TDA8120B 查看數據表（PDF） - STMicroelectronics
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TDA8120B Datasheet PDF : 6 Pages
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TDA8120B
BLOCK DIAGRAM
11
12
STANDARD SSW
22
SWITCH
LIMITER
(B/G or L)
18
SSW
PHASE
SHIFTER
(0° or 180°)
4
9
VOLTAGE
REGULATION
16
VIF AMP
(3 STAGES)
17
VIDEO
WHITE SPOT INV.
DEMOD.
NOISE INVERT
8
AND BUFFER
VIDEO PREAMP.
14
AGC AMPLIF.
AND
13
AGC DELAY
10
7
VIDEO SECTION
TOP SYNC CLAMP
or TOP WHITE CLAMP
15
MIN. VIDEO DETECTOR
SSW
19
20
1st SIF AMP.
(3 STAGES)
21
BUFFER
LIMITER
AND PHASE
SHIFTER (90°)
2nd SIF
DEMOD.
5
SSW
6
23
AGC AMPLIF.
AND
24
AGC DELAY
1
AM or AGC
DETECTOR
SSW
LIMITER
23
SOUND SECTION
ABSOLUTE MAXIMUM RATINGS
Symbol
V4, V9
I8, I5, I1
I22, I15
Pto t
Tstg, Tj
V1 4
Parameter
Supply Voltage Vs
Video Out, QSSout, AF AM Out, DC Output Current
Pin 22 and Pin 15 Input Current
Total Power Dissipation (Tamb = 70 °C)
Storage and Junction Temperature
Voltage at Pin 14
THERMAL DATA
Symbol
Rth j–amb
Thermal Resistance
Parameter
Max
Value
Unit
15
V
10
mA
1
mA
2
W
– 40 to 150
°C
Vs
Value
40
Unit
°C/W
2/6
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