參數(shù)資料
型號(hào): 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(yè)數(shù): 17/36頁(yè)
文件大?。?/td> 405K
代理商: AN5095
17
ICs for TV
AN5095K
Pin No.
Equivalent circuit
Description
voltage
1
2
3
Pin 1; Primary color signal clamp pin (R)
Pin 2; Primary color signal clamp pin (G)
Pin 3; Primary color signal clamp pin (B):
For the clamp pulse, the internal clamp
pulse (BGP) is used.
DC
approx. 7 V
4
Killer filter pin:
Filter pin of killer detection circuit (operates
approx. 3.3 V
for BGP period).
Killer turns on (without color output) at a
voltage of 2.8 V or lower.
DC
5
Killer, 50 Hz/60 Hz, SECAM det. output pin:
Selective output by SW (I
2
C bus).
The load resistance 33 k
should be connected
to microcomputer V
CC
.
DC
Low level
0.2 V
High livel
5 V
6
APC filter pin:
Filter pin of APC detection circuit (operates
approx. 2.5 V
for BGP period).
The detection sensitivity becomes high
when the external resistance is high, (tend
to be pulled-in easily. tend to be influ-
enced by noise).
β
curve
DC
Stop APC circuit by short-circuiting 40 k
at SECAM.
I
Terminal Equivalent Circuits
150
μ
A
300
300
9 V
(V
CC1
)
0.01
μ
F
Brightness
control
C
BGP
Pin 1, 2, 3
5 V
(V
CC3
)
Killer
det.
circuit
2.8 V
BGP
4
270
137
k
2.5 V
1
100
μ
A
3.3 V
0
μ
F
1 V
9 V
5
40
μ
A
On
Off
10 k
175
Floating
resistance
To
microcomputer
33 k
Microcomputer V
(5 V)
0.47
μ
F
5 V
(V
CC3
)
APC
det.
circuit
BGP
6
270
40
k
SW
2.5 V
R
7.5
k
3.3 V
0
μ
F
2
μ
F
1 V
VCO
circuit
max. 1 mA
f
C
V
6
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