參數(shù)資料
型號(hào): TDA8191
廠商: 意法半導(dǎo)體
英文描述: TV SOUND CHANNEL
中文描述: 電視聲音通道
文件頁(yè)數(shù): 3/6頁(yè)
文件大小: 133K
代理商: TDA8191
ELECTRICALCHARACTERISTICS
(continued)
(Referto fig.1 ; V
S
= 24V, R
L
= 16
, Pin11 floating,
f =
±
50kHz,V
i
= 1mV, f
o
= 5.5MHz,f
m
= 1kHz,
T
amb
= 25
o
C unless otherwise specified)
Symbol
V
9
R
9
AMR
R
I
C
I
V
12
Kv
Parameter
Test Conditions
V
C
= 4.5V,
f =
±
15kHz
f = 20Hz to 20kHz
m = 0.3, V
O
= 4V
RMS
f = 0
f = 0, V
C
=4.5V
Min.
200
500
45
Typ.
Max.
400
1000
Unit
mV
RMS
dB
k
pF
V
dB
dB
dB/
°
C
Recovered Audio Voltage (pin 9)
Deemphasis Resistance
Amplitude Modul. Rejection
Input Resistance (pin 2)
Input Capacitance (pin 2)
DCVC Reference Voltage
Volume Attenuation
700
60
30
6
5.6
6.2
1.0
V
C
= 0.5V ; Fig. 2
V
C
= 4.5V ; Fig. 2
T
j
= 300 to 380
°
K Fig. 3
80
K
V
T
j
P
O
SVR
Volume Attenuation Thermal Drift
0.05
– 0.1
Output Power(d = 10%)
Supply Voltage Rej.
(Pin 17)
(Pin 9)
Function Switch.
- TelevisionBroadc.
Reproduction
3.5
4
W
V
C
= 4.5V
f
ripple
= 100Hz
20
50
26
60
dB
dB
V
11
0
2
V
or Pin 11 Floating
- Peritelevision Reproduction
Input Resistance
Input Voltage (d
2%)
Input Resistance
Crosstalk betweenPins 9, 10
Signal to Noise Ratio
8
12
V
k
V
RMS
k
dB
dB
R
11
V
10
R
10
CT
S
+
N
N
d
f
10
V
O
= 4V
RMS
; V
11
= 12V
f = 20Hz to 20kHz
0.5
2.0
10
60
60
f = 0 ; V
O
= 4V
RMS
70
Distortion (P
O
= 250mV)
Deviation Sens.
2
%
kHz
V
C
= 0.5V ; V
O
= 4V
RMS
±
4
±
10
8
4
0.1
μ
F
68nF
1
μ
F
OUT
1
μ
F
IN
V11
SW
11k
24k
22
μ
F
22
μ
F
270
15k
22
470
μ
F
220nF
R1
270k
4.7
μ
F
0.1
μ
F
51
0.1
μ
F
470
μ
F
VS
0.1
μ
F
V
i
IF
input
9
10
11
12
13
14
20
19
17
16
15
6
5
1
18
2
3
4.5k
TDA 8191
V
o
VC
V10
RL
68pF
L1
8.2pF
7
8
L1 : Qu =80 @ f
0
= 5.5MHz
8
Figure1 :
Test Circuit
TDA8191
3/6
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