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TDA9109SN Datasheet

  • TDA9109SN

  • LOW-COST DEFLECTION PROCESSOR FOR MULTISYNC MONITORS

  • 266.04KB

  • 30頁

  • STMICROELECTRONICS   STMICROELECTRONICS

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TDA9109/SN
LOW-COST DEFLECTION PROCESSOR
FOR MULTISYNC MONITORS
PRELIMINARY DATA
I
2
C GEOMETRY CORRECTIONS
VERTICAL PARABOLA GENERATOR
(Pin Cushion - E/W, Keystone, Corner)
HORIZONTAL DYNAMIC PHASE
(Side Pin Balance & Parallelogram)
VERTICAL DYNAMIC FOCUS
(Vertical Focus Amplitude)
GENERAL
SYNC PROCESSOR
12V SUPPLY VOLTAGE
8V REFERENCE VOLTAGE
HOR. & VERT. LOCK/UNLOCK OUTPUTS
READ/WRITE I
2
C INTERFACE
HORIZONTAL AND VERTICAL MOIRE
B+ REGULATOR
- INTERNAL PWM GENERATOR FOR B+
CURRENT MODE STEP-UP CONVERTER
- SOFT START
2
- I C ADJUSTABLEB+ REFERENCE VOLTAGE
- OUTPUT PULSES SYNCHRONIZED ON
HORIZONTAL FREQUENCY
- INTERNALMAXIMUMCURRENT LIMITATION
COMPARED
WITH
THE
TDA9109,
THE TDA9109/SN HAS :
- CORNER CORRECTION,
- HORIZONTAL MOIR脡,
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
HORIZONTAL
SELF-ADAPTATIVE
DUAL PLL CONCEPT
150kHz MAXIMUM FREQUENCY
X-RAY PROTECTION INPUT
I
2
C CONTROLS : H-POSITION, FREQUENCY
GENERATOR FOR BURN-IN MODE
VERTICAL
VERTICAL RAMP GENERATOR
50 TO 185Hz AGC LOOP
GEOMETRY TRACKING WITH VPOS & VAMP
I
2
C CONTROLS :
VAMP, VPOS, S-CORR, C-CORR
DC BREATHING COMPENSATION
SHRINK32
(Plastic Package)
ORDER CODE :
TDA9109/SN
B+ SOFT START,
INCREASED MAX.VERTICAL FREQUENCY,
NO HORIZONTAL FOCUS,
NO STEP DOWN OPTION FOR DC/DC CON-
VERTER,
- NO I
2
C FREE RUNNING ADJUSTMENT,
- FIXED HORIZONTAL DUTY CYCLE (48%),
- INCREASED MAXIMUM STORAGE TIME
OF THE HORIZONTAL SCANNING TRAN-
SISTOR.
DESCRIPTION
The TDA9109/SN is a monolithic integrated circuit
assembledin 32-pin shrink dual in line plastic pack-
age. This IC controls all the functions related to the
horizontal and vertical deflection in multimode or
multi-frequency computer display monitors.
The internal sync processor, combinedwith the very
powerful geometry correction block make the
TDA9109/SN suitable for very high performance
monitors, using very few external components.
The horizontaljitter level is very low. It is particularly
well suited for high-end 15鈥?and 17鈥?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.
1/30
-
-
-
-
June 1998
This is advance information on a new product now in development or undergoing evaluatio n. Details are subject to change without notice.

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