LM224KANG4

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The LM224KANG4 is a sot23-5 numbered, single-supply quad operational amplifier in a miniature thermally enhanced surface mount package. This type of linear amplifier combines excellent accuracy and outstanding low power performance with a wide range of voltage and current options.

The LM224KANG4 is especially suited for applications where low power, low noise and high accuracy are desired. Some uses include low power general purpose amplifiers, low power data acquisition, low power analog-to-digital conversion, low voltage amplifiers, and instrumentation amplifiers.

Application Field

The LM224KANG4 has a low noise figure and good input characteristics, making it suitable for a wide range of applications in the Linear, Amplifiers, Instrumentation, OP Amps, Buffer Amps and other instrumentation categories. Low power audio amplifiers, low power instrumentation amplifiers, high input impedance amplifiers, low power data acquisition, independent source biasing and low voltage amplifiers are all possible applications with the LM224KANG4.

Working Principle

The LM224KANG4 offers a straightforward design with an output voltage level in proportion to an input current. It works on the basis of the input current and output voltage of operational amplifiers, which are designed to be powered by a single voltage. The LM224KANG4 has a low-noise characteristic making it suitable for applications involving sensitive measurements. Because of its low power nature, it is often used in battery-powered equipment.

The output voltage of an operational amplifier is generally proportional to its input current and the input current of an IC is typically divided into sub inputs which are connected to a single output. This means that the output voltage of the LM224KANG4 will be a product of the sub inputs. The inputs can be connected to various sources, and their corresponding output voltage is summed to give the output voltage of the IC. By increasing or decreasing the input current the output voltage can be adjusted to the desired setting.

The LM224KANG4 also feature slew rate limiting on the input pins, protecting against high frequency noise. In addition, the LM224KANG4 is protected with latch-up immunity, short-circuit protection, and voltage regeneration features. Together, these features make the LM224KANG4 well suited for many high-accuracy, low-power applications.

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