SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel):
260
Qualification Status:
Not Qualified
Seated Height-Max:
1.1 mm
Supply Current-Max:
1.5 mA
Supply Voltage-Max (Vsup):
5.5 V
Supply Voltage-Min (Vsup):
2.5 V
Surface Mount:
YES
Technology:
CMOS
Temperature Grade:
INDUSTRIAL
Terminal Finish:
Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form:
GULL WING
Terminal Pitch:
0.65 mm
Terminal Position:
DUAL
Time@Peak Reflow Temperature-Max (s):
30
Width:
3 mm
TPA321DGN Frequently Asked Questions (FAQs)
Texas Instruments provides a recommended PCB layout in the datasheet, but it's also important to follow general high-frequency PCB design guidelines, such as keeping the signal path short, using a solid ground plane, and minimizing parasitic inductance.
The input capacitor should be chosen based on the input impedance of the amplifier, the frequency response required, and the type of input signal. A general rule of thumb is to use a capacitor with a value between 10nF to 100nF, and a voltage rating that exceeds the maximum input voltage.
The maximum power dissipation of the TPA321DGN is dependent on the ambient temperature and the thermal resistance of the package. According to the datasheet, the maximum power dissipation is 2.5W at 25°C, but this can be derated to 1.25W at 85°C. It's essential to ensure proper heat sinking and thermal management to prevent overheating.
Yes, the TPA321DGN can be used as a line driver, but it's essential to ensure that the output stage is properly terminated to prevent signal reflections and oscillations. A 100Ω to 150Ω load impedance is recommended, and the output voltage swing should be limited to prevent excessive current draw.
To filter out noise and EMI, it's recommended to use a combination of passive components, such as ferrite beads, inductors, and capacitors, in conjunction with proper PCB layout and shielding techniques. Additionally, the TPA321DGN has built-in EMI filtering, but it's still important to follow good design practices to minimize noise and EMI.
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
TPA321DGN Overview
Use the download button to access the TPA321DGN schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like TPA32,
or try a keyword search, such as Audio/Video Amplifiers
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.
