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TDA7384A_07 Datasheet, PDF (7/14 Pages) STMicroelectronics – 4 x 42W quad bridge car radio amplifier
TDA7384A
Electrical specifications
Table 4.
Electrical characteristics (continued)
(VS = 14.4V; f = 1KHz; Rg = 600Ω; RL = 4Ω;Tamb = 25°C; Refer to the test and application
diagram (Figure 3), unless otherwise specified.)
Symbol
Parameter
Test condition
Min. Typ. Max. Unit
eNo
SVR
fch
Ri
CT
ISB
Ipin4
VSB out
VSB IN
AM
VM out
VM in
VAM in
Ipin22
Output noise
"A" Weighted
Bw = 20Hz to 20KHz
Supply voltage rejection
High cut-off frequency
Input Impedance
f = 100Hz; Vr = 1Vrms
Po = 0.5W
Cross talk
f = 1KHz; Po = 4W
f = 10KHz; Po = 4W
St-By current consumption VSt-By = 0V
St-By pin current
VSt-By = 1.2 to 2.6V
St-By OUT threshold voltage (Amp: ON)
St-By IN threshold voltage (Amp: OFF)
Mute attenuation
POref = 4W
Mute OUT threshold voltage (Amp: Play)
Mute IN threshold voltage (Amp: Mute)
VS automute threshold
Muting pin current
(Amp: Mute); Att ≥ 80dB;
POref = 4W
(Amp: Play); Att < 0.1dB;
PO = 0.5W
VMUTE = 1.2V
(Source current)
50
70
μV
70 100 μV
50
65
dB
100 200
KHz
70 100
KΩ
60
70
dB
50
60
dB
20
μA
±1
μA
3.5
V
1.5
V
80
90
dB
3.5
V
1.5
V
6.5
V
7.6 8.5
V
5
11
20
μA
1. Saturated square wave output.
Figure 3. Standard test and application circuit
ST-BY
MUTE
IN1
R1
10K
R2
47K
C1
0.1μF
IN2
C2 0.1μF
IN3
C3 0.1μF
IN4
C4 0.1μF
C8
0.1μF
C7
2200μF
Vcc1-2 Vcc3-4
4
C9
1μF
22
C10
1μF
6
20
9
8
7
5
2
11
3
12
15
S-GND
14
13
16
C5
0.47μF
10
SVR
C6
47μF
25
N.C.
17
18
19
21
24
23
1
TAB
OUT1
OUT2
OUT3
OUT4
D95AU335C
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