LM1458MX

Product Overview

Category: Integrated Circuit (IC)

Use: LM1458MX is a dual operational amplifier that is commonly used in audio and general-purpose applications.

Characteristics: - High gain - Low input offset voltage - Wide bandwidth - Low noise - High output current capability

Package: LM1458MX is available in an 8-pin SOIC (Small Outline Integrated Circuit) package.

Essence: The essence of LM1458MX lies in its ability to amplify signals accurately and efficiently, making it suitable for various electronic circuits.

Packaging/Quantity: LM1458MX is typically sold in reels containing 2500 units per reel.

Specifications

• Supply Voltage Range: ±3V to ±18V
• Input Offset Voltage: 2mV (maximum)
• Input Bias Current: 20nA (maximum)
• Input Offset Current: 5nA (maximum)
• Gain Bandwidth Product: 1MHz (typical)
• Slew Rate: 0.5V/µs (typical)
• Output Current: 40mA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

LM1458MX has a total of 8 pins arranged as follows:

```

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| | --| IN- OUT|-- Pin 1: Non-Inverting Input (Op-Amp 1) --| IN+ V-|-- Pin 2: Inverting Input (Op-Amp 1) --| V+ VCC|-- Pin 3: Positive Power Supply --| OUT IN-|-- Pin 4: Non-Inverting Input (Op-Amp 2) --| V- NC|-- Pin 5: Negative Power Supply (Ground) --| IN+ OUT|-- Pin 6: Inverting Input (Op-Amp 2) --| NC NC|-- Pin 7: Not Connected --| NC VCC|-- Pin 8: Positive Power Supply |___________| ```

Functional Features

• Dual operational amplifier in a single package
• High voltage gain
• Low input offset voltage and current
• Wide bandwidth for accurate signal amplification
• Suitable for audio and general-purpose applications
• Can drive low impedance loads
• Stable under capacitive loads

Advantages and Disadvantages

Advantages: - High gain allows for precise signal amplification - Low noise ensures clean audio reproduction - Wide bandwidth enables accurate frequency response - Can operate with a wide range of power supply voltages - Suitable for various applications due to its versatility

Disadvantages: - Limited output current compared to specialized amplifiers - Not suitable for high-power applications - May require additional external components for specific circuit configurations

Working Principles

LM1458MX operates based on the principles of operational amplifiers. It uses differential inputs to amplify the voltage difference between the non-inverting and inverting inputs. The amplified output is then fed back to the inputs through a feedback network, allowing for controlled amplification.

Detailed Application Field Plans

LM1458MX finds applications in various fields, including: 1. Audio amplification circuits 2. Active filters 3. Instrumentation amplifiers 4. Signal conditioning circuits 5. Voltage-controlled oscillators 6. Voltage regulators 7. Sensor interfaces

Detailed and Complete Alternative Models

Some alternative models to LM1458MX that offer similar functionality are: 1. LM358MX: A single operational amplifier with similar characteristics. 2. TL072CP: A dual operational amplifier with low noise and high slew rate. 3. NE5532P: A dual operational amplifier with low distortion and high output current capability. 4. LM324N: A quad operational amplifier with low power consumption and wide supply voltage range.

These alternative models can be considered based on specific requirements and circuit design considerations.

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