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參數(shù)資料
| 型號(hào)： | STV9212 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Video Processor for CRT Monitors with PictureBooST |
| 中文描述： | 視頻處理器PictureBooST的CRT顯示器 |
| 文件頁數(shù)： | 25/34頁 |
| 文件大小： | 335K |
| 代理商： | STV9212 |
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STV9212
Electrical Specifications
4.4
Dynamic Electrical Characteristics
T
AMB
= 25°C, V
CCA
= 5 V, V
CCP
= 8 V, V
i
= 0.7 V
PP
, C
LOAD
= 5 pF, R
S
= 100
serial resistor
between output pin and C
LOAD
, unless otherwise specified. “x” denotes channel number and can
assume values of 1, 2 and/or 3. All voltages refer to the GNDA pin.
R
HS
Input resistance
HS
40
k
V
AMPSB
Output voltage at AMPCTL pin, standby
(
Figure 18
)
I2C-bus bit
ASTBY
= 1 or/and
V
CCP
< V
CCPS
Sink current 200μA
80
200
mV
V
AMPBL
Output voltage at AMPCTL pin,
blanking (
Figure 18
)
I2C-bus bit
ASTBY
= 1
I2C-bus bit
ABLEN
= 1
Sink current 0μA
BLKI at high level
TBD
1.6
TBD
V
V
AMPHI
Output voltage at AMPCTL pin, no
standby, no blanking (
Figure 18
)
I2C-bus bit
ASTBY
= 0 and
V
CCP
> V
CCPS
Sink current 0μA
3.1
V
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Units
Video Output Signal (Pins 18, 20 and 22) - Contrast and Drive
G
Maximum total gain for video path
with PictureBooST off
I2C-bus fields
CRST
= 7Eh,
DRIVEx
= 7Eh
PBGEN = 0
12
dB
V
OM
Maximum video output voltage
(
2
)
I2C-bus fields
CRST
= 7Eh,
DRIVEx
= 7Eh
PBGEN
= 0
PBGEN
= 1
2.8
4.0
V
V
V
ON
Nominal video output voltage
I2C-bus fields
CRST
= 40h,
DRIVEx
= 40h (POR state)
TBD
V
CAR
Contrast control range
Max. to min. contrast (
CRST
= 7Eh
to
CRST
= 01h)
28
dB
DAR
Drive control range
Max. to min. drive (
DRIVEx
= 7Eh to
DRIVEx
= 01h)
13
dB
GM
Gain matching
(
3
)
I2C-bus fields
CRST
= 40h,
DRIVEx
= 40h (POR state)
±0.1
dB
Video Output Signal - OSD
V
OSD
OSD insertion output level
referenced to output black level
DRIVEx
= 7Eh
OSDCRST
= 0Fh
OSDCRST
= 0h
4.9
0
V
V
Video Output Signal - VIP
V
VIP
Video Insertion Pulse level
From Infrablack level to black level
VIP
= 1
VIP
= 0
(
4
)
0.4
0.2
Vpp
Vpp
Video Output Signal - Infra Black Level (
Figure 15
)
V
ibmin
Infra black level pedestal
0.4
V
V
ibof
Infra black offset component
IBOF
= 3Fh
IBOF
= 0h
2.1
0
V
V
V
ibl
[x]
Infra black level component
IBL
x = 0h or
MOD
= 1 (AC mode)
IBL
x = FFh,
MOD
= 0 (DC mode)
IBLRG
= 1
IBLRG
= 0
0
1.3
1.8
V
V
V
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Units
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