AN5192 PANASONIC [Panasonic Semiconductor], AN5192 Datasheet - Page 20

• Manufacturer Part Number: AN5192
• Description: Single chip IC with I2C bus Interface for PAL/NTSC color TV system
• Manufacturer: PANASONIC [Panasonic Semiconductor]

AN5192K
20
Pin No.
Terminal Equivalent Circuits (continued)
24
25
26
27
28
29
detection output
SAW
to Tuner
NTSC
27
Equivalent circuit
3.5 V
PAL
k
40
27 k
25
24
100 A 400 A
1.2
k
120 k
60 k
1.2
k
270
150 A150 A
1.7 k
29
28
1200 pF
9 V
(V
5 V
(V
1F AGC
Bias
RF AGC
control Bias
CC1
CC3
100 A
5 V
(V
)
9 V
(V
)
CC3
CC1
)
)
Pin 24: VIF input pin 1
Pin 25: VIF input pin 2
GND
RF AGC output pin
Audio output pin
De-empahsis pin
• Input for VIF amp.and balanced
• Input max. 120 dB
• VIF, SIF circuit
• Collector open output
• There is fluctuation of DC due to
• De-empahsis filter pin for sound
• External C is the same for PAL and
• PAL: 120 k //60 k
• NTSC: 60 k
input
internal and external changeover
detection signal.
NTSC (Internal impedance changes)
48 s
Description
1200 pF
1 200 pF
72 s
0 kHz to 20 kHz
0 kHz to 20 kHz
ICs for TV
approx. 2.7 V
approx. 4.2 V
DC level
f
I/O
AC
DC
DC
AC
DC
AC
f
P