TDA7340G STMicroelectronics, TDA7340G Datasheet - Page 23

• Manufacturer Part Number: TDA7340G
• Description: IC PROCESSOR AUDIO SIGNAL 44PQFP
• Manufacturer: STMicroelectronics
• Type: Car Signal Processorr

Specifications of TDA7340G

• Applications: Automotive
• Mounting Type: Surface Mount
• Package / Case: 44-MQFP, 44-PQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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