Texas Instruments provides a recommended PCB layout in the application note SLUA623, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and minimize electromagnetic interference (EMI).
To ensure proper biasing, it's essential to follow the recommended biasing scheme in the datasheet, which includes using a 5V supply voltage and a 1.5kΩ pull-up resistor on the input pins. Additionally, the application note SLUA623 provides more detailed information on biasing and input conditioning.
Although the datasheet specifies a maximum output voltage of 18V, it's essential to note that the output pins can tolerate up to 20V for short durations (less than 100ns) without damage. However, sustained voltages above 18V can cause damage to the device.
To ensure reliable operation, it's crucial to provide adequate thermal management. The device has a thermal pad that must be connected to a heat sink or a thermal plane on the PCB. The application note SLUA623 provides guidelines for thermal management, including thermal resistance calculations and heat sink design considerations.
To minimize noise and oscillations, it's recommended to use a low-pass filter or a resistive divider network at the input pins to attenuate high-frequency noise and reduce the input signal amplitude. The application note SLUA623 provides more detailed information on input signal conditioning and filtering.
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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.
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