ICs for TV
AN5195K-C
■ Terminal Equivalent Circuits (continued)
Pin No.
Equivalent circuit
Description
DC (V)
41
VIF detection output pin:
AC
9 V
(VCC1
Adjust to 2 V[p-p] by I2C bus
2 V[p-p]
)
•
75 µA
(uses upper rank 4-bit of 0 A)
41
42
APC1 filter pin:
DC
5 V
(VCC3
)
Filter pin of VIF APC1 circuit
VCO lock detection circuit is incor-
porated in the IC, and it changes
approx. 2.5 V
•
•
50 µA
SW
0
1
over the time constant of APC filter.
Lock: SW: 0
500 Ω
•
Unlock: SW: 1
20 kΩ
3.25 V
to
VCO
42
150 Ω
75 µA
0.47 µF
25 µA
43
VIF oscillation pin:
AC
5 V
(VCC3
)
Chage the oscillation coil according
to VIF frequency.
f = fP /2
•
approx. 0.7 V[p-p]
DC level
1
Oscillation frequency is × fP
•
100 Ω 300 Ω
2
approx. 3.9 V
43
800 µA400 µA
100 µA
44
Video output pin:
AC
9 V
(VCC1
)
Int. video1, int. video2 or ext. video
signal selected by AV SW is outputted.
2 V[p-p]
•
50 µA
44
DC level
400 µA
approx. 4.5 V
45
Video input pin:
AC
9 V
(VCC1
)
Input pin of video signal (possible
also for composite video)
Typical input 0.6 V[p-p]
0.6 V[p-p]
•
47 kΩ
4.3 V
50 µA
•
•
•
45
1.8 kΩ
Sync. top is clamped to 3.5 V
Video signal should be inputted
with low impedance.
10 µA
43 kΩ
21
ETC [ ETC ]
