SY88713VKC

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Linear amplifiers are electronic components designed to manipulate electrical signals linearly. Special purpose linear amplifiers, such as the SY88713VKC, can be used in a wide range of applications, from automotive sensors to hearing aids and more. In this article, we will discuss the application field and working principle of the SY88713VKC.

The SY88713VKC is a wideband low-power CMOS-based amplifier and is often used in automotive sensor applications, as it is cost-effective, consumes less power, and offers good linearity. It also offers low harmonic distortion and a high gain-bandwidth (GBW) product of 11MHz. Other possible applications include hearing aids, communication systems, test equipment, optical devices, and other consumer electronic products.

The SY88713VKC consists of two cascaded transconductance amplifiers and has a differential-input and single-ended output. It has a wide open-loop gain from 6dB to 12dB, allowing it to amplify signals across the frequency band from 200kHz to 1MHz. The input voltage range of the SY88713VKC is from -2.0V to +3.0V, allowing it to be used for more sensitive applications. Additionally, the output voltage range is from -1.6V to +1.6V, allowing it to be used in applications where power consumption must be kept low.

The SY88713VKC\'s working principle is based on a transconductance amplifier, which is a type of amplifier that amplifies the input voltage by controlling the amount of current supplied to a load. The transconductance amplifier consists of a differential input stage, an output buffer, and an internal voltage reference.

The input stage consists of two differential amplifiers and a unity gain follower. The differential amplifiers amplify the input signal by providing a voltage gain. The follower amplifies the differential output produced by the differential amplifiers, resulting in a single-ended output.

The output buffer increases the current driven by the output stage, resulting in increased output voltage. The internal voltage reference controls the amount of current supplied to the load, depending on the input voltage.

In conclusion, the SY88713VKC is a wideband low-power CMOS-based amplifier used in automotive sensor applications and other consumer electronics. It offers good linearity, low power consumption, and a high gain-bandwidth product of 11MHz. The working principle of the amplifier is based on a transconductance amplifier, which consists of a differential input stage, an output buffer, and an internal voltage reference.

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