LM2902VDR2

Product Overview

Category: Integrated Circuit (IC)

Use: The LM2902VDR2 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 gain bandwidth product - Wide supply voltage range - Rail-to-rail output swing capability

Package: SOIC-14 (Small Outline Integrated Circuit), which is a surface-mount package with 14 pins.

Essence: The LM2902VDR2 is an essential component in many electronic devices and systems, providing amplification and signal processing capabilities.

Packaging/Quantity: The LM2902VDR2 is typically sold in reels or tubes, containing a quantity of 250 or 300 units per package.

Specifications

• Supply Voltage Range: 3V to 32V
• Input Offset Voltage: ±2mV (maximum)
• Input Bias Current: ±25nA (maximum)
• Gain Bandwidth Product: 1MHz (typical)
• Slew Rate: 0.5V/µs (typical)
• Common Mode Rejection Ratio: 70dB (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The LM2902VDR2 has a total of 14 pins, arranged as follows:

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| | --| V+ Vcc |-- Pin 1: Positive Power Supply --| IN- OUT |-- Pin 2: Inverting Input / Output --| IN+ IN- |-- Pin 3: Non-Inverting Input / Inverting Input --| OUT IN+ |-- Pin 4: Output / Non-Inverting Input --| IN- OUT |-- Pin 5: Inverting Input / Output --| IN+ IN- |-- Pin 6: Non-Inverting Input / Inverting Input --| OUT IN+ |-- Pin 7: Output / Non-Inverting Input --| IN- OUT |-- Pin 8: Inverting Input / Output --| IN+ IN- |-- Pin 9: Non-Inverting Input / Inverting Input --| OUT IN+ |-- Pin 10: Output / Non-Inverting Input --| IN- OUT |-- Pin 11: Inverting Input / Output --| IN+ IN- |-- Pin 12: Non-Inverting Input / Inverting Input --| OUT IN+ |-- Pin 13: Output / Non-Inverting Input --| Vee |-- Pin 14: Negative Power Supply |___________| ```

Functional Features

• Low input offset voltage ensures accurate signal amplification.
• High gain bandwidth product allows for amplification of high-frequency signals.
• Wide supply voltage range enables operation in various power supply configurations.
• Rail-to-rail output swing capability provides maximum output voltage range.

Advantages and Disadvantages

Advantages: - Low input offset voltage enhances precision in signal processing applications. - High gain bandwidth product enables amplification of a wide range of frequencies. - Wide supply voltage range offers flexibility in power supply selection. - Rail-to-rail output swing capability ensures maximum utilization of the output voltage range.

Disadvantages: - Limited number of operational amplifiers (4) in a single package. - Relatively low slew rate may limit the amplifier's ability to respond quickly to rapid changes in input signals.

Working Principles

The LM2902VDR2 operates as a voltage amplifier, taking an input voltage and amplifying it to a higher level. It utilizes internal circuitry to provide accurate amplification while minimizing distortion and noise. The operational amplifier's output is determined by the difference between its non-inverting and inverting inputs, which can be adjusted using external resistors.

Detailed Application Field Plans

The LM2902VDR2 finds applications in various fields, including: 1. Audio amplification circuits 2. Sensor signal conditioning 3. Active filters 4. Voltage regulators 5. Signal generators 6. Oscillators 7. Comparators 8. Instrumentation amplifiers

Detailed and Complete Alternative Models

Some alternative models that can be used as substitutes for the LM2902VDR2 include: - LM324 - TL074 - MC34074 - CA3140 - OP07

These alternatives offer similar functionality and characteristics, allowing for flexibility in design choices.

In conclusion, the LM2902VDR2 is a versatile quad operational amplifier widely used in various electronic applications. Its low input offset voltage, high gain bandwidth product, and rail-to-rail output swing capability make it suitable for precision signal processing