PCM1851APJTRG4

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Data Acquisition - ADCs/DACs - Special Purpose

The PCM1851APJTRG4 is an integrated circuit (IC), which is primarily utilized for data acquisition and signal conditioning. This device is a 4-channel 16-bit successive approximation register (SAR) analog-to-digital converter (ADC). It is designed for different kind of applications.

The main features of PCM1851APJTRG4 are as follows:

• It operates at 0 to +60°C temperature range.
• It has a sampling rate of 200 kSPS.
• It has a power supply range of +3.3V to +5.5V.
• It has an output bit width of 16 bits.
• It has a wide input range of 35 mVpp, -40V to +40V.
• It comes in a wide range of packages including 64-pin LQFP, VFBGA and TSSOP.

The PCM1851APJTRG4 includes several design blocks inbuilding analog front-end and logic blocks. In its analog front-end, there are four channels of 16-bit, low power SAR ADCs. They offer a wide input range with a number of programmable options. Its analog front-end also includes an mCLK (Simplified Clocking System) that helps to reduce clock noise, while providing a reference clock to the ADC. It also includes a Programmable Gain Amplifier (PGA) and Programmable Low Pass Filter (PLPF) which are utilized to condition incoming analog signals. At its logic blocks, which are based on integrated logic components, it includes a low power ADC digital core, and an analog/logic interface.

The working principle of PCM1851APJTRG4 is quite simple to understand. In an ADC, the incoming analog signal is sampled and compared to an internally generated reference voltage. The resulting digital codes are then readings for the linearity, gain and offset errors in the system. In PCM1851APJTRG4, the input signals is converted to digital form by the low power 16-bit SAR ADC. This digital output is further converted into linear blocks with 0.1% linearity accuracy by passing through the analog/logic interface. This allows the device to accurately measure the input signals.

Due to its high accuracy, wide input range and low power consumption, PCM1851APJTRG4 can be used in multiple types of applications. Some of its major application fields includes industrial automation, automotive electronics, instrumentation, process control, medical electronics, and machine vision. Apart from these, it can also be used in audio recording, data acquisition and environmental monitoring systems.

To conclude, PCM1851APJTRG4 is an ideal choice for data acquisition and signal conditioning purposes. This device offers high accuracy and reliability, along with a wide input range. In addition, its multi-channel design allows for multiple input signals to be processed at the same time. Thus, it is capable of meeting most of the requirements for data acquisition applications.

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