TDA7340G Datasheet, PDF (23/27 Pages) STMicroelectronics – AUDIO SIGNAL PROCESSOR

Figure 8: Power on Time Constant vs Cref
Capacitor CREF =4.7µF
V
(1V/div)
D95AU380
TDA7340G
Figure 9: Power on Time Constant vs Cref
Capacitor CREF =10µF
V
(1V/div)
D95AU381
2
OUT LF
1
CREF
BWL
0.5s/DIV TIME
Figure 10: Power on Time Constant vs Cref Ca-
pacitor CREF =22µF
V
(1V)
D95AU382
OUT LF
CREF
BWL
Figure 12: Soft Mute ON
2
1
0.5s/DIV TIME
2
OUT LF
1
CREF
BWL
1s/DIV TIME
Figure 11: SVRR vs. Frequency
S_VRR
(dB)
-40
D95AU383
-50
22_µF
-60
47µF
-70
4.7µF
-80
VS=8V
Ripple=0.2VRMS
-90
AV=-15dB
-100
10
100
1K
10K Freq(Hz)
V
Main Menu
Pin Csm
SOFT MUTE=ON SLOPE=FAST Vout=500mVrms
D95AU384
V
Vout
SOFT MUTE
CH1 9V DC
Chan 2
1ms 0.2V
Chan 3
1ms 2V
CH1 0.5V1x0 ~
TIME
CH2 20mV1x0 ~
CH3 0.2V_{1x0 =}
CH4 20mV_1x0 = T/div 1ms
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