TDA7498 STMicroelectronics, TDA7498 Datasheet - Page 21

• Manufacturer Part Number: TDA7498
• Description: Audio Amplifiers 100W +100W Dual BTL Class-D 4-Select dB
• Manufacturer: STMicroelectronics

Specifications of TDA7498

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TDA7498
5.3
Figure 21. Standby and mute circuits
Figure 22. Turn on/off sequence for minimizing speaker “pop”
Gain setting
The gain of the TDA7498 is set by the two inputs, GAIN0 (pin 30) and GAIN1 (pin31).
Internally, the gain is set by changing the feedback resistors of the amplifier.
Table 8.
L
L
H
H
GAIN0
Gain settings
0 V
0 V
Standby
Mute
3.3 V
3.3 V
Doc ID 16107 Rev 4
L
H
L
H
R2
30 kΩ
R4
30 kΩ
GAIN1
C7
2.2 µF
C15
2.2 µF
STBY
MUTE
25.6
31.6
35.6
37.6
TDA7498
Applications information
Nominal gain, G
v
(dB)
21/29