Texas Instruments recommends a 4-layer PCB with a solid ground plane and thermal vias to dissipate heat efficiently. A thermal pad on the bottom of the package should be connected to a thermal relief pattern on the PCB.
To ensure signal integrity, use controlled impedance traces, add series termination resistors, and consider using a signal integrity model to simulate and optimize the design. Additionally, follow the recommended routing guidelines in the datasheet.
The 66AK2H14DXAAWA24 requires a specific power sequencing order to prevent damage. The recommended sequence is: VDDA, VDD, VDDS, and finally, VREF. Ensure that the power supplies are stable and within the recommended voltage ranges before applying them to the device.
A reliable reset circuit can be implemented using a voltage supervisor IC, such as the TLV7031, which monitors the power supply voltage and asserts a reset signal when the voltage is outside the recommended range. The reset signal should be connected to the RESET pin on the 66AK2H14DXAAWA24.
To minimize EMI and ensure EMC, use a multi-layer PCB with a solid ground plane, add EMI filters or common-mode chokes on the interfaces, and consider using shielding or metal enclosures. Follow the recommended layout guidelines and simulation tools to optimize the design for EMI and EMC.
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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.
