DC936A

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The DC936A is a digital-to-analog converter (DAC) evaluation board from Texas Instruments. The board uses advanced high-speed DACs and provides an ideal platform for engineers to evaluate and develop solutions for high-speed applications.

Application Field

The DC936A is designed for applications that require digital output of analog signal stages, such as radar, ultrasonics, industrial motor control, and ultrasound imaging. This evaluation board utilizes the performance of Texas Instruments\' dual 16-bit, 80 MHz, high-speed DAC. The DC936A supports a range of DAC resolutions including 8, 10, 12, 14, and 16 bits. It also provides a range of analog inputs including single-ended or differential inputs as well as an optional synchronous input. The integrated on-board power supply makes it easy to connect the device to a variety of power sources.

Working Principle

A digital-to-analog converter (DAC) is an electronic device that converts a digital signal into an equivalent analog voltage or current. The DC936A evaluation board uses a differential resistor network configuration to convert the digital sample into an analog voltage output. The differential resistor network consists of a single series resistor and two resistors connected in parallel. When a digital sample is applied, the resistor network divides the difference of the two resistors into four regions to create a linear response across the range.

The DC936A evaluation board also incorporates a Digital to Analog Conversion Engine (DAC2A) which provides an optimal solution for analog voltage output applications. This engine uses a combination of digital signal processing (DSP) and analog pre-processing to ensure maximum accuracy, linearity, and resolution. The DAC2A responds quickly to changes in the digital input signals and allows conversion of digital samples with no artifacts. Furthermore, the integrated on-board power supply provides low-noise, low-jitter performance in order to maintain high signal integrity.

Conclusion

The DC936A evaluation board is an ideal solution for applications requiring a high-speed digital-to-analog conversion. It combines advanced technologies including differential resistor networks, integrated on-board power supplies, and the Digital to Analog Conversion Engine (DAC2A) to provide an unbeatable performance. By utilizing these technologies, engineers can drastically reduce device development time, improve system accuracy, and maximize system performance.

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