PCM1728E

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Data Acquisition – ADCs/DACs – Special Purpose

PCM1728E application field and working principle

The PCM1728E is a special-purpose 12-bit data acquisition and storage integrated circuit (IC) designed for use in professional measuring instruments. It is based on a high-performance, low-power 8-bit microcontroller that can be used for analog to digital (A/D) conversions and various other applications. The PCM1728E is part of a new generation of data acquisition and storage devices that offer superior performance and increased functionality. It is a highly advanced device that can be used for a wide range of applications.

The PCM1728E is specifically designed for use in professional measuring instruments, such as digital multimeters, oscilloscopes, and signal generators. It features two independent 8-bit digital-to-analog converters (DACs) and four independent 12-bit analog-to-digital converters (ADCs). The PCM1728E also includes an internal programmable logic array (PLA), which allows it to perform various logic functions. The device can be programmed to measure AC or DC signals, as well as single or multiple channels. The integration of the device makes it ideal for medical and industrial applications.

The core of the PCM1728E is an 8-bit microcontroller which is designed for low power consumption. This allows the device to run for extended periods without the need for external power sources. Additionally, the microcontroller can be programmed to execute user-defined algorithms. This makes the device suitable for a variety of applications, including signal archiving, digital control, and computer-controlled sampling systems.

The PCM1728E utilizes a multiplexing technique to sample multiple analog inputs and store the data in its internal memory. This multiplexing technique is made possible by the use of two ADCs, two DACs, and various logic functions. The data sampled by the device is stored in its internal memory, which can then be read by the microcontroller. The memory is organized as a 32-bit register that can store up to 16 megabytes of data.

The PCM1728E also supports power-saving technologies such as inactivity timers and enable/disable printing functions. This allows the device to operate for extended periods of time without requiring expensive active power sources. Additionally, the device can be used with third-party software, allowing users to perform tasks such as streamlining data acquisition, transferring data to and from the device, and performing user-defined calculations.

The PCM1728E is a versatile, highly integrated data acquisition and storage device. It offers superior performance and enhanced functionality for measurement applications. This device is ideal for medical, industrial, and other applications where low power consumption, flexibility, and accuracy are desired. The multiplexing technique and onboard memory make it especially suitable for real-time data acquisition and archiving.

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