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TDA7491LP Datasheet, PDF (11/37 Pages) STMicroelectronics – 2 x 5-watt dual BTL class-D audio amplifier
TDA7491LP
Electrical specifications
Table 5.
Symbol
Electrical specifications (continued)
Parameter
Condition
Min Typ Max Unit
SVRR Supply voltage rejection ratio
fr = 100 Hz, Vr = 1 Vpp,
CSVR = 10 µF
-
50 -
dB
Tr, Tf
Rise and fall times
-
-
40 -
ns
fSW
Switching frequency
Internal oscillator,
master mode
290 320 350 kHz
fSWR
Switching frequency range
(1)
250 -
400 kHz
VinH
Digital input high (H)
-
VinL
Digital input low (L)
2.3 -
-
-
-
V
0.8
AMUTE Mute attenuation
VMUTE = low,
VSTBY = high
-
80 -
dB
VSTBY < 0.5 V
VMUTE = X
Standby
-
Function
mode
Standby, mute and play modes
VSTBY > 2.9 V
VMUTE < 0.8 V
Mute
-
VSTBY > 2.9 V
VMUTE > 2.9 V
Play
-
1. Refer to Section 5.5: Internal and external clocks on page 27.
Doc ID 13541 Rev 5
11/37