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參數(shù)資料
| 型號： | LC7456A |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | U.S. Closed Caption Signal Extraction IC |
| 中文描述： | 美國字幕信號特征提取集成電路 |
| 文件頁數(shù)： | 4/6頁 |
| 文件大?。?/td> | 24K |
| 代理商： | LC7456A |
LC7456A
No.6733-4/6
1. Absolute Maximum Ratings
at VSS=0V and Ta=25
°
C
Parameter
Symbol
Pins
Conditions
Ratings
typ.
min.
--0.3
--0.3
--0.3
max.
+7.0
unit
Supply voltage
Input voltage
Output voltage
VDDMAX VDD1, VDD2
VI
HSYNC, CVIN
VO
LN21, CPDT
CPCK, O / E
Pdmax
DIP16
VDD1=VDD2
V
VDD+0.3
VDD+0.3
Maximum
power
dissipation
Operating
temperature
range
Storage
temperature
range
300
mW
Topr
--30
+70
°
C
Tstg
--55
+150
* VSS1 and VSS2 are same level.
VDD1 and VDD2 are also same level.
2. Recommended Operating Range
at VSS=0V and Ta= --30
°
C to +70
°
C
Parameter
Symbol
Pins
Conditions
Ratings
typ.
VDD[V]
min.
4.5
max.
5.5
unit
Operating
supply voltage
Input high
voltage
Input low
voltage
CVIN analog
input range
HSYNC input
frequency range
VDD
VDD1,VDD2
VDD1=VDD2
V
VIH
HSYNC
4.5 to 5.5 0.85VDD
VDD
VIL
HSYNC
4.5 to 5.5
VSS
0.25VDD
CVSYNC
CVIN
SYNC-WHITE=1.0V
4.5 to 5.5
1Vp-p-3dB
1Vp-p
1Vp-p+3dB
fH
HSYNC
4.5 to 5.5
15.60
15.73
15.90
KHz
3. Electrical Characteristics
at VSS=0V and Ta= --30
°
C to +70
°
C
Parameter
Symbol
Pins
Conditions
Ratings
typ.
VDD[V]
4.5 to 5.5
min.
max.
1
unit
Input high
current
Input low
current
Output high
voltage
Output low
voltage
Input clamp
voltage
IIH
HSYNC
VIN=VDD
μ
A
IIL
HSYNC
VIN=VSS
4.5 to 5.5
--1
VOH
LN21, CPDT
CPCK, O / E
LN21, CPDT
CPCK, O / E
CVIN
IOH= --4mA
4.5 to 5.5 VDD-1.2
V
VOL
IOL=10mA
4.5 to 5.5
1
VCLMP
5.0
2.3
2.5
2.7
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