LM1458MX

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The LM1458MX is a dual operational amplifier (op-amp) manufactured by Texas Instruments. It is a low-cost, low-power and high-performance op-amp. LM1458MX is typically used in signal conditioning, signal amplification, and data acquisition and control applications. It comes in a standard 8-pin Dip package, making it suitable for a variety of applications.

Features

• Wide supply voltage range: ± 1 to 18 V
• Open loop gain of 100 dB
• Low offset voltage: 20 mV typical
• Low input bias current: 10 nA typical
• Low noise voltage: 10 µVrms typical
• Slew rate of 5 V/µs typical
• High speed: 3 MHz typical at ±2 V power supply
• High common-mode rejection ratio: 80 dB typical
• Low input capacitance: 4 pF typical
• Low output impedance: 0.01 Ω

Working Principle

The LM1458MX is an operational amplifier that performs the basic operations of amplifying, filtering and summing AC and DC signals. It is a differential input, single-ended output amplifier with two internal transistors. An op-amp amplifies the input signal by a factor determined by its open loop gain. It also performs non-linear operations such as filtering, wave shaping and integration. In a typical application, the input signal is passed through two or more amplifier stages and the output signal is either inverted or non-inverted from the input signal according to the resistor ratios at each input and output stage.

Application Field

The LM1458MX can be used in a variety of applications, and is most commonly used in signal conditioning, signal amplification, and data acquisition and control applications. It has wide supply voltage range and a high common-mode rejection ratio making it ideal for use in medical instrumentation, consumer electronics and aerospace. Additionally, it is also suitable for use in automotive acceleration sensors, precision instrumentation, measurement tools and ARM Cortex-M microcontrollers. Due to its low input bias current, low noise voltage and low output impedances, this op-amp is suitable for use in audio, instrumentation and scientific applications.

Conclusion

The LM1458MX is a low-cost, low-power and high-performance op-amp making it ideal for use in a variety of applications. It has a wide supply voltage range and a high common-mode rejection ratio, making it perfect for use in medical instrumentation, consumer electronics and aerospace. Additionally, its low input bias current, low noise voltage, low output impedances and high-speed performance make it the ideal choice for use in audio, instrumentation and scientific applications.

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