SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel):
260
Qualification Status:
Not Qualified
Supply Current-Max:
15 mA
Supply Voltage-Max (Vsup):
5.5 V
Supply Voltage-Min (Vsup):
2 V
Surface Mount:
YES
Temperature Grade:
INDUSTRIAL
Terminal Finish:
Matte Tin (Sn)
Terminal Form:
GULL WING
Terminal Pitch:
0.635 mm
Terminal Position:
DUAL
Time@Peak Reflow Temperature-Max (s):
30
LM4873MTE/NOPB Frequently Asked Questions (FAQs)
Texas Instruments provides a recommended PCB layout in the datasheet, but it's also important to follow general best practices for audio circuit board design, such as separating analog and digital grounds, using a star-ground configuration, and minimizing trace lengths and loops.
The LM4873MTE/NOPB has a thermal pad on the bottom of the package, which should be connected to a thermal plane on the PCB. Ensure good thermal conductivity by using a thermal interface material (TIM) and a heat sink if necessary. Also, keep the device away from heat sources and ensure good airflow around the device.
While the datasheet specifies a maximum supply voltage of 15V, it's recommended to derate the voltage to 13.5V to ensure reliable operation and minimize the risk of damage due to voltage spikes or transients.
Start by verifying the power supply voltage and ensuring it's within the recommended range. Check the input signal for distortion or noise, and ensure the input impedance is matched to the source. Use an oscilloscope to measure the output signal and look for signs of clipping, oscillation, or other anomalies. Consult the datasheet and application notes for troubleshooting guides and tips.
Yes, the LM4873MTE/NOPB is a mono audio amplifier, but it can be used in a stereo application by using two devices, one for each channel. Ensure that the power supply and ground connections are properly decoupled and separated to minimize crosstalk and noise between channels.
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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.
