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參數(shù)資料
| 型號： | TDA9109SN |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | LOW-COST DEFLECTION PROCESSOR FOR MULTISYNC MONITORS |
| 中文描述： | 低費用偏轉(zhuǎn)處理器多同步監(jiān)測儀 |
| 文件頁數(shù)： | 1/30頁 |
| 文件大小： | 266K |
| 代理商： | TDA9109SN |
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TDA9109/SN
LOW-COST DEFLECTION PROCESSOR
FOR MULTISYNC MONITORS
June 1998
PRELIMINARY DATA
SHRINK32
(Plastic Package)
ORDER CODE :
TDA9109/SN
.
SELF-ADAPTATIVE
.
DUALPLL CONCEPT
.
150kHz MAXIMUM FREQUENCY
.
X-RAYPROTECTION INPUT
.
I
2
C CONTROLS : H-POSITION, FREQUENCY
GENERATORFORBURN-IN MODE
VERTICALRAMPGENERATOR
.
50 TO185Hz AGC LOOP
.
GEOMETRYTRACKING WITH VPOS&VAMP
.
I
2
C CONTROLS :
VAMP, VPOS, S-CORR, C-CORR
.
DC BREATHINGCOMPENSATION
.
VERTICALPARABOLAGENERATOR
(PinCushion - E/W,Keystone,Corner)
.
HORIZONTALDYNAMIC PHASE
(SidePin Balance& Parallelogram)
.
VERTICALDYNAMIC FOCUS
(Vertical Focus Amplitude)
SYNCPROCESSOR
.
12V SUPPLYVOLTAGE
.
8V REFERENCE VOLTAGE
.
HOR. & VERT. LOCK/UNLOCK OUTPUTS
.
READ/WRITEI
2
C INTERFACE
.
HORIZONTALAND VERTICAL MOIRE
.
B+ REGULATOR
- INTERNAL PWM GENERATOR FOR B+
CURRENT MODE STEP-UPCONVERTER
- SOFTSTART
- I
2
CADJUSTABLEB+REFERENCEVOLTAGE
- OUTPUT PULSES SYNCHRONIZED ON
HORIZONTALFREQUENCY
- INTERNALMAXIMUMCURRENTLIMITATION
.
COMPARED
THE TDA9109/SNHAS :
- CORNER CORRECTION,
- HORIZONTAL MOIRé,
VERTICAL
I
2
C GEOMETRYCORRECTIONS
GENERAL
WITH
THE
TDA9109,
- B+ SOFT START,
- INCREASEDMAX.VERTICALFREQUENCY,
- NO HORIZONTAL FOCUS,
- NOSTEPDOWNOPTIONFORDC/DCCON-
VERTER,
- NO I
2
C FREE RUNNING ADJUSTMENT,
- FIXEDHORIZONTAL DUTY CYCLE(48%),
- INCREASED MAXIMUM STORAGE TIME
OF THE HORIZONTAL SCANNING TRAN-
SISTOR.
DESCRIPTION
The TDA9109/SN is a monolithic integrated circuit
assembledin 32-pinshrinkdualin line plasticpack-
age.This IC controlsall the functionsrelated to the
horizontal and vertical deflection in multimode or
multi-frequencycomputerdisplaymonitors.
Theinternalsyncprocessor,combinedwiththevery
powerful geometry correction block make the
TDA9109/SN suitable for very high performance
monitors, using very fewexternalcomponents.
Thehorizontaljitter levelisverylow.Itisparticularly
well suited forhigh-end 15” and 17” monitors.
Combined with the ST7275 Microcontroller fam-
ily, TDA9206 (Video preamplifier) and STV942x
(On-Screen Display controller) the TDA9109/SN
allows fully I
2
C bus controlled computer display
monitors to be built with a reduced number of
external components.
This is advance information on a newproduct now in developmentor undergoingevaluation. Detailsare subject to change without notice.
1/30
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