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參數資料
| 型號： | TDA9112A |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 偏轉 |
| 英文描述： | HORIZ/VERT DEFLECTION IC, PDIP32 |
| 封裝： | PLASTIC, SDIP-32 |
| 文件頁數： | 1/60頁 |
| 文件大小： | 831K |
| 代理商： | TDA9112A |
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October 2003
1/60
This is preliminary information on a new product now in development. Details are subject to change without notice.
TDA9112A
HIGH-END IC CONTROLLED DEFLECTION PROCESSOR
FOR MULTISYNC MONITOR
FEATURES
General
Advanced I2C-bus controlled deflection
processor dedicated for high-end CRT monitors
Single supply voltage 12V
Very low jitter
DC/DC converter controller
Advanced EW drive
Advanced asymmetry corrections
Automatic multistandard synchronization
2 dynamic correction waveform outputs
X-ray protection and Soft-start & stop on
horizontal and DC/DC drive outputs
I2C-bus status register
Horizontal section
150 kHz maximum frequency
Corrections of geometric asymmetry: Pin
cushion asymmetry, Parallelogram, separate
Top/Bottom corner asymmetry
Tracking of asymmetry corrections with vertical
size and position
Fully integrated horizontal moiré cancellation
Vertical section
200 Hz maximum frequency
Vertical ramp for DC-coupled output stage with
adjustments of: C-correction, S-correction for
super-flat CRT, Vertical size, Vertical position
Vertical size and position prescales for factory
adjustment
Vertical moiré cancellation through vertical
ramp waveform
Compensation of vertical breathing with EHT
variation; I2C-bus gain adjustment
EW section
Symmetrical geometry corrections: Pin cushion,
Keystone, Top/Bottom corners separately, S-
and W-corrections
Horizontal size adjustment
Tracking of EW waveform with Vertical size and
position, horizontal size and frequency
Compensation of horizontal breathing with EHT
variation, I2C-bus gain adjustment
Dynamic correction section
Generates waveforms for dynamic corrections
like focus, brightness uniformity, ...
1 output with vertical dynamic correction
waveform, both polarities, tracking with vertical
size and position
1 output with composite HV dynamic correction
waveform, both polarities, shape control on
horizontal waveform component, tracking with
horizontal size
DC/DC controller section
Step-up and step-down conversion modes
External sawtooth configuration
I2C-bus-controlled output voltage
Synchronized on hor. frequency with phase
selection
Selectable polarity of drive signal
Protection at H unlock condition
DESCRIPTION
The TDA9112A is a monolithic integrated circuit
assembled in a 32-pin shrink dual-in-line plastic
package. This IC controls all the functions related
to horizontal and vertical deflection in multimode
or multi-frequency computer display monitors.
Combined with other ST components dedicated
for CRT monitors (microcontroller, video preampli-
fier,
video
amplifier,
OSD
controller),
the
TDA9112A allows fully I2C bus-controlled compu-
ter display monitors to be built with a reduced
number of external components.
SDIP 32 (Shrink DIP package)
ORDER CODE: TDA9112A
1
Obsolete
Product(s)
- Obsolete
Product(s)
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