LMC6484IM

Product Overview

Category: Integrated Circuit (IC)

Use: The LMC6484IM is a quad operational amplifier designed for general-purpose applications. It is commonly used in various electronic circuits that require amplification, filtering, and signal conditioning.

Characteristics: - Low input offset voltage - Low input bias current - High open-loop gain - Wide supply voltage range - Rail-to-rail output swing capability

Package: The LMC6484IM is available in an 14-pin SOIC (Small Outline Integrated Circuit) package.

Essence: The LMC6484IM is a versatile operational amplifier that provides high performance and flexibility for a wide range of applications.

Packaging/Quantity: The LMC6484IM is typically sold in reels or tubes containing multiple units, with each reel or tube containing a specific quantity of ICs.

Specifications

• Supply Voltage Range: ±2.5V to ±15V
• Input Offset Voltage: 1mV (maximum)
• Input Bias Current: 20nA (maximum)
• Open-Loop Gain: 120dB (typical)
• Output Swing: Rail-to-Rail
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LMC6484IM has 14 pins, numbered as follows:

1. OUT1: Output of Amplifier 1
2. IN-1: Inverting Input of Amplifier 1
3. IN+1: Non-Inverting Input of Amplifier 1
4. V-: Negative Power Supply Terminal
5. IN+2: Non-Inverting Input of Amplifier 2
6. IN-2: Inverting Input of Amplifier 2
7. OUT2: Output of Amplifier 2
8. V+: Positive Power Supply Terminal
9. OUT3: Output of Amplifier 3
10. IN-3: Inverting Input of Amplifier 3
11. IN+3: Non-Inverting Input of Amplifier 3
12. NC: No Connection
13. IN+4: Non-Inverting Input of Amplifier 4
14. IN-4: Inverting Input of Amplifier 4

Functional Features

1. Low Input Offset Voltage: The LMC6484IM exhibits low input offset voltage, ensuring accurate amplification and signal processing.
2. High Open-Loop Gain: With a high open-loop gain, the amplifier provides precise amplification even for small input signals.
3. Wide Supply Voltage Range: The IC can operate with supply voltages ranging from ±2.5V to ±15V, making it suitable for various power supply configurations.
4. Rail-to-Rail Output Swing Capability: The LMC6484IM offers rail-to-rail output swing, allowing it to handle signals close to the power supply rails without distortion.

Advantages and Disadvantages

Advantages: - Versatile and suitable for a wide range of applications - High performance characteristics - Low input offset voltage and bias current - Rail-to-rail output swing capability

Disadvantages: - Limited number of amplifiers (quad configuration) - Not suitable for high-frequency applications

Working Principles

The LMC6484IM is based on operational amplifier technology. It utilizes multiple internal amplifiers to provide amplification and signal conditioning functions. The input signals are processed by the individual amplifiers, and the resulting amplified signals are available at the corresponding output pins.

Detailed Application Field Plans

The LMC6484IM can be used in various applications, including: - Audio amplifiers - Signal conditioning circuits - Active filters - Instrumentation amplifiers - Voltage and current sensing circuits

Detailed and Complete Alternative Models

Some alternative models to the LMC6484IM are: - LM324: Quad operational amplifier with similar characteristics - TL084: JFET-input quad operational amplifier - AD8674: Precision quad operational amplifier

These alternative models offer similar functionality and can be used as substitutes depending on specific requirements.

In conclusion, the LMC6484IM is a versatile quad operational amplifier that provides high performance and flexibility for a wide range of applications. Its low input offset voltage, high open-loop gain, and rail-to-rail output swing capability make it suitable for various signal processing tasks. However, its limited number of amplifiers and unsuitability for high-frequency applications should be considered when selecting this IC.