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參數(shù)資料
| 型號(hào)： | LMH1251MTX |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | YPBPR to RGB Decoder and 2:1 Video Switch |
| 中文描述： | 2-CHANNEL, AUDIO/VIDEO SWITCH, PDSO24 |
| 封裝： | TSSOP-24 |
| 文件頁(yè)數(shù)： | 4/10頁(yè) |
| 文件大?。?/td> | 614K |
| 代理商： | LMH1251MTX |
Video Signal Electrical Characteristics
(Continued)
Unless otherwise noted: T
= 25C, V
= +5.0V, RGB Video
= 0.70, Y Video
= 0.7 V
, P
P
Video
IN
=
±
350 VmV,
C
L
= 8 pF, Video Outputs = 0.7 V
PP
. See (Note 7) for Min and Max parameters and (Note 6) for typicals.
Symbol
Parameter
Conditions
(Note 2)
HD YP
B
P
R
t
r
HD YP
B
P
R
Input:
Video Rise Time
(Note 5)
HD YP
B
P
R
OS
R
HD YP
B
P
R
Input:
Rising Edge Overshoot
(Note 5)
HD YP
B
P
R
t
f
HD YP
B
P
R
:
Video Fall Time
(Note 5)
HD YP
B
P
R
OS
F
HD YP
B
P
R
:
Falling Edge Overshoot
(Note 5)
Video Frequency Domain Response
RGB BW
RGB Input:
Channel Bandwidth (3 dB)
YP
B
P
R
BW
YP
B
P
R
Input (SD & HD):
Channel Bandwidth (3 dB)
V
SEP Ch-Ch
10 MHz
Channel to Channel
V
SEP
Video Amplifier 10 MHz Isolation
RGB Input to YP
B
P
R
Input
Min
Typ
8.4
Max
Units
ns
10% to 90%, AC Input Signal
AC Input Signal
3
%
90% to 10%, AC Input Signal
8.4
ns
AC Input Signal
3
%
Large Signal BW
400
MHz
Large Signal BW
70
MHz
Video Amplifier 10 MHz Isolation
(Note 12)
50
dB
INPUT-INPUT
10 MHz
SNR
(Note 12)
55
dB
Signal to Noise Ratio
AC Input Signal, C
L
= 8 pF
(Note 12)
55
dB
Color Decoding Accuracy
Video
IN
=
±
350 VmV, C
L
= 8 pF, Video Outputs = 0.7 V
PP
. See (Note 7) for Min and Max parameters and (Note 6) for typi-
cals.
Unless otherwise noted: T
A
= 25C, V
CC
= +5.0V, Y Video
IN
= 0.7 V
PP
, P
B
P
R
Symbol
V
COLOR ERROR
Parameter
Conditions
Min
Typ
±
0.3
Max
±
2.5
Units
%
|P
B
P
R
| Amplitude
(Calculated from RGB Outputs)
YP
B
P
R
Video Input,
100% Color Bar (any 3 colors),
(Note 13)
YP
B
P
R
Video Input,
100% Color Bar (any 3 colors),
(Note 13)
θ
COLOR ERROR
P
B
P
R
Phase Angle Calculated
from RGB Outputs)
±
0.2
±
1.5
deg
Sync Signal Electrical Characteristics
Unless otherwise noted: T
= 25C, V
= +5.0V, Y Video
= 0.7 V
, P
P
Video
=
±
350 VmV, C
L
= 8 pF,
Video Outputs = 0.7 V
PP
. See (Note 7) for Min and Max parameters and (Note 6) for typicals.
Symbol
Parameter
V
SYNCL
H & V SYNC Low Input
Pins 1 & 2
V
SYNCH
H & V SYNC High Input
Pins 1 & 2
Conditions
Min
0.5
3.0
Typ
Max
1.5
V
CC
+0.5
Units
V
V
I
O-SYNCH
H & V SYNC Current
Sink/Source Capability
H & V SYNC Rise/Fall Time
H & V SYNC Width Error
Relative to H & V SYNC Input
H & V SYNC Width Error
Relative to Composite SYNCS
on Y
50% of H & V SYNC Input to
Output
5 k
Load
3
mA
t
R/F-SYNC
t
SYNC-WIDTH
15
5
ns
%
H & V SYNC Input
t
Y-SYNC-WIDTH
Composite SYNC on Y Input
5
%
t
SYNC-DELAY
H & V SYNC Input
40
ns
L
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| LMH1251MTX/NOPB | 功能描述:視頻開(kāi)關(guān) IC RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)數(shù)量:4 開(kāi)啟電阻（最大值）:12 Ohms 傳播延遲時(shí)間: 開(kāi)啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:WQFN-42 封裝:Reel |
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