ADUM4190SRIZ-RL

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ADUM4190SRIZ-RL Application field and Working Principle

The ADUM4190SRIZ-RL is a special purpose linear amplifier designed to amplify electrical signals in a variety of applications. It is used in automotive, audio, industrial, and medical applications to increase the effectiveness of electrical signals.

The ADUM4190SRIZ-RL operates on a single 3.3 VVDC power supply. It has a peak input voltage of 5 V and a maximum output voltage of 20 V, allowing for good signal headroom for a wide range of input signals. The output impedance is 1.2 kOhms, allowing for a high level of accuracy in signal gain and minimal loss of signal passing through. It is a low distortion amplifier, with an THD of less than 0.1%.

The ADUM4190SRIZ-RL uses a linear-in-dB (LIN-DB) architecture with differential voltage inputs and single-ended voltage output. The differential inputs allow for higher input signal and better noise rejection compared to single-ended inputs. The amplifier has four gain settings, allowing for a wide range of uses, from low-level amplification to high-level signal boosting.

The ADUM4190SRIZ-RL also has two differential outputs to provide both isolated voltage outputs and immunity from noise pickup. There is also an external bias voltage amplifier that can be used to reduce the quiescent current to a low level, making it suitable for low-power applications.

The ADUM4190SRIZ-RL is a versatile amplifier with a wide range of applications. It is used in audio amplifiers and receivers, automotive audio systems, medical imaging systems, telecommunication systems, and many other industrial and consumer applications. It is also well suited for use as a preamplifier in medical imaging systems and other test and measurement applications.

In addition to its use in audio amplifiers, the ADUM4190SRIZ-RL can be used in a variety of applications, such as optical digital to analog converters, high-precision instrumentation amplifiers, wide-bandwidth differential amplifiers, active filter networks, and power supplies.

The working principle of the ADUM4190SRIZ-RL is based on the liner-in-dB (LIN-DB) architecture. The two differential inputs are connected to two resistors connected in parallel between the two inputs. The output is connected to the junction of the two resistors. When a signal is applied to the inputs, the differential signal is amplified and the signal is then amplified at the output.

The gain of the amplifier is controlled by the three gain settings of the amplifier. The output voltage is also limited by the maximum output voltage rating of the amplifier. The ADUM4190SRIZ-RL also has an external bias voltage amplifier that allows for a high level of accuracy in signal gain and minimal signal loss.

The ADUM4190SRIZ-RL is an excellent linear amplifier for a variety of applications. It has a wide input range and high output voltage rating, making it suitable for use in amplifying low-level and high-level signals. In addition, it has a low-distortion output, with an THD of less than 0.1%. Its differential inputs provide higher input signal and better noise rejection. The external bias voltage amplifier also allows for precise control of the signal gain, allowing for optimal performance in a variety of applications.

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