A digital pressure measurement system has a pressure sensor, an ADC and the required signal conditioner for the maximum measurement sensitivity. The pressure sensor measurement range is between 12 mmHg and 393 mmHg and output voltage range is between -3V and 7V. The sensor works linearly. For an analog to digital converter the input voltage range is between 0 to 5V and the quantization level is 128. If the digital output value was 82 what will be the measured pressure value in terms of mmHg?

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Analog to Digital Converters

The analog-to-digital converter (ADC) allows circuits controlled by microprocessors, Arduinos, Raspberry Pi, and various reasonable digital circuits to be connected to the real world. In the real world, analog signals have a continuous stream of information from a variety of sources and sensors capable of measuring sound, light, temperature, or movement, in addition to the many digital systems that interact with their environment by measuring analog signals from those transducers.