MPQ4558DQ-LF-P

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High-performance, low-power, quad operational amplifier
• Package: DIP-14 (Dual In-line Package with 14 pins)
• Essence: This IC is designed to provide amplification and signal conditioning in various electronic circuits.
• Packaging/Quantity: Available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Supply Voltage: ±2.5V to ±18V
• Input Offset Voltage: ±1mV (maximum)
• Input Bias Current: ±25nA (maximum)
• Gain Bandwidth Product: 3MHz (typical)
• Slew Rate: 1.6V/µs (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MPQ4558DQ-LF-P has a total of 14 pins arranged as follows:

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| | --|1 7 8 |-- --|2 6 9 |-- --|3 5 10 |-- --|4 11 |-- |___________| ```

Functional Features

• Quad Operational Amplifier: The MPQ4558DQ-LF-P consists of four independent operational amplifiers in a single package, allowing for multiple amplification stages in a circuit.
• Low Power Consumption: This IC is designed to operate with minimal power consumption, making it suitable for battery-powered devices.
• High Gain Bandwidth Product: With a gain bandwidth product of 3MHz, the MPQ4558DQ-LF-P can handle high-frequency signals accurately.
• Wide Operating Voltage Range: The supply voltage range of ±2.5V to ±18V provides flexibility in various applications.

Advantages and Disadvantages

Advantages: - Compact Design: The DIP-14 package offers a compact form factor, making it suitable for space-constrained applications. - Low Noise: The MPQ4558DQ-LF-P has low input offset voltage and bias current, resulting in minimal noise interference. - Versatile: This IC can be used in a wide range of applications, including audio amplification, signal conditioning, and sensor interfacing.

Disadvantages: - Limited Temperature Range: The operating temperature range of -40°C to +85°C may restrict its use in extreme temperature environments. - Single Package Limitation: In case of failure or malfunction of one operational amplifier, the entire IC needs to be replaced.

Working Principles

The MPQ4558DQ-LF-P operates based on the principles of operational amplifiers. It amplifies the difference between the voltages applied to its inputs and produces an output voltage proportional to this difference. By adjusting the feedback network, the gain and characteristics of the amplifier can be tailored to specific requirements.

Detailed Application Field Plans

The MPQ4558DQ-LF-P finds applications in various fields, including:

1. Audio Amplification: It can be used in audio systems to amplify weak signals from microphones or musical instruments.
2. Signal Conditioning: The IC can be employed to condition signals from sensors before further processing or analysis.
3. Active Filters: It is suitable for implementing active filters in communication systems, allowing precise frequency response shaping.
4. Instrumentation Amplifiers: The MPQ4558DQ-LF-P can be utilized in instrumentation amplifiers for accurate measurement of small signals.

Detailed and Complete Alternative Models

1. LM324: A quad operational amplifier with similar characteristics and pin configuration.
2. TL074: Another quad operational amplifier offering low noise and high gain bandwidth product.
3. AD8674: A precision quad operational amplifier with low offset voltage and bias current.

These alternative models can be considered based on specific requirements and availability.

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