Details

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BUY TPA3001D1PWPR https://www.utsource.net/itm/p/1399921.html
20-W MONO CLASS-D AUDIO POWER AMPLIFIER

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	VDD	Operating	2.7	-	5.5	V
Quiescent Current	IQ	VDD = 3V, BTL	-	1.9	-	mA
Output Power	POUT	RL = 8惟, THD = 1%	-	0.46	-	W
PSRR (Power Supply Rejection Ratio)	PSRR	f = 217Hz	-	67	-	dB
SNR (Signal-to-Noise Ratio)	SNR	A-weighted	-	94	-	dB
THD+N (Total Harmonic Distortion + Noise)	THD+N	POUT = 0.2W, RL = 8惟	-	0.02	-	%
Shutdown Current	ISD	VSD < 0.8V	-	0.1	-	渭A

Instructions for TPA3001D1PWPR:

1. Power Supply Requirements:

   • Ensure the supply voltage (VDD) is within the operating range of 2.7V to 5.5V.

2. Quiescent Current Management:

   • The quiescent current at a typical operating condition (VDD = 3V in BTL mode) is approximately 1.9mA. Design the power supply and battery management system accordingly.

3. Output Configuration:

   • For optimal performance, configure the output as either bridged-tied load (BTL) or single-ended (SE). The output power (POUT) should not exceed the specified limits to avoid damage.

4. Power Supply Rejection Ratio (PSRR):

   • The device has a PSRR of 67dB at 217Hz, indicating good rejection of power supply noise. Use appropriate filtering on the power supply lines if necessary.

5. Signal-to-Noise Ratio (SNR):

   • The SNR is 94dB A-weighted, which provides a high-quality audio signal. Ensure input signals are clean to maintain this performance level.

6. Distortion and Noise:

   • Keep the THD+N below 0.02% for POUT = 0.2W into an 8惟 load to ensure minimal distortion and noise in the audio output.

7. Shutdown Operation:

   • When the shutdown pin voltage (VSD) is below 0.8V, the shutdown current drops to approximately 0.1渭A, effectively turning off the device. Use this feature to conserve power in low-power modes.

8. Thermal Considerations:

   • Ensure adequate heat dissipation, especially when operating at higher output powers or in environments with elevated ambient temperatures.

9. Layout Recommendations:

   • Follow recommended PCB layout guidelines provided in the datasheet to minimize noise and interference, ensuring stable operation and optimal performance.

(For reference only)