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TDA7498L Scheda tecnica(PDF) 19 Page - STMicroelectronics

Il numero della parte TDA7498L
Spiegazioni elettronici  80 watt 80 watt dual BTL class-D audio amplifier
PDF  27 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7498L Scheda tecnica(HTML) 19 Page - STMicroelectronics

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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
L (1)
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



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