Texas Instruments recommends following a star-grounding topology, keeping analog and digital grounds separate, and using a solid ground plane to minimize noise. Additionally, keep the analog and digital signal traces separate and avoid crossing them over each other.
To achieve a bipolar output, you can use an external op-amp to level-shift and amplify the output of the DAC. Alternatively, you can use a voltage translator or a dedicated bipolar DAC amplifier.
The maximum update rate of the DAC63001RTER is 1 MSPS. The output settling time is dependent on the update rate, output capacitance, and the desired settling accuracy. As a general guideline, the output settling time is typically around 1-2 microseconds for a 1 MSPS update rate.
Use a high-quality, low-noise power supply with a minimum of 1.8V and 3.6V for the digital and analog supplies, respectively. Decouple the power pins with 0.1uF and 10uF capacitors, and add a 10uF capacitor between the analog and digital grounds.
Use the SYNC pin to synchronize the DACs. The SYNC pin can be connected to a common clock source, and the DACs will update their outputs on the rising edge of the SYNC signal. Ensure that the clock source is clean and has a low jitter to minimize output noise.
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About Texas Instruments
Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.
