PCM55JP

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PCM55JP, also known as Pulse-width Modulation (PWM) to 13-bit Current Mode Digital-to-Analog Converter (DAC) or PWM-to-CMDAC, are high-precision integrated circuits particularly suitable for use in heavy-duty and/or harsh environments. They are used for controlling current sources in machines, vehicle, and other applications where precision and accuracy are required. As such, they offer a range of features geared towards meeting the demands of their application field and offering a stable, accurate output.

The PCM55JP is designed with a differential linear current output designed to drive the output to its desired value, allowing for a range of applications from driving actuators, servos, and other devices and processes requiring precision current flow.

At the core of the PCM55JP design is the use of a 16-bit median filter, which allows for the removal of noise and corrosion on the input signals so that an output close to the desired value is obtained. The filter also allows for a wide range of features such as pulse-width compensation, fault monitoring, and temperature compensation helping to maximize the stability of the output. The filter is operated by a temperature compensated Twin-T oscillator, which can be powered by a crystalline or ceramic oscillator allowing for small and lightweight devices on which the PCM55JP can be mounted.

The device allows for a voltage input range of 0 - 10V and offers a single, two-bit DAC output. The output is calculated by taking the product of the peak accuracies of the voltage and current channels, as well as an optional multiplier factor or multiplicative factor set by the user. The multiplier can be set to one or two, allowing for an output current of 1 to 10 mA and 0 to 10 mA respectively, providing a good range of flexibility.

The PCM55JP is equipped with a number of protection features which ensure the safe and efficient operation of the device. It includes a wide range of protection against power supply voltage, power line irregularities and ESD, protecting the device from any damage due to external factors.

The PCM55JP also has a wide range of diagnostic features built in, allowing users to easily monitor the device and its behaviour. These include an adjustable temperature monitor, reverse current protection and an adjustable gain monitor. This combination of features ensures that any issues that are detected are quickly identified and responded to, allowing for improved reliability and operation.

Overall, the PCM55JP is an effective integrated circuit designed to drive current sources with precision and accuracy, making them suitable for a wide range of applications. Combined with its variety of protection and diagnostic features, it is an effective choice for applications where accuracy and stability are required. As such, the PCM55JP is seen as one of the most reliable and accurate devices for current source manipulation.

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