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Below is the parameter table and instructions for the TDA7498E, a high-efficiency Class D audio amplifier.

TDA7498E Parameter Table

Parameter	Symbol	Min	Typ	Max	Unit	Conditions
Supply Voltage	Vcc	11	13.2	15	V
Quiescent Current	Iq	-	60	-	mA	Vcc = 13.2V, No load
Output Power (8Ω)	Pout	-	2 x 50	-	W	THD+N = 10%, Vcc = 13.2V
Output Power (4Ω)	Pout	-	2 x 70	-	W	THD+N = 10%, Vcc = 13.2V
Efficiency	η	-	85	-	%	Vcc = 13.2V, 1kHz, 1W into 8Ω
Signal-to-Noise Ratio	SNR	-	105	-	dB	A-weighted, Vcc = 13.2V
Total Harmonic Distortion + Noise	THD+N	-	0.05	-	%	1kHz, 1W into 8Ω
Input Sensitivity	Vin	-	0.775	-	Vrms	1kHz, 1W into 8Ω
Input Impedance	Zin	-	10	-	kΩ
Frequency Response	f	20	-	20	kHz	±1dB, Vcc = 13.2V
Rise Time	tr	-	1.5	-	μs
Fall Time	tf	-	1.5	-	μs
Operating Temperature	Toper	-40	-	125	°C
Storage Temperature	Tstg	-65	-	150	°C

Instructions for TDA7498E

1. Supply Voltage:

   • The TDA7498E operates with a supply voltage range of 11V to 15V. Ensure that the power supply is stable and within this range to avoid damage or suboptimal performance.

2. Powering the Device:

   • Connect the positive terminal of the power supply to the Vcc pin and the negative terminal to the GND pin. Use appropriate decoupling capacitors (e.g., 100nF and 10μF) close to the Vcc and GND pins to filter out noise and ensure stable operation.

3. Input Connection:

   • Connect the audio input signal to the IN+ and IN- pins. The input impedance is 10kΩ, so ensure that the source impedance is compatible to avoid loading issues.
   • For single-ended input, connect the IN- pin to GND.

4. Output Configuration:

   • The TDA7498E can drive either 8Ω or 4Ω speakers. Connect the speaker to the OUT+ and OUT- pins.
   • For bridged mode (BTL), connect one speaker between OUT+ and OUT- of each channel.

5. Thermal Management:

   • The TDA7498E has built-in thermal protection, but it is important to ensure adequate heat dissipation. Use a heatsink if necessary, especially when operating at high power levels or in high ambient temperatures.

6. Protection Circuits:

   • The device includes overvoltage, undervoltage, short-circuit, and thermal protection. However, it is still recommended to use external protection circuits such as fuses and diodes for added safety.

7. PCB Layout:

   • Follow good PCB layout practices to minimize electromagnetic interference (EMI). Keep the ground plane solid and wide, and route high-frequency signals away from sensitive analog sections.

8. Testing and Troubleshooting:

   • Before finalizing the design, test the amplifier with a known good signal and load to ensure proper operation. Check for any signs of distortion, overheating, or unusual behavior.
   • If issues arise, verify the power supply, input signals, and connections. Use an oscilloscope to monitor the output and input signals for any anomalies.

By following these instructions, you can ensure that the TDA7498E operates efficiently and reliably in your audio application.

(For reference only)