Texas Instruments recommends a star-ground topology, with the DAC's analog and digital grounds connected at a single point. Keep analog and digital signals separate, and use a solid ground plane to reduce noise. Additionally, use short, direct traces for the reference voltage and analog output, and avoid running digital signals near the analog output.
The internal reference voltage can be enabled by setting the REFSEL pin high. However, this may introduce noise and reduce the DAC's overall accuracy. Using an external reference voltage can improve accuracy, but it requires additional components and may increase the overall system cost. The choice between internal and external reference depends on the specific application requirements and noise tolerance.
The maximum update rate for the DAC80508ZCRTER is 1 MSPS. However, the output settling time is dependent on the output capacitance, resistance, and the desired settling accuracy. As a general rule, the update rate should be limited to ensure the output has sufficient time to settle within the desired accuracy. A slower update rate may be required for high-accuracy applications.
The DAC80508ZCRTER has a built-in POR and BOR mechanism to ensure the device powers up in a known state. The POR is triggered when the supply voltage falls below 1.2V, and the BOR is triggered when the supply voltage falls below 2.2V. To handle these mechanisms, ensure a stable power supply, and consider adding external reset circuitry to hold the device in reset until the power supply is stable.
The DAC80508ZCRTER has a maximum junction temperature of 150°C. To ensure reliable operation, ensure good thermal conductivity between the device and the PCB, and consider using thermal vias or heat sinks for high-power applications. Additionally, follow Texas Instruments' recommended thermal design guidelines and consider derating the device's performance over temperature.
Trust Checks
This model has been provided by community users.
Community Provided
This model has been verified by system checks.
System Verified
This model has been reviewed by community users.
Community Approved
Sponsored
DAC80508ZCRTER Overview
Use the download button to access the DAC80508ZCRTER schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like DAC80,
or try a keyword search, such as Digital to Analog Converters
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.
Suggested Parts
If you searched for DAC80508ZCRTER, you might also be interested in these parts:
