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參數(shù)資料
| 型號： | 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 |
| 文件頁數(shù)： | 2/6頁 |
| 文件大?。?/td> | 133K |
| 代理商： | TDA8191 |
1
4
7
8
9
10
11
13
14
18
19
20
C5
C7
R3
C6
V
S
2
3
R0 1.1k
R1
C1
C2
C3
IF IN
5
6
15
16
L1
C9
C8
C11
C10
C13
SWITCH
CTRL
AF OUT
AF IN
C12
17
C17
C15
C16
R5
R4
R8
R7
P2
VOLUME
12
R6
RL
DC VOLUME
CONTROL
VOLTAGE
REGULATOR
TURN-ONAND
TURN-OFF
SWITCH
LOW-PASS
FILTER
THRESHOLD
SENSOR
FM
DETECTOR
THERMAL
PROTECTION
AMPLI.
IF
AMP.
AFPA
8
BLOCK DIAGRAM
ABSOLUTE MAXIMUM RATINGS
Symbol
V
S
V
l
V
I
I
O
I
O
P
tot
Parameter
Value
28
±
V
S
1
1.5
2
4.3
1
– 40 to 150
Unit
V
Supply Voltage (pin 18)
Voltage at Pin1
Input Voltage (pin 2)
Output Peak Current (repetitive)
Output Peak Current (non repetitive)
Total Power Dissipation : at Tpins = 90
°
C
V
PP
A
A
W
W
°
C
at Tamb = 70
°
C
T
stg
, T
j
Storage and Junction Temperature
8
THERMAL DATA
Symbol
R
th (j-pins)
R
th (j-a)
Parameter
Value
14
80
Unit
°
C/W
°
C/W
Junction-pins Thermal Resistance
Junction-ambient Thermal Resistance
Max
Max
8
ELECTRICALCHARACTERISTICS
(Refer to 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 unlessotherwise specified)
Symbol
V
S
V
O
V
1
I
D
V
I
Parameter
Test Conditions
Vc = 4.5V
Vc = 4.5V
Vc = 4.5V
Vc = 4.5V
Vo = 4V
RMS
Min.
10.8
11
Typ.
24
12
5.3
35
50
Max.
27
13
Unit
V
V
V
mA
μ
V
Supply Voltage (Pin 18)
Quiescent Output Voltage (Pin 17)
Pin 1 DC Voltage
Quiescent Drain Current
Input LimitingVoltage at Pin 2 (– 3dB)
100
8
TDA8191
2/6
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