LM258ADR

Product Overview

Category: Integrated Circuit (IC)

Use: LM258ADR is a dual operational amplifier that is widely used in various electronic circuits for amplification and signal processing purposes.

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-8

Essence: LM258ADR is an essential component in electronic devices where precise amplification and signal conditioning are required.

Packaging/Quantity: LM258ADR is typically packaged in reels containing 2500 units per reel.

Specifications

• Supply Voltage Range: ±2V to ±18V
• Input Offset Voltage: 2mV (maximum)
• Input Bias Current: 20nA (maximum)
• Gain Bandwidth Product: 1MHz (typical)
• Slew Rate: 0.3V/µs (typical)
• Common Mode Rejection Ratio: 70dB (typical)
• Output Current: 40mA (maximum)

Detailed Pin Configuration

LM258ADR has a total of 8 pins arranged as follows:

```

---

| | --| V+ OUT |-- Pin 1: Positive Power Supply (V+) --| IN- IN+ |-- Pin 2: Inverting Input (-) --| OUT IN- |-- Pin 3: Non-Inverting Input (+) --| IN+ OUT |-- Pin 4: Output --| GND NC |-- Pin 5: Ground (GND) --| IN- OUT |-- Pin 6: Output --| IN+ OUT |-- Pin 7: Output --| V- NC |-- Pin 8: Negative Power Supply (V-) |___________| ```

Functional Features

1. Low Input Offset Voltage: LM258ADR exhibits low input offset voltage, ensuring accurate amplification and minimal distortion in the output signal.

2. High Gain Bandwidth Product: With a high gain bandwidth product of 1MHz, LM258ADR can handle a wide range of frequencies effectively.

3. Wide Supply Voltage Range: The operational amplifier can operate within a wide supply voltage range of ±2V to ±18V, making it suitable for various power supply configurations.

4. Rail-to-Rail Output Swing Capability: LM258ADR offers rail-to-rail output swing capability, allowing the output voltage to reach close to the supply voltage rails.

Advantages and Disadvantages

Advantages: - Low input offset voltage ensures accurate amplification. - High gain bandwidth product enables effective signal processing. - Wide supply voltage range provides flexibility in power supply configurations. - Rail-to-rail output swing capability allows for maximum utilization of the supply voltage range.

Disadvantages: - Limited output current may restrict its use in applications requiring higher current capabilities. - Slew rate could be improved for faster response times in certain applications.

Working Principles

LM258ADR operates based on the principles of operational amplifiers. It utilizes differential inputs to amplify the voltage difference between the inverting and non-inverting terminals. The amplified output is then fed back to the input through a feedback network, which determines the overall gain and behavior of the circuit.

Detailed Application Field Plans

LM258ADR finds extensive application in various fields, including but not limited to: - Audio amplification circuits - Signal conditioning circuits - Active filters - Instrumentation amplifiers - Voltage-controlled oscillators

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to LM258ADR are: - LM358ADR - LM324ADR - TL072CP - TL082CP

These alternatives offer similar functionality and characteristics, providing options for different design requirements.

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