DC918C-L

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The DC918C-L series evaluation board is a general purpose analog-digital converter (ADC) series, developed and manufactured by Texas Instruments. It is a high-speed, low-power converter board for evaluation purposes, and is designed to provide ease of use and a wide range of applications. The board can be used for testing of analog-digital components, providing a high degree of accuracy and flexibility for multiple use cases.

The DC918C-L evaluation board consists of two, four-channel 12-bit, integrated, high-speed analog-digital converters (ADCs), together with two onboard, low-voltage switching regulators. The board also offers full connectivity with dedicated channel/LED indication, making it suitable for a wide range of precision applications.

In terms of performance, the DC918C-L series boasts a sampling rate of up to 24 MHz, with a resolution of up to 11.9 bits. It also has an input resistance of less than 2 picoamps, thereby reducing the amount of noise entering the system. In addition, it has an internal zero-scale offset and full-scale offset of less than ± 0.2%. The maximum on-board offset and gain accuracy are between ± 1.25% and 2.5%, respectively.

In terms of power efficiency, the DC918C-L evaluation board offers an average supply current of 160 mA, along with a low standby and sleep current of less than 1 µA. It also features a wake-up time of 1 ms and a maximum input voltage range of ± 10 V. Additionally, the board is certified as RoHS compliant, making it suitable for industrial applications.

In terms of applications, the DC918C-L series evaluation board is suitable for a variety of precision analog-digital conversion applications, such as industrial, automotive, and telecommunications. It is also suitable for high-speed signal testing and data acquisition, as well as for general-purpose data evaluation in a PC. With its high-speed sampling rate and precision analog-digital conversion capabilities, the DC918C-L is an ideal choice for a wide range of applications.

The DC918C-L series evaluation board utilizes a digital-sigma delta converter technique to convert analog signals into digital signals. This technique makes use of a delta-sigma modulator to sample the analog input signal at a fixed rate, and then uses a low-pass filter to reconstruct the converted digital signal from the modulator. This technique is ideal for achieving higher resolution and precision than traditional conversion methods. Additionally, the digital-sigma delta converter allows the board to operate over a wide frequency range.

The DC918C-L evaluation board can be easily interfaced with microcontrollers or other system components, thanks to its built-in SPI and I2C interface. It also provides onboard test points for easy debugging and troubleshooting purposes. In addition, the board can be used in standalone applications by utilizing USB port on the board. This allows for easy calibration and data transfer between the board and the computer.

Overall, the DC918C-L evaluation board is an ideal choice for any precision analog-digital conversion project. With its high-precision performance and ease of integration, the board is applicable to a wide range of applications, such as industrial, automotive, and telecommunications. In addition, its low-power design and USB connectivity make it an ideal choice for both standalone applications and embedded systems.

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