LMV791TDA2

Product Overview

Category: Integrated Circuit (IC)

Use: LMV791TDA2 is a low voltage, low power operational amplifier designed for general-purpose applications.

Characteristics: - Low voltage operation: 1.8V to 5.5V - Low power consumption: 0.6mA (typical) - Rail-to-rail input and output - Unity-gain stable - Wide bandwidth: 3MHz (typical) - Small package size: SOT-23-5

Package: The LMV791TDA2 is available in a small SOT-23-5 package.

Essence: The LMV791TDA2 is an essential component in electronic circuits that require amplification of low voltage signals with low power consumption.

Packaging/Quantity: The LMV791TDA2 is typically sold in reels containing 3000 units per reel.

Specifications

• Supply Voltage Range: 1.8V to 5.5V
• Input Offset Voltage: ±1mV (maximum)
• Input Bias Current: ±1nA (maximum)
• Gain Bandwidth Product: 3MHz (typical)
• Slew Rate: 1.2V/µs (typical)
• Output Current: 30mA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LMV791TDA2 has a total of 5 pins arranged as follows:

```

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

Pin Description: - IN-: Inverting input - IN+: Non-inverting input - OUT: Output - V-: Negative power supply - V+: Positive power supply - NC: No connection

Functional Features

1. Low Voltage Operation: The LMV791TDA2 can operate at a wide range of supply voltages, making it suitable for battery-powered applications.
2. Low Power Consumption: With a typical current consumption of only 0.6mA, the LMV791TDA2 helps conserve power in portable devices.
3. Rail-to-Rail Input and Output: The operational amplifier supports input and output signals that can swing close to the supply rails, maximizing dynamic range.
4. Unity-Gain Stable: The LMV791TDA2 remains stable even at unity gain, ensuring reliable performance in various circuit configurations.
5. Wide Bandwidth: With a bandwidth of 3MHz, the LMV791TDA2 is capable of amplifying high-frequency signals accurately.
6. Small Package Size: The SOT-23-5 package allows for compact circuit designs, especially in space-constrained applications.

Advantages and Disadvantages

Advantages: - Wide supply voltage range enables versatile use in different electronic systems. - Low power consumption prolongs battery life in portable devices. - Rail-to-rail input and output capability enhances signal fidelity. - Unity-gain stability ensures consistent performance across various circuit configurations. - Small package size facilitates compact circuit designs.

Disadvantages: - Limited output current may restrict its use in applications requiring higher current capabilities. - Relatively lower gain bandwidth product compared to some specialized operational amplifiers.

Working Principles

The LMV791TDA2 is based on a differential amplifier configuration, where the difference between the non-inverting and inverting inputs determines the output voltage. It utilizes internal transistors and feedback mechanisms to amplify and shape the input signal according to the desired gain. The rail-to-rail input and output stages allow for maximum utilization of the available supply voltage range.

Detailed Application Field Plans

The LMV791TDA2 can be used in various applications, including but not limited to: - Portable audio devices - Sensor signal conditioning - Battery-powered instrumentation - Active filters - Voltage amplification stages

Detailed and Complete Alternative Models

1. LMV321: Single operational amplifier with similar characteristics.
2. LMV358: Dual operational amplifier with similar characteristics.
3. LMV324: Quad operational amplifier with similar characteristics.
4. LMV331: Single operational amplifier with higher gain bandwidth product.

These alternative models offer different package options and may have slight variations in specifications, but they serve as suitable replacements for the LMV791TDA2 depending on specific application requirements.

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