LM1458CM

Product Overview

Category: Integrated Circuit (IC)

Use: LM1458CM 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

Package: LM1458CM is available in an 8-pin SOIC (Small Outline Integrated Circuit) package.

Essence: The essence of LM1458CM lies in its ability to amplify signals with high precision and low distortion.

Packaging/Quantity: LM1458CM is typically sold in reels or tubes, with each reel/tube containing a specific quantity of ICs. The exact quantity may vary depending on the manufacturer.

Specifications

Supply Voltage Range: ±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)
Common Mode Rejection Ratio: 70dB (typical)
Operating Temperature Range: -40°C to +85°C

Pin Configuration

LM1458CM has a total of 8 pins, which are labeled as follows:

Non-Inverting Input (Op-Amp 1)
Inverting Input (Op-Amp 1)
V-
Output (Op-Amp 1)
Offset Null (Op-Amp 1)
Output (Op-Amp 2)
V+
Non-Inverting Input (Op-Amp 2)

Functional Features

Dual operational amplifier in a single package
High voltage gain
Low input offset voltage
Wide bandwidth for accurate signal amplification
Low noise for improved signal quality

Advantages and Disadvantages

Advantages: - High gain allows for precise signal amplification - Low input offset voltage minimizes distortion in amplified signals - Wide bandwidth enables accurate amplification of a wide range of frequencies - Low noise ensures high-quality audio reproduction

Disadvantages: - Limited slew rate may affect the amplifier's ability to accurately reproduce fast-changing signals - Requires external compensation for stability in certain applications

Working Principles

LM1458CM operates based on the principles of operational amplifiers. It amplifies the difference between the voltages at its non-inverting and inverting inputs, producing an output voltage that is proportional to this difference. The gain and other characteristics of the amplifier can be adjusted using external components.

Detailed Application Field Plans

LM1458CM finds applications in various fields, including: 1. Audio amplification circuits 2. Active filters 3. Instrumentation amplifiers 4. Signal conditioning circuits 5. Voltage-controlled oscillators

Detailed and Complete Alternative Models

Some alternative models to LM1458CM include: - LM358 - TL072 - NE5532 - OP07

These alternatives offer similar functionality and are widely used in audio and general-purpose applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LM1458CM v technických řešeních

Sure! Here are 10 common questions and answers related to the application of LM1458CM in technical solutions:

Q: What is LM1458CM? A: LM1458CM is a dual operational amplifier (op-amp) integrated circuit commonly used in various electronic applications.
Q: What is the voltage supply range for LM1458CM? A: The voltage supply range for LM1458CM is typically between ±3V and ±18V.
Q: What is the maximum output current of LM1458CM? A: The maximum output current of LM1458CM is around 20mA.
Q: Can LM1458CM be used as a voltage comparator? A: Yes, LM1458CM can be used as a voltage comparator, but it may not be as precise or fast as dedicated comparators.
Q: How many op-amps are there in LM1458CM? A: LM1458CM contains two independent op-amps, making it suitable for dual-channel applications.
Q: What is the input offset voltage of LM1458CM? A: The input offset voltage of LM1458CM is typically around 2mV.
Q: Can LM1458CM operate in a single-supply configuration? A: Yes, LM1458CM can operate in a single-supply configuration by connecting the negative supply pin (V-) to ground.
Q: What is the bandwidth of LM1458CM? A: The bandwidth of LM1458CM is typically around 1MHz.
Q: Is LM1458CM suitable for audio applications? A: Yes, LM1458CM can be used in audio applications such as preamplifiers, audio mixers, and tone control circuits.
Q: Can LM1458CM drive capacitive loads? A: Yes, LM1458CM can drive capacitive loads, but it may require additional compensation to maintain stability.

Please note that the answers provided are general and may vary depending on specific datasheet specifications and application requirements.