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参数资料
| 型号： | LC78011E |
| 元件分类： | 颜色信号转换 |
| 英文描述： | COLOR SIGNAL ENCODER, PQFP48 |
| 封装： | QIP-48 |
| 文件页数： | 9/13页 |
| 文件大小： | 162K |
| 代理商： | LC78011E |
No. 5755-5/13
LC78011E
Continued from preceding page.
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Input amplitude
VIN1
CLKI (capacitor coupled)
2.0
VDD1
Vp-p
VIN2
FSCIN (capacitor coupled)
2.0
VDD1
Vp-p
Clock duty
Fduty1
CLKI, FSCIN
40
50
60
%
Reset pulse width
twrst
RESET
400
ns
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
OSRIN, OSGIN, OSBIN, OSBLK,
IIH1
BLANK, CSYNC, HSYNC, RESET,
5
A
CCSEL, NPSEL, PMSEL, CDGSEL,
Input high-level current
YUVSEL1, YUVSEL2, TEST: VIN = DVDD
RYIN0 to RYIN7, GUIN0 to GUIN7,
IIH2
BVIN0 to BVIN7 (Pull-down resistors
25
50
75
A
are built in): VIN = DVDD
OSRIN, OSGIN, OSBIN, OSBLK,
IIL1
BLANK, CSYNC, HSYNC, RESET,
–5
A
CCSEL, NPSEL, PMSEL, CDGSEL,
Input low-level current
YUVSEL1, YUVSEL2, TEST: VIN = DVSS
RYIN0 to RYIN7, GUIN0 to GUIN7,
IIL2
BVIN0 to BVIN7 (Pull-down resistors
–5
A
are built in): VIN = DVSS
Internal feedback resistance
RBIAS
CLKI, FSCIN
1
M
D/A converter resolution
YOUT, CROUT
8 bits
D/A converter output resistance
RDAC
YOUT, CROUT
150
300
500
YOUT, CROUT
D/A converter reference voltage
VREF
(The output voltage when each bit of the 8-bit
2.40
2.45
2.50
V
data is zero)
(DVDD = 5.0 V : NTSC)
37
56
mA
IDD1
DVDD
(DVDD = 5.0 V : PAL)
45
68
mA
(AVDD = 5.0 V)
(DVDD = 3.3 V : NTSC)
15
23
mA
(DVDD = 3.3 V : PAL)
18
27
mA
(DVDD = 5.0 V : When 2
21
37
mA
Operating current drain
channels are used)
(DVDD = 5.0 V : When 1
12
21
mA
IDD2
AVDD
channel is used)
(AVDD = 5.0 V)
(DVDD = 3.3 V :When 2
22
39
mA
channels are used)
(DVDD = 3.3 V : When 1
13
23
mA
channel is used)
Electrical Characteristics at Ta = –20 to 75°C, DVDD = 5.0 V, AVDD = 5.0 V unless otherwise specified
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
RYIN0 to 7, GUIN0 to 7, BVIN0 to 7
→ CLKI
BLANK, CSYNC, HSYNC
→ CLKI
Data setup time
tDS
OSRIN, OSGIN, OSBIN, OSBLK
→ CLKI
FSCIN
→ CLKI
: DVDD = 5.0 V
0
ns
: DVDD = 3.3 V
0
ns
CLKI
→ RYIN0 to 7, GUIN0 to 7, BVIN0 to 7
CLKI
→ BLANK, CSYNC, HSYNC
Data hold time
tDH
CLK
→ OSRIN, OSGIN, OSBIN, OSBLK
CLKI
→ FSCIN
: DVDD = 5.0 V
10
ns
: DVDD = 3.3 V
12
ns
Minimum clock pulse width
tWL
CLKI (For a square wave input)
18
ns
tWH
CLKI (For a square wave input)
18
ns
Input clock duty
tduty
CLKI, FSCIN (For a sine wave input)
40
60
%
Timing Characteristics at Ta = 25°C, DVDD = 5.0 V, AVDD = 5.0 V, tr = tf = 3 ns unless otherwise specified
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