LMV844QMA/NOPB

Product Overview

• Category: Integrated Circuit (IC)
• Use: Amplifier
• Characteristics: Low Voltage, Rail-to-Rail Output, Quad Operational Amplifier
• Package: QFN (Quad Flat No-Lead)
• Essence: High-performance amplifier for various applications
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage: 1.8V to 5.5V
• Input Offset Voltage: ±0.5mV (maximum)
• Gain Bandwidth Product: 10MHz (typical)
• Slew Rate: 6V/µs (typical)
• Input Bias Current: ±1pA (maximum)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LMV844QMA/NOPB IC has a total of 16 pins arranged as follows:

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| | | 1 9 11 | | 2 10 12 | | 3 11 13 | | 4 12 14 | | 5 13 15 | | 6 14 16 | | 7 15 | | 8 16 | |_______________| ```

Functional Features

• Low voltage operation allows for use in battery-powered devices.
• Rail-to-rail output enables maximum dynamic range.
• Quad operational amplifier provides flexibility in circuit design.
• High gain bandwidth product ensures accurate signal amplification.
• Low input bias current minimizes loading effects on the signal source.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows for versatile applications. - Rail-to-rail output provides maximum signal swing. - Low input offset voltage ensures accurate amplification. - High slew rate enables fast signal response.

Disadvantages: - Limited operating temperature range (-40°C to +125°C). - Higher power consumption compared to some low-power amplifiers. - Relatively small package size may require careful handling during assembly.

Working Principles

The LMV844QMA/NOPB is a quad operational amplifier that amplifies the input signal with high gain and accuracy. It operates on a low supply voltage, making it suitable for battery-powered devices. The rail-to-rail output allows the amplifier to provide a wide dynamic range, ensuring accurate signal reproduction. The IC's internal circuitry is designed to minimize input offset voltage and bias current, resulting in precise amplification of the input signal.

Detailed Application Field Plans

The LMV844QMA/NOPB 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 systems. 3. Signal amplification in medical equipment like ECG monitors. 4. Voltage level shifting in communication systems. 5. Active filters and oscillators in electronic circuits.

Detailed and Complete Alternative Models

1. LMV841-Q1: Automotive-grade version with similar specifications.
2. LMV842: Dual operational amplifier with comparable performance.
3. LMV845: Quad operational amplifier with extended temperature range.
4. LMV847: Quad operational amplifier with higher gain bandwidth product.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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