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參數(shù)資料
| 型號： | LC7455 |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Closed Caption Signal Extraction IC |
| 中文描述： | 字幕信號提取集成電路 |
| 文件頁數(shù)： | 4/13頁 |
| 文件大?。?/td> | 232K |
| 代理商： | LC7455 |
No. 5680-4/13
LC7455A, 7455M
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
V
DD
max
V
I
V
O
V
DD
1, V
DD
2: V
DD
1 = V
DD
2
HS/CFIN, CVIN, SCKIN, CE
–0.3 to +7.0
V
Input voltage
–0.3 to V
DD
+0.3
–0.3 to V
DD
+0.3
V
Output voltage
LN21, CPDT, O/E/CFOUT, HS/CFIN
V
Allowable power dissipation
Pd max
LC7455A
300
mW
LC7455M
150
mW
Operating temperature
Topr
–30 to +70
°C
Storage temperature
Tstg
–55 to +150
°C
Specifications
Absolute Maximum Ratings
at Ta = 25°C, V
SS
= 0 V
Note: V
SS
1 and V
SS
2 must be at the same potential.
V
DD
1 and V
DD
2 must be at the same potential.
Allowable Operating Ranges
at Ta = –30 to +70°C, V
SS
= 0 V
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Operating supply voltage
V
DD
V
DD
1, V
DD
2 : V
DD
1 = V
DD
2
HS/CFIN, SCKIN, CE;
V
DD
= 4.5 to 5.5 V
HS/CFIN, SCKIN, CE;
V
DD
= 4.5 to 5.5 V
CVIN : SYNC-WHITE = 1.0 V;
V
DD
= 4.5 to 5.5 V
HS/CFIN : V
DD
= 4.5 V
For mode 3
For mode 4
4.5
5.5
V
Input high-level voltage
V
IH
0.75 V
DD
V
DD
V
Input low-level voltage
V
IL
V
SS
0.25V
DD
V
CVIN input amplitude
CVSYNC
1Vp-p – 3dB
1Vp-p
1Vp-p + 3 dB
V
HS input frequency range
f
H
15.23
15.13
15.73
15.63
16.23
16.13
kHz
kHz
HS/CFIN, O/E/CFOUT;
For mode 2, see Figure 1.
V
DD
= 4.5 to 5.5 V
HS/CFIN, O/E/CFOUT;
For mode 2, see Figure 2.
V
DD
= 4.5 to 5.5 V
Oscillator frequency range
*
1
FmCF
503
508
513
kHz
Oscillator stabilization time
*
2
tmsCF
0.5
5
ms
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Input high-level current
I
IH
HS/CFIN, SCKIN, CE : V
IN
= V
DD
;
V
DD
= 4.5 to 5.5 V
HS/CFIN, SCKIN, CE : V
IN
= V
SS
;
V
DD
= 4.5 to 5.5 V
LN21, O/E/CFOUT, HS/CFIN;
I
OH
= –4 mA ; V
DD
= 4.5 to 5.5 V
LN21, CPDT, O/E/CFOUT,
HS/CFIN : I
OL
= 10 mA; V
DD
= 4.5 to 5.5 V
CVIN ; V
DD
= 5.0 V
CVIN : CVIN = 3 V ; V
DD
= 5.0 V
CVIN : CVIN = 2 V ; V
DD
= 5.0 V
V
DD
1, V
DD
2 ; V
DD
= 4.5 to 5.5 V
1
μA
Input low-level current
I
IL
–1
μA
Output high-level voltage
V
OH
V
DD
– 1.2
V
Output low-level voltage
V
OL
1
V
Input clamping voltage
V
CLMP
I
IC
I
OC
I
DD
2.3
2.5
2.7
V
Input clamping current
5
10
18
μA
Output clamping current
–120
–70
–30
μA
Current drain
6
15
mA
Electrical Characteristics
at Ta = –30 to +70°C, V
SS
= 0 V.
Note: 1. See Table 1 for more information on the oscillator frequency.
2. The oscillator stabilization time is the time required until the oscillator is stable after the power-supply voltage is applied. See figure 2.
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
[Serial clock]
Input clock period
t
CKCY
t
CKL
t
CKH
SCKIN : See Figure 3.
1
μs
Input clock low-level pulse width
SCKIN : See Figure 3.
0.5
μs
Input clock high-level pulse width
SCKIN : See Figure 3.
0.5
μs
Setup time
t
ICK
SCKIN : Stipulated with respect to the falling
edge of CE.
1
μs
[Serial output]
Output delay time
t
CKO
0.5
μs
Serial Output Characteristics
at Ta = –30 to +70°C, V
SS
= 0 V, V
DD
= 4.5 to 5.5 V
Stipulated with respect to the falling edge of
SCKIN. A 1-k
external pull-up resistor is
connected. See Figure 3.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LC7455A | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Closed Caption Signal Extraction IC |
| LC7455M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Closed Caption Signal Extraction IC |
| LC7456A | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:U.S. Closed Caption Signal Extraction IC |
| LC7458B-04 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Closed-Caption Decoder LSI |
| LC7460 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Consumer IC |
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