LM348M/NOPB

Product Overview

LM348M/NOPB belongs to the category of operational amplifiers (op-amps) and is commonly used in electronic circuits for amplification, filtering, and signal conditioning. This integrated circuit exhibits high input impedance, low output impedance, and a wide range of voltage gain. The LM348M/NOPB is available in a small outline package, making it suitable for various applications in consumer electronics, industrial automation, and instrumentation.

Basic Information

• Category: Operational Amplifier
• Use: Amplification, Filtering, Signal Conditioning
• Characteristics: High input impedance, Low output impedance, Wide voltage gain range
• Package: Small Outline Package (SOP)
• Essence: Integrated Circuit for Electronic Signal Processing
• Packaging/Quantity: Typically available in reels of 2500 units

Specifications

The LM348M/NOPB features four independent operational amplifiers with a supply voltage range of ±3V to ±20V. It has a unity-gain bandwidth of 1.2 MHz and a slew rate of 0.5 V/μs. The operating temperature range is -25°C to 85°C, making it suitable for a wide range of environmental conditions.

Detailed Pin Configuration

The LM348M/NOPB follows a standard pin configuration for operational amplifiers: 1. OUT1 2. IN- 3. IN+ 4. V- 5. OFFSET N1 6. OFFSET N2 7. V+ 8. NC 9. OUT2 10. IN- 11. IN+ 12. V- 13. OFFSET N3 14. OFFSET N4 15. V+ 16. NC

Functional Features

The LM348M/NOPB offers high input impedance, low offset voltage, and low bias current, ensuring accurate and reliable signal processing. Its quad op-amp design provides flexibility for multi-channel applications, while the small outline package enhances space efficiency in circuit designs.

Advantages and Disadvantages

Advantages

• High input impedance
• Low offset voltage
• Quad op-amp design for multi-channel applications
• Small outline package for space-efficient designs

Disadvantages

• Limited bandwidth compared to some newer op-amp models
• Slightly lower slew rate compared to high-speed op-amps

Working Principles

The LM348M/NOPB operates based on the principles of differential amplification and feedback control. When used in an amplifier circuit, it amplifies the voltage difference between its two input terminals, providing a controlled output voltage based on the applied feedback.

Detailed Application Field Plans

The LM348M/NOPB finds extensive use in audio amplifiers, active filters, sensor signal conditioning, and precision instrumentation due to its high input impedance and low offset voltage. In audio amplifiers, it can be employed for tone control and pre-amplification stages, while in active filters, it facilitates frequency response shaping and signal conditioning.

Detailed and Complete Alternative Models

Some alternative models to LM348M/NOPB include: - LM324: A similar quad op-amp with a wider supply voltage range - TL084: A quad JFET-input op-amp with higher input impedance

In conclusion, the LM348M/NOPB serves as a versatile operational amplifier with a quad design, making it suitable for various signal processing applications across different industries.

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