ADA4938-2ACPZ-R7

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The ADA4938-2ACPZ-R7 is a special purpose amplifier that offers a low-noise, high-performance linear-amplifier solution in a small, surface-mount plastic package. This amplifier is a low-power, high-frequency amplifier with a maximum supply voltage of 8V, making it suitable for use in circuits such as mobile phones, WiFi radios, and digital audio systems where power consumption must be kept to a minimum. Due to its wide bandwidth, low power consumption and low noise, this amplifier is an ideal choice for applications such as filtering, signal amplification and improving SNR.

The ADA4938-2ACPZ-R7 operates on a single supply, offers a low noise figure of -78dBV, and provides a maximum gain bandwidth product of 1.6GHz. The low noise amplifier also helps to lower power consumption as well as improve dynamic range. Furthermore, the amplifier offers a gain flatness of 0.45dB up to 500 MHz, making it ideal for many different applications. Additionally, the ADA4938-2ACPZ-R7 offers low harmonic distortion and high output current.

The ADA4938-2ACPZ-R7 is a versatile amplifier that is suitable for a wide range of applications due to its excellent noise figure, low power consumption, and small size. The integrated level-shifting control signal allows for increased signal distortion, making it ideal for video processing and signal conditioning applications. Additionally, the amplifier supports a wide output voltage range of up to 5V and is able to drive up to 50ohms in drain current. Finally, the amplifier offers a wide operating temperature range of -40 to +85°C, making it suitable for both commercial and industrial applications.

The ADA4938-2ACPZ-R7 relies on two different stages: the first is a unity-gain voltage follower that amplifies the signal by using a unity-gain operational amplifier. This operational amplifier provides high linearity, reduced noise, and improved reliability. The second stage is a differential-ether mode driver that provides a low-offset current to the output transistor. This current controls the current of the output transistor, which varies the current gain of the amplifier. The amplifier is able to operate over a wide frequency range from DC to 2.5GHz due to its wide bandwidth and low noise figures. Additionally, the amplifier provides a low input bias current, making it ideal for use with low-level input signals.

In summary, the ADA4938-2ACPZ-R7 is a versatile and low-power linear amplifier that can be used in a wide range of applications such as filtering and signal conditioning. The amplifier offers a wide bandwidth, low noise, low power consumption, and small size. Finally, the amplifier provides high linearity, low distortion, and improved reliability.

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