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TDA7491HV Datasheet(PDF) 34 Page - STMicroelectronics

Part # TDA7491HV
Description  20 W 20 W dual BTL class-D audio amplifier
PDF  50 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7491HV Datasheet(HTML) 34 Page - STMicroelectronics

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Figure 52. Turn-on/off sequence for minimizing speaker “pop”
8.2
Gain setting
The gain of the TDA7491HV 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 7. Gain settings
GAIN0
GAIN1
Nominal gain, Gv (dB)
L(1)
H(1)
20
L
H
26
H
L
30
H
H
32
1. Refer to Section 4 Electrical specifications for L and H drive levels.
TDA7491HV
Gain setting
DS5624 - Rev 10
page 34/50



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