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STV9212 数据表(PDF) 25 Page - STMicroelectronics

部件名 STV9212
功能描述  Video Processor for CRT Monitors with PictureBooST
PDF  34 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STV9212 数据表(HTML) 25 Page - STMicroelectronics

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STV9212
Electrical Specifications
4.4
Dynamic Electrical Characteristics
TAMB = 25°C, VCCA = 5 V, VCCP = 8 V, Vi = 0.7 VPP, CLOAD = 5 pF, RS = 100 Ω serial resistor
between output pin and CLOAD, unless otherwise specified. “x” denotes channel number and can
assume values of 1, 2 and/or 3. All voltages refer to the GNDA pin.
RHS
Input resistance
HS
40
k
Ω
VAMPSB
Output voltage at AMPCTL pin, standby
(Figure 18)
I²C-bus bit
ASTBY = 1 or/and
VCCP < VCCPS
Sink current 200µA
80
200
mV
VAMPBL
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
VAMPHI
Output voltage at AMPCTL pin, no
standby, no blanking (Figure 18)
I²C-bus bit
ASTBY = 0 and
VCCP > VCCPS
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
VOM
Maximum video output voltage(
2)
I²C-bus fields
CRST = 7Eh,
DRIVEx =7Eh
PBGEN = 0
PBGEN = 1
2.8
4.0
V
V
VON
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
VOSD
OSD insertion output level
referenced to output black level
DRIVEx = 7Eh
OSDCRST = 0Fh
OSDCRST = 0h
4.9
0
V
V
Video Output Signal - VIP
VVIP
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)
Vibmin
Infra black level pedestal
0.4
V
Vibof
Infra black offset component
IBOF = 3Fh
IBOF = 0h
2.1
0
V
V
Vibl[x]
Infra black level component
IBLx = 0h or MOD = 1 (AC mode)
IBLx = 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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