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TDA9109S Datasheet

  • TDA9109S

  • LOW-COST DEFLECTION PROCESSOR FOR MULTISYNC MONITORS

  • 30頁

  • STMICROELECTRONICS   STMICROELECTRONICS

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TDA9109/S
LOW-COST DEFLECTION PROCESSOR
FOR MULTISYNC MONITORS
PRELIMINARY DATA
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HORIZONTAL
SELF-ADAPTATIVE
DUAL PLL CONCEPT
150kHz MAXIMUM FREQUENCY
X-RAY PROTECTION INPUT
I
2
C CONTROLS :
HORIZONTAL DUTY-CYCLE, H-POSITION,
FREE RUNNING FREQUENCY, FREQUENCY
GENERATOR FOR BURN-IN MODE
SHRINK32
(Plastic Package)
ORDER CODE :
TDA9109/S
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
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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)
COMPARED
WITH
THE
TDA9109,
THE TDA9109/S HAS :
- CORNER CORRECTION,
- HORIZONTAL MOIR脡,
- B+ SOFT START,
- INCREASED MAX. VERTICAL FREQUENCY,
- NO HORIZONTAL FOCUS,
- NO STEP DOWN OPTION FOR DC/DC CON-
VERTER.
DESCRIPTION
The TDA9109/S is a monolithic integrated circuit
assembled in 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, combined with the very
powerful geometry correction block make the
TDA9109/S suitable for very high performance
monitors, using very few external components.
The horizontal jitter level is very low. It is particularly
well suited for high-end 15" and 17" monitors.
Combined with the ST7275 Microcontroller fam-
ily, TDA9206 (Video preamplifier) and STV942x
(On-Screen Display controller) the TDA9109/S
allows fully I
2
C bus controlled computer display
monitors to be built with a reduced number of
external components.
1/30
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
- I
2
C ADJUSTABLE B+ REFERENCE VOLTAGE
- OUTPUT PULSES SYNCHRONIZED ON
HORIZONTAL FREQUENCY
- INTERNAL MAXIMUM CURRENT LIMITATION
June 1998
This is advance information on a new product now in development or undergoing evaluation. Details are subject to change without notice.

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