MC1458IN

Product Overview

• Category: Integrated Circuit (IC)
• Use: Operational Amplifier
• Characteristics: Dual General-Purpose Op-Amp, Low Power Consumption
• Package: DIP-8 (Dual Inline Package with 8 pins)
• Essence: The MC1458IN is a versatile operational amplifier that can be used in various applications due to its general-purpose nature and low power consumption.
• Packaging/Quantity: Available in tubes or reels, with quantities varying based on the supplier.

Specifications

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

Pin Configuration

The MC1458IN has a DIP-8 package with the following pin configuration:

___________ Vcc | 1 8 | Vout Vin-| 2 7 | Vee Vin+| 3 6 | Output N/C| 4 5 | N/C -----------

Functional Features

• Dual Op-Amp: The MC1458IN consists of two independent operational amplifiers in a single package, allowing for multiple applications.
• Low Power Consumption: It operates at a low supply voltage and consumes minimal power, making it suitable for battery-powered devices.
• Wide Supply Voltage Range: The IC can operate within a wide range of supply voltages, providing flexibility in different circuit designs.
• High Gain Bandwidth Product: With a gain bandwidth product of 1MHz, it can handle various signal amplification requirements.
• Low Input Offset Voltage: The input offset voltage is minimized to ensure accurate amplification and signal processing.

Advantages and Disadvantages

Advantages: - Versatile: Can be used in a wide range of applications due to its general-purpose nature. - Low Power Consumption: Ideal for battery-powered devices or low-power circuits. - Dual Op-Amp: Provides flexibility in circuit design and saves board space.

Disadvantages: - Limited Bandwidth: The gain bandwidth product of 1MHz may not be sufficient for high-frequency applications. - Input Offset Voltage: Although minimized, the input offset voltage can still affect precision in certain applications.

Working Principles

The MC1458IN is based on the operational amplifier (op-amp) principle. It amplifies the difference between the voltages applied to its inputs and produces an output voltage proportional to this difference. The op-amp consists of differential input stages, gain stages, and output stages, all integrated into a single chip.

Detailed Application Field Plans

The MC1458IN can be used in various applications, including but not limited to: - Audio Amplifiers - Signal Conditioning Circuits - Active Filters - Instrumentation Amplifiers - Voltage Comparators - Oscillators

Alternative Models

Some alternative models that can be considered as replacements for the MC1458IN are: - LM358 - TL072 - NE5532 - LM324

These alternatives offer similar functionality and characteristics, allowing for easy substitution in most applications.

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