TDA7391PD_08 Datasheet, PDF (3/11 Pages) STMicroelectronics – 32 W bridge car radio amplifier

TDA7391PD
Test and application circuit, block diagram
1
Test and application circuit, block diagram
Figure 1. Test and application circuit
IN+
IN-
V_S
SW1
C2 0.22μF
C1 0.22μF
ST-BY
15 ⁵
C5 100nF
16
OUT+
2
14
19
TDA7391PD
4
17
12
9
8 1,10,11,20
OUT-
CD
C3
33μF
GND
R2
56KΩ
+VS
C4 1000μF
Vref
R1
4.7KΩ
TO μC
D98AU871
Figure 2. Block diagram
V_CC1
5
V_CC2
16
+
-
STANDBY THRESHOLD
14
IN-
ICM
15
IN+
REFERENCES
SHORT CIRCUIT
DUMP & THERMAL
PROTECTION
COMMON
MODE
-
+
-
gm
+
V_CC/2
POWER AMP
19
OUT-
LTS
V=f (Tj)
POWER AMP
THD
DETECT _VS
LTS
17
DISABLE
CD
2
OUT+
+
PROGRAMMABLE
-
CURRENT CIRCUIT
MUTE THRESHOLD 9
MUTE
8
SYNC
12
S-GND
4
STANDBY
1,10,11,20
P-GND
D98AU872
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