ADA4859-3ACPZ-RL

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The ADA4859-3ACPZ-RL is a low-noise, wide-bandwidth specialized amplifier targeted at a variety of linear applications, such as video amplifiers and modules. This amplifier is designed to provide a high slew rate, low-noise operation, and a low input offset voltage. It is made with a high-performance low-noise bipolar transistor and a complementary metal-oxide-semiconductor (CMOS) technology, resulting in a reliable and efficient output.

The ADA4859-3ACPZ-RL amplifier has a low-noise capability of 21 nV/√Hz at its output and an ultra-low input-offset voltage (< 100 µV). It offers excellent gains ranging from 20 dB to 50 dB, with a maximum bandwidth of 1 MHz and a power supply range of 3V – 12V. The amplifier also features a wide bandwidth flat group delay of typically 48 ns and a total harmonic distortion of 0.006%. This makes it ideal for applications such as video amplifiers and modules, where it is important to maintain high levels of performance.

ADA4859-3ACPZ-RL is typically used as a closed loop amplifier, where the input voltage is combined with a feedback voltage and the resulting output voltage is fed back to the input to adjust the gain of the amplifier. The amplifier features a high slew rate of 40 V/µs, making it suitable for applications that require a high speed of response, such as video amplifiers. Moreover, the amplifier offers excellent temperature stability against temperature variations, such as from ambient temperature changes, so it can be used in a wide range of temperature conditions.

In addition, the ADA4859-3ACPZ-RL amplifier offers excellent common-mode rejection ratio (CMRR) characteristics, with a CMRR of typically 150 dB at its high-frequency range. This makes it extremely resistant to external noise sources, such as radio frequency interference (RFI), and allows it to be used reliably in noise-sensitive applications. The amplifier has a high input impedance of typically 5 MΩ as well, allowing it to draw very small currents from the input signal.

In conclusion, the ADA4859-3ACPZ-RL amplifier is a reliable and efficient amplifier designed for linear applications such as video amplifiers and modules. Its high slew rate, low-noise performance, and excellent gains makes it suitable for high-speed applications, while its high CMRR ensures noise immunity. Its wide bandwidth flat group delay and total harmonic distortion characteristics make it a great choice for video amplifiers and modules.

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