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)： 28/36頁
文件大?。?/td> 405K
代理商： AN5095
28
AN5095K
ICs for TV
Pin No.
Equivalent circuit
Description
voltage
57
Vertical sync. signal clamp pin:
Peak clamp pin for separating vertical sync.
signal.
Although the integral amount of vertical
sync. signal itself has been determined by
the internal time constant, the trigger
application timing is determined by
selecting external constant R1, C1.
R1 must be used at higher than 200 k
.
R2 is resistor for emitter current restriction.
AC
f
=
f
V
58
Vertical pulse output pin:
Negative polarity, pulse width of 10H.
AC
pulse
59
SECAM interface pin:
Input and output pin for interfacing with
SECAM IC.
It becomes the SECAM mode when the
current sink from pin 59 is 100
μ
A or more. DC 4.4 V
At SECAM
DC 4.4 V
+
AC 250 mV[p-p]
At non-SECAM
DC 1.1 V
+
AC 250 mV[p-p]: 4.43 MHz
or 0 mV[p-p]: 3.58 MHz
AC+DC
AC
250 mV[p-p]
or 0 mV[p-p]
or 1.1 V
60
61
Pin60; -(B-Y) output pin
Pin61; -(R-Y) output pin:
The output circuit turns off at SECAM
and becomes a high impedance state.
Outputs to 1HDL.
AC
-(B-Y)
-(R-Y)
DC level
approx. 2.1 V
I
Terminal Equivalent Circuits (continued)
2.5 k
5 V
(V
CC3
)
0 V
1.5 k
1.5 k
60
100
μ
A
61
-(B-Y)
-(R-Y)
To 1HDL
100
μ
A
100
μ
A
SECAM
SECAM
50
k
9 V
(V
CC1
)
k
f
C
59
12
50
μ
A
100
μ
A
200
μ
A
12
k
56.2 k
13.7 k
61.5 k
To
SECAM IC
SECAM
detecter
SECAM
SECAM
5 V
(V
CC3
)
R1
330 k
R2
200
270
57
50 k
3 k
16 k
4 k
4.3 V
To ver.
count
down
220
C1
0.33
μ
F
4.3 V
0 V
50 k
43 k
5 V
(V
CC3
)
58
相關(guān)PDF資料
PDF描述
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