LM12458CIVX

Product Overview

Category: Integrated Circuit (IC)

Use: LM12458CIVX is a high-performance operational amplifier designed for use in various electronic applications. It is commonly used as a voltage amplifier, current amplifier, or buffer amplifier.

Characteristics: - High gain and bandwidth - Low input offset voltage - Low noise - Wide supply voltage range - Rail-to-rail output swing capability

Package: LM12458CIVX is available in a small outline integrated circuit (SOIC) package, which provides ease of installation and compatibility with standard PCB designs.

Essence: This IC is an essential component in electronic circuits that require accurate amplification and signal conditioning.

Packaging/Quantity: LM12458CIVX is typically sold in reels containing 250 units per reel.

Specifications

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

Detailed Pin Configuration

LM12458CIVX has a total of 8 pins arranged as follows:

``` ___________ | | ---| V+ V- |--- | | | | | | | | | | | | | | | | | | | | | | | | | |___________| | | |

---

```

Pin Configuration: 1. V+: Positive power supply 2. V-: Negative power supply 3. Inverting Input (-) 4. Non-Inverting Input (+) 5. Output 6. NC: No Connection 7. NC: No Connection 8. VCC: Positive power supply

Functional Features

• High voltage gain: LM12458CIVX provides a high open-loop voltage gain, making it suitable for applications requiring precise amplification.
• Low input offset voltage: This IC has a low input offset voltage, ensuring accurate signal processing.
• Rail-to-rail output swing: The output of LM12458CIVX can swing close to the supply voltage rails, allowing for maximum utilization of the available dynamic range.
• Wide supply voltage range: It operates over a wide range of supply voltages, providing flexibility in various circuit designs.

Advantages and Disadvantages

Advantages: - High gain and bandwidth - Low noise performance - Wide supply voltage range - Rail-to-rail output swing capability

Disadvantages: - Relatively high input bias current - Limited output current capability

Working Principles

LM12458CIVX is based on the operational amplifier (op-amp) architecture. It utilizes differential input stages, gain stages, and output stages to amplify and condition input signals. The op-amp's internal circuitry ensures high gain, low distortion, and accurate signal reproduction.

Detailed Application Field Plans

LM12458CIVX finds applications in various fields, including: 1. Audio amplification: It can be used in audio systems to amplify weak audio signals with minimal distortion. 2. Sensor signal conditioning: LM12458CIVX is suitable for amplifying and conditioning signals from sensors such as temperature sensors, pressure sensors, and light sensors. 3. Active filters: It can be utilized in active filter circuits to shape frequency response characteristics. 4. Instrumentation amplifiers: LM12458CIVX can be part of instrumentation amplifier circuits used in measurement and control systems.

Detailed and Complete Alternative Models

1. LM324: This is a quad operational amplifier with similar characteristics to LM12458CIVX.
2. TL074: A low-noise JFET-input operational amplifier suitable for high-fidelity audio applications.
3. AD8628: Precision rail-to-rail input/output operational amplifier with low noise and low distortion.

These alternative models offer similar functionality and can be considered as replacements for LM12458CIVX depending on specific requirements.

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