LPV321M7

Product Overview

Category: Operational Amplifier
Use: LPV321M7 is a low-power, single-supply operational amplifier designed for general-purpose applications.
Characteristics: It offers low input bias current, low offset voltage, and low quiescent current, making it suitable for battery-powered devices.
Package: LPV321M7 comes in a small SOT-23 package.
Essence: LPV321M7 is an essential component in electronic circuits that require amplification of signals with low power consumption.
Packaging/Quantity: LPV321M7 is typically sold in reels containing 3000 units.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Input Offset Voltage: ±1mV (maximum)
• Input Bias Current: ±10nA (maximum)
• Quiescent Current: 45µA (typical)
• Gain Bandwidth Product: 1MHz (typical)
• Output Current: 20mA (typical)

Detailed Pin Configuration

LPV321M7 has a total of 5 pins:

1. V+ (Positive Power Supply)
2. V- (Negative Power Supply)
3. IN- (Inverting Input)
4. IN+ (Non-Inverting Input)
5. OUT (Output)

Functional Features

• Low power consumption makes it ideal for battery-powered devices.
• Wide supply voltage range allows for versatile use in various applications.
• Low input bias current ensures accurate signal amplification.
• Low offset voltage minimizes errors in signal processing.
• Rail-to-rail output swing enables maximum utilization of the supply voltage range.

Advantages

• Low power consumption extends battery life in portable devices.
• Versatile supply voltage range enhances compatibility with different systems.
• Accurate signal amplification due to low input bias current and offset voltage.
• Rail-to-rail output swing provides maximum signal range.

Disadvantages

• Limited gain bandwidth product may restrict high-frequency applications.
• Single-supply operation limits the output swing near the supply rails.

Working Principles

LPV321M7 operates as a voltage amplifier, taking an input voltage and producing an amplified output voltage. It utilizes a differential amplifier configuration to amplify the difference between the non-inverting and inverting inputs. The amplified output is then available at the OUT pin.

Detailed Application Field Plans

LPV321M7 finds applications in various fields, including:

1. Portable electronic devices: Due to its low power consumption, LPV321M7 is suitable for use in battery-powered devices such as smartphones, portable media players, and wearable devices.
2. Sensor interfaces: LPV321M7 can be used to amplify signals from sensors, such as temperature sensors, pressure sensors, and light sensors, enabling accurate measurement and processing of sensor data.
3. Audio amplification: LPV321M7 can be employed in audio amplifiers, providing low-distortion amplification for audio signals in applications like headphones, speakers, and audio systems.

Detailed and Complete Alternative Models

1. LM358: Dual operational amplifier with similar characteristics and pin configuration.
2. MCP6001: Low-power operational amplifier with rail-to-rail input and output capabilities.
3. TL071: General-purpose operational amplifier with low noise and high input impedance.

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