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參數(shù)資料
| 型號： | STV9212 |
| 廠商： | 意法半導體 |
| 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)： | 1/34頁 |
| 文件大小： | 335K |
| 代理商： | STV9212 |
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This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
October 2003
1/34
STV9212
Video Processor for CRT Monitors with PictureBooST
Main Features
I
General
G
I2C-Bus Controlled
G
Supports AC- and DC-coupled applications
G
5V to 8V Power Supply
G
Matches to virtually any video amplifier
I
PictureBooST
G
PictureBooST
insertion input
G
Full-screen PictureBooST
via I2C-bus
G
Context-sensitive Picture Enhancement
I
Video Clamping
G
Input and Output Video Clamp
G
Sync Pulse Polarity Auto-rectification
G
Clamp Pulse Generation timed either by sync
or video blanking pulse
I
Video Processing
G
Contrast Adjustment with excellent channel
matching
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Gain stages for control of white
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Two DC-mode cut-off ranges
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Output DC offset control
G
Automatic Beam Limiter (ABL)
G
Video Insertion Pulse (VIP), 2 levels
G
Amplifier Control (Blanking and Stand-by)
I
OSD Insertion with Contrast Control
I
Control Output
G
Amplifier Standby and Blanking Control
G
3 DAC for control of DC Restore Amplifier or
Brightness in DC-coupled system
General Description
The STV9212 is an I2C-bus controlled color video
processor designed for standard CRT monitor
applications. It can drive systems where cathodes
are either AC- or DC-coupled to the amplifier
outputs. The three video channels provide contrast
and white balance separate gain adjustments as
well as one-per-channel DC cut-off control and
common DC offset control functions. On top of
these usual controls, it features context-sensitive
picture enhancement circuitry to support the
PictureBooST
function that enhances the
appearance of still pictures and moving video.
In AC coupling applications, the device can pilot
three cathode DC restore channels dedicated to set
CRT cut-off bias voltages and to control brightness
through cathodes.
The RGB video outputs have a class A architecture
and directly drive the amplifier channels without
unnecessarily consuming current. Bandwidth
limitation I2C-bus adjustments can contribute to
keeping the application EMI under control.
OSD (On-Screen Display) graphics are inserted by
means of a Fast Blanking signal. Independent OSD
contrast control facilitates adaptation to various
OSD generators and provides system flexibility.
The STV9212 is perfectly compatible with other ST
components for CRT video boards, such as video
amplifiers and OSD generators.
DIP24S
:(Plastic Package)
ORDER CODE: STV9212
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