compatibility with a wide range of systems.
• Rail-to-rail input and output capability enables accurate amplification of signals close to the supply rails.
• Low noise ensures minimal interference with the amplified signal.
• Low power consumption makes it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows for versatile use in various systems. - Rail-to-rail input and output capability provides accurate amplification of signals near the supply rails. - Low noise ensures high-quality signal amplification. - Low power consumption prolongs battery life in portable applications.

Disadvantages: - Limited output current may restrict its use in certain high-current applications. - Input offset voltage may introduce small errors in precision applications.

Working Principles

The LMV821M7/NOPB operates as a voltage amplifier, taking an input signal and amplifying it to a higher level. It achieves this through a combination of internal circuitry that includes transistors, resistors, and capacitors. The rail-to-rail input and output capability allows the amplifier to handle signals that are close to the supply voltages, ensuring accurate amplification even at low voltages.

Detailed Application Field Plans

The LMV821M7/NOPB 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. LMV822M7/NOPB: Dual operational amplifier with similar characteristics and package.
2. LMV824M7/NOPB: Quad operational amplifier with similar characteristics and package.
3. MCP6001: Low-power operational amplifier with rail-to-rail input and output.

These alternative models offer similar functionality and can be considered as substitutes for the LMV821M7/NOPB in various applications.

In conclusion, the LMV821M7/NOPB is a low voltage, rail-to-rail operational amplifier that provides accurate amplification of low-level signals. Its compact package, low power consumption, and versatile characteristics make it suitable for a wide range of applications.