AD632TH/883B Integrated Circuits (ICs)

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The AD632TH/883B is part of a family of linear/analog multipliers/dividers from Analog Devices. These devices are primarily intended for sampling applications, like closed-loop control circuits, signal processing, data acquisition, professional audio and broadcasting. In general, Analog Devices’ linear/analog multipliers/dividers are used for a variety of analog signal processing operations such as filtering, signal balancing, signal mixer and signal transformers. They are also used for sampling and encoding, analog video, RF measurements, and communication systems.

The AD632TH/883B is a two-quadrant multiplier/divider, which combines a set of fine gain and division ratios with low distortion, low group delay and high bandwidth performance. This multiplier/divider operates by combining a multiplier/divider circuit with an 8-bit DAC and a high-speed analog multiplier. As the output is directly proportional to the input, the AD632TH/883B can provide a wide range of gain and division ratios for multiple channel sampling systems. It also features a wide range of control inputs, allowing it to be used in a variety of applications.

The AD632TH/883B consists of two sections. The amplifier section consists of a differential amplifier input stage, followed by a variable gain amplifier (VGA) stage, and finally a summing amplifier. The variable gain amplifier stage provides a wide range of gain and attenuation and can be used to set the output level of the device. The summing amplifier is used to combine all inputs, allowing high-performance signal separation, signal mixing and noise reduction. The DAC section consists of a voltage-controlled eight-bit digital-to-analog converter, which converts the digital input signal into an analog reference voltage.

When the DAC output is supplied to the analog multiplier section, it combines two input voltages. The first input is a reference voltage, generated from the DAC. The second input is the input signal, which can be either analog or digital in nature. The multiplier then produces a scaled output that is proportional to the voltage of the reference voltage. The combination of the two inputs create a gain or division ratio that is determined by the reference voltage, the control inputs and the input signal. By varying the reference voltage, the AD632TH/883B can be made to produce a wide range of gains and division ratios for multiple channel sampling systems.

The AD632TH/883B can be used in a wide variety of applications, such as signal mixing, signal splitting, signal conditioning, and signal encoding. It provides a wide range of gain and division ratios while minimizing distortion and group delay. Additionally, the device is capable of supporting a wide variety of reference voltage levels, providing flexibility and compatibility with most signal conditioning systems. In summary, the AD632TH/883B is a high-performance device that can be used for a variety of signal conditioning applications.

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