DEM-DAI1804

Series:	--
Part Status:	Obsolete
Number of A/D Converters:	2
Number of Bits:	24
Sampling Rate (Per Second):	192k
Data Interface:	Serial
Input Range:	±2.5 V
Power (Typ) @ Conditions:	235mW @ 192kSPS
Utilized IC / Part:	PCM1804
Supplied Contents:	Board(s)

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Analog-to-digital converters (ADCs) are essential components of many modern consumer and industrial products, including cell phones, radios, medical devices, and military equipment. They convert analog input signals into digital data, allowing for more precise manipulation and control in a variety of applications. The DEM-DAI1804 evaluation platform is an advanced, high-performance ADC specifically designed for use in automotive, industrial, and medical markets. It features a wide variety of programmable features, as well as a range of analog inputs and outputs. In this article, we will discuss the application field and working principle of the DEM-DAI1804 evaluation board.The DEM-DAI1804 is a 24-bit ADC operating from a single-ended input of 0 to 5 volts. It has a sampling rate of up to 80 MHz and a maximum sampling rate of 1.2 GSPS. It is designed to support a range of analog and digital interface protocols, including MIL-STD-1553, CAN, RS-485, and Ethernet. The board also features an onboard processor (FPGA) to enable real-time sampling and control of the ADC.The evaluation board is capable of integrating various functions such as signal measurement, analog-to-digital conversion, digital filtering, and signal-to-noise ratio (SNR) measurement. Additionally, the board has the capability to perform self-calibration, which eliminates the need for external calibration. This feature ensures accurate operation over a wide range of temperatures and helps reduce the cost of maintenance over the lifetime of the product.In addition to its wide range of features, the DEM-DAI1804 evaluation board also offers a variety of connectivity options. It supports various communication protocols such as USB, CAN, Ethernet, and RS485. It can be used with a variety of microcontrollers and microprocessors, including Arduino, Raspberry Pi, and STM32. Additionally, the board includes a range of development tools, including a demo program, a data logger, and example code.The DEM-DAI1804 evaluation board operates on the principle of successive approximation-based conversion. In this type of conversion, the input analog signal is sampled at regular intervals and then quantized to the nearest discrete value. This process is repeated for each additional sample until the desired resolution is achieved. The circuit implements a comparator that compares the sampled signal with a reference voltage, generating digital output values that represent the analog input.The DEM-DAI1804 evaluation board offers a high level of accuracy and performance. It is optimized for high-speed, low-noise operation, and supports up to 80MHz sampling and 1.2GSPS conversion rates. It also includes a wide range of features, including an onboard processor for real-time control, a self-calibration feature for accuracy, and a range of connectivity options. Designed to meet the needs of automotive, industrial, and medical markets, the DEM-DAI1804 evaluation board is an excellent choice for applications where accurate, high-speed analog-to-digital conversion is required.

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