TDA7498L

Applications information

Doc ID 16504 Rev 3

19/27

The protection functions of the TDA7498L are enabled by pulling down the voltages of the

STBY and MUTE inputs shown in Figure 21. The input current of the corresponding pins

must be limited to 200 µA.

Figure 21.

Standby and mute circuits

Figure 22.

Turn on/off sequence for minimizing speaker “pop”

Table 7.

Mode settings

Mode

STBY

MUTE

Standby

1.

Drive levels defined in Table 6: Electrical specifications on page 9

X (don’t care)

Mute

H (1)

L

Play

H

H

STBY

MUTE

0 V

3.3 V

C7

2.2 µF

R2

30 k

Ω

Standby

0 V

3.3 V

C15

2.2 µF

R4

30 k

Ω

Mute

TDA7498L