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TDA8191 数据表(PDF) 4 Page - STMicroelectronics

部件名 TDA8191
功能描述  TV SOUND CHANNEL
PDF  6 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TDA8191 数据表(HTML) 4 Page - STMicroelectronics

  TDA8191 Datasheet HTML 1Page - STMicroelectronics TDA8191 Datasheet HTML 2Page - STMicroelectronics TDA8191 Datasheet HTML 3Page - STMicroelectronics TDA8191 Datasheet HTML 4Page - STMicroelectronics TDA8191 Datasheet HTML 5Page - STMicroelectronics TDA8191 Datasheet HTML 6Page - STMicroelectronics  
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background image
1
234
5
0
90
80
70
60
50
40
30
20
10
0
K Tip (dB)
T = 300
°k
T
V
(V)
C
k
12 dB
(30 +/-6 dB)
k+ Noise
Figure 2 :
Volume Attenuationversus
DC Volume Control Voltage
∆K (dB)
-30
-20
-10
10
°k
30
50
70
90
110
0
10
TYP at T = 380
°k
WORST CASE at T = 380
°k
J
J
-40
-50
20
30
Figure 3 :
Volume Attenuation Thermal Drift
4
0.1
µF
68nF
1
µF
OUT
1
µF
IN
V11
SW
11k
Ω
24k
Ω
2.2
µF
15k
Ω
0.1
µF
560
Ω
9
10
11
12
13
14
20
2
3
1. 5k
Ω
TDA 8191
VC
V10
560
Ω
0.1
µF
IF
input
V9
R2
6.6Ω
220nF
2.2
µF
270
Ω
19
C1 = 4.7nF
17
16
15
6
5
470
µF
Vo
R1 = 1.8k
Ω
270k
Ω
4.7
µF
0.1
µF
470
µF
VS
1
18
RL
68pF
L1
8.2pF
7
8
Volume
L1 : Qu = 80e, fo = 5.5MHz.
TYPICAL APPLICATION
10
4
10
5
90
80
70
60
50
40
30
20
10
0
V (dB)
o
S+N
N (dB)
10
10
2
10
3
-18
-16
-14
-12
-10
-8
-6
-4
-2
0
0dB = 4V
Vo
S+N
N
V(
µV)
i
Figure 4 :
Relative Audio Output Voltage and
Output Noise versus Input Signa
d (%)
0
2
4
6
8
10
10
-2
10
-1
1
V = 12V, R = 8
Ω
V = 24V, R = 16
Ω
SL
SL
Pl
(W)
o
10
Figure 5 :
Distortion versus Output Power
TDA8191
4/6



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