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TDA9109N Datasheet

  • TDA9109N

  • LOW-COST DEFLECTION PROCESSOR FOR MULTISYNC MONITORS

  • 303.01KB

  • 32頁(yè)

  • STMICROELECTRONICS   STMICROELECTRONICS

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TDA9109/N
LOW-COST DEFLECTION PROCESSOR
FOR MULTISYNC MONITORS
I
2
C GEOMETRY CORRECTIONS
VERTICAL PARABOLA GENERATOR
(Pincushion, Keystone)
HORIZONTAL DYNAMIC PHASE
(Side Pin Balance & Parallelogram)
HORIZONTAL AND VERTICAL DYNAMIC FO-
CUS (Horizontal Focus Amplitude, Horizontal
Focus Symmetry, Vertical Focus Amplitude)
GENERAL
SYNC PROCESSOR
12V SUPPLY VOLTAGE
8V REFERENCE VOLTAGE
HOR. & VERT. LOCK/UNLOCK OUTPUTS
READ/WRITE I
2
C INTERFACE
VERTICAL MOIRE
B+ REGULATOR
- INTERNAL PWM GENERATOR FOR B+
CURRENT MODE STEP-UP CONVERTER
- S WI TCHABL E TO STEP-DOWN CON-
VERTER
2
- I C ADJUSTABLEB+ REFERENCE VOLTAGE
- OUTPUT PULSES SYNCHRONIZED ON
HORIZONTAL FREQUENCY
- INTERNAL MAX. CURRENT LIMITATION
COMPARED
WITH
THE
TDA9109,
THE TDA9109/N HAS :
- NO I
2
C FREE RUNNING FREQUENCY AD-
JUSTMENT
- FIXED HORIZONTAL DUTY CYCLE (48%)
- INCREASED MAX. STORAGE TIME OF THE
HORIZONTAL SCANNING TRANSISTOR
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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 165Hz AGC LOOP
GEOMETRY TRACKING WITH VPOS & VAMP
I
2
C CONTROLS :
VAMP, VPOS, S-CORR, C-CORR
DC BREATHING COMPENSATION
DESCRIPTION
The TDA9109/N 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, combined with the
very powerful geometry correction block make the
TDA9109/N 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 family,
TDA9206 (Video preamplifier) and STV942x (On-
Screen Display controller) the TDA9109/N allows
fully I
2
C bus controlled computer display monitors
to be built with a reduced number of external
components.
SHRINK32
(Plastic Package)
ORDER CODE :
TDA9109/N
June 1998
1/32

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