Texas Instruments provides a recommended PCB layout in the application note SLAA382, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and minimize electromagnetic interference (EMI).
The selection of input and output capacitors depends on the specific application requirements, such as ripple current, voltage rating, and ESR. TI recommends using capacitors with low ESR and high ripple current capability, such as ceramic or film capacitors. The application note SLAA382 provides more detailed guidance on capacitor selection.
The maximum power dissipation of the LM49100GR is dependent on the ambient temperature and the thermal resistance of the package. TI recommends using a heat sink or thermal pad to ensure the device operates within the recommended temperature range. The datasheet provides thermal resistance values and power dissipation calculations to help designers ensure the device does not overheat.
Yes, the LM49100GR can be used in a stereo audio application. To configure it for stereo operation, connect the left and right channel inputs to separate input pins, and use separate output pins for the left and right channel outputs. The application note SLAA382 provides more detailed guidance on stereo audio configuration and layout considerations.
To ensure EMC with the LM49100GR, follow proper PCB layout and design practices, such as using a solid ground plane, minimizing trace lengths, and using shielding and filtering components as needed. TI also recommends following the guidelines in the application note SLAA382 and the IEC 61967 standard for audio equipment.
LM49100GR/NOPB datasheet
by Texas Instruments
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