參數(shù)資料
型號: AN5095
廠商: Panasonic Corporation
英文描述: Single chip IC with I2C bus interface for PAL/NTSC color TV system
中文描述: 單一的PAL制式的I2C總線接口芯片IC / NTSC彩色電視系統(tǒng)
文件頁數(shù): 27/36頁
文件大?。?/td> 405K
代理商: AN5095
27
ICs for TV
AN5095K
Pin No.
Equivalent circuit
Description
voltage
53
Horizontal AFC1 filter pin:
Comparing the phase of horizontal sync.
signal and that of inside pulse of the IC,
charge to and discharge from the capacitor
connected to pin 53 are done.
R1, R2, C1, and C2 are lag-lead filter for
AFC1.
DC
4.3 V typ.
54
Horizontal oscillation pin:
Oscillate at 32
×
f
H
503 kHz by means of
ceramic oscillator.
Horizontal and vertical pulse are generated
by means of count down circuit in the IC.
AC
f
=
32 f
H
approx.
)
503 kHz
(
55
Overvoltage protection input pin:
Input pin for the protect circuit against X-ray
due to overvoltage.
Shut-down is started by internal logic
circuit when H-out pulse is low.
(Prevent the horizontal drive Tr destruc-
tion.)
DC
normally
0 V
56
Horizontal pulse output pin:
Duty cycle is approx. 36%.
AC
pulse
I
Terminal Equivalent Circuits (continued)
20 k
40 k
6.3 V
(V
CC2
)
55
20 k
20 k
3 V
4.3 V
To
19 k
2.8 V
0 VHor. Out
50
40 k
10 k
6.3 V
(V
CC2
)
4.3 V
56
80
μ
A
6.3 V
(V
CC2
)
200
μ
A
100
μ
A
220 pF
54
10
k
300
22 k
10
k
Hor. sync.
1 000
μ
A
6.3 V
(V
CC2
)
4.3 V
1.5 V
200
μ
A
820
R2
22
μ
F
C2
0.033
μ
F
C1
53
27 k
R1
27 k
AFC1
detecter
Hor.
OSC
Horizontal
β
curve
f
H
V
53
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