LM359MX

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The LM359MX is a monolithic integrated amplifier chip produced by National Semiconductor that can be used as a low power single supply amplifier. It can drive a load up to 500mW and has an output voltage of up to 48V. It can be used in voltage or current feedback configurations and is commonly used in control systems, motor controllers, audio amplifiers, ADCs and DACs, and instrumentation. This article will look at the general application field for the LM359MX and describe its working principles.

Application Field

The LM359MX is a versatile amplifier that can be used in various applications. It can be used in control systems, motor controllers, and instrumentation. The precision current mode amplifier can be used to produce signals that accurately control motors and in systems with high noise immunity. It can also be used in signal conditioning and signal generation in instrumentation applications. In addition, it can be used in audio amplifiers, and ADCs and DACs.

Working Principle

The LM359MX is a dual operational amplifier that uses a compound amplifier circuit. This structure reduces the operating power and increases the slew rate. It has a common mode input voltage that ranges from zero to 24V, which allows for a wide variety of signal conditioning applications. The open loop gain of the LM359MX is typically 85dB and its common mode rejection ratio is typically 90dB.

The LM359MX is designed to operate on single supply voltage and its current consumption is usually in the range of 1mA to 2mA. This makes the circuit very suitable for low power applications. The LM359MX has two input pins that allow for the application of single ended input signals, differential input signals and voltage feedback configurations. Its output stage is capable of providing saturated output.

The LM359MX also includes protection features such as thermal protection and short circuit protection. The short circuit protection feature prevents the amplifier from sustaining damage due to short circuit conditions. The thermal protection feature shuts down the amplifier when the operating temperature reaches an elevated level. Additionally, the LM359MX has low distortion, excellent output impedance, and low noise characteristics.

The LM359MX is a versatile, low power amplifier that can be used in many applications that require low power consumption, high accuracy and low noise performance. Its wide input voltage range, high slew rate, low distortion, and protection features make it a reliable device for both industrial and consumer applications.

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