LMV981MG

Product Overview

Category: Integrated Circuit (IC)

Use: Amplifier

Characteristics: - Low voltage, low power operational amplifier - Rail-to-rail input and output - Wide supply voltage range - High gain bandwidth product - Low input offset voltage - Small package size

Package: Miniature 8-pin SOIC (Small Outline Integrated Circuit)

Essence: The LMV981MG is a high-performance operational amplifier designed for low voltage applications. It offers rail-to-rail input and output capabilities, making it suitable for use in various electronic circuits.

Packaging/Quantity: The LMV981MG is typically sold in reels or tubes containing multiple units. The exact quantity may vary depending on the supplier.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Input Offset Voltage: 1.5mV (maximum)
• Gain Bandwidth Product: 3MHz (typical)
• Slew Rate: 1.6V/µs (typical)
• Input Bias Current: 0.5pA (typical)
• Output Current: 40mA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LMV981MG has eight pins arranged as follows:

```

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| | --| V+ OUT |-- Pin 1: Positive Power Supply (V+) --| IN- IN+ |-- Pin 2: Non-Inverting Input (IN+) --| GND NC |-- Pin 3: Ground (GND) --| NC IN- |-- Pin 4: Inverting Input (IN-) --| NC V- |-- Pin 5: Negative Power Supply (V-) --| NC NC |-- Pin 6: Not Connected (NC) --| OUT V- |-- Pin 7: Output (OUT) |___________| ```

Functional Features

• Rail-to-rail input and output voltage swing
• Low power consumption
• Wide supply voltage range for flexibility in various applications
• High gain bandwidth product for accurate signal amplification
• Low input offset voltage for precise measurements
• Small package size for space-constrained designs

Advantages and Disadvantages

Advantages: - Suitable for low voltage applications - Can operate with a wide range of supply voltages - Provides accurate amplification of signals - Compact size allows for integration in small electronic devices

Disadvantages: - Limited output current capability - May not be suitable for high-power applications

Working Principles

The LMV981MG is an operational amplifier that amplifies the difference between its two input voltages. It operates on a low voltage supply and provides rail-to-rail input and output voltage swing, allowing it to handle signals close to the supply rails.

The amplifier's internal circuitry ensures low input offset voltage, enabling accurate amplification of small signals. The high gain bandwidth product allows for precise amplification of higher frequency signals.

Detailed Application Field Plans

The LMV981MG can be used in various applications, including but not limited to: 1. Portable audio devices 2. Battery-powered instrumentation 3. Sensor signal conditioning 4. Active filters 5. Signal amplification in low voltage systems

Detailed and Complete Alternative Models

Some alternative models to the LMV981MG include: 1. LMV321: Single operational amplifier with similar characteristics 2. LMV358: Dual operational amplifier with rail-to-rail input and output 3. LMV324: Quad operational amplifier with low voltage operation

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

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