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TDA9109-TDA9109/S-TDA9109S
LOW-COST DEFLECTION PROCESSOR FOR MULTISYNC MONITORS
TDA9109/SLOW-COST DEFLECTION PROCESSOR
FOR MULTISYNC MONITORS
June 1998
PRELIMINARY DATA
HORIZONTAL. SELF-ADAPTATIVE. DUAL PLL CONCEPT. 150kHz MAXIMUM FREQUENCY. X-RAY PROTECTION INPUT.I2 C CONTROLS :
HORIZONTAL DUTY -CYCLE, H-POSITION,
FREE RUNNING FREQUENCY, FREQUENCY
GENERATOR FOR BURN-IN MODE
VERTICAL. VERTICAL RAMP GENERATOR. 50 TO 185Hz AGC LOOP. GEOMETRY TRACKING WITH VPOS & VAMP.I2 C CONTROLS :
VAMP, VPOS, S-CORR, C-CORR. DC BREATHING COMPENSATION
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 I2 C INTERFACE. HORIZONTAL AND VERTICAL MOIRE. B+ REGULATOR INTERNAL PWM GENERATOR FOR B+
CURRENT MODE STEP-UP CONVERTER SOFT START2 C ADJUSTABLE B+ REFERENCE VOLTAGE OUTPUT PULSES SYNCHRONIZED ON
HORIZONTAL FREQUENCY INTERNAL MAXIMUM CURRENT LIMITATION COMPARED WITH THE TDA9109,
THE TDA9109/S HAS : CORNER CORRECTION, HORIZONTAL MOIRÉ, B+ SOFT START, INCREASED MAX. VERTICAL FREQUENCY, NO HORIZONTAL FOCUS, NO STEP DOWN OPTION FOR DC/DC CON-
VERTER.
DESCRIPTIONThe 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 I2 C bus controlled computer display
monitors to be built with a reduced number of
external components.
1/30
PIN CONNECTIONS
TDA9109/S2/30
PIN CONNECTIONS
TDA9109/S3/30
QUICK REFERENCE DATA
TDA9109/S4/30
BLOCK DIAGRAM
TDA9109/S5/30
ABSOLUTE MAXIMUM RATINGS
THERMAL DATA
SYNC PROCESSOR
Operating Conditions (VDD = 5V, Tamb = 25oC)
Electrical Characteristics (VDD = 5V, Tamb = 25oC)
Note 1 : TH is the horizontal period.2
C READ/WRITE (see Note 2)
Electrical Characteristics (VDD = 5V,Tamb = 25oC)2 C PROCESSOR
Note 2 : See also I2 C Table Control and I2 C Sub Address Control.
TDA9109/S6/30
HORIZONTAL SECTION
Operating ConditionsVCO
OUTPUT SECTION
Electrical Characteristics (VCC = 12V, Tamb = 25oC)
SUPPLY AND REFERENCE VOLTAGES
1st PLL SECTION
Notes :3. This delay is mandatory to avoid a wrong detection of polarity change in the case of a composite sync. See Figure 10 for explanation of reference phase. These parameters are not tested on each unit. They are measured during our internal qualification.
TDA9109/S7/30
HORIZONTAL SECTION (continued)
Electrical Characteristics (VCC = 12V, Tamb = 25o C) (continued)
2nd PLL SECTION AND HORIZONTAL OUTPUT SECTION
VERTICAL DYNAMIC FOCUS FUNCTION (positive parabola)
Notes :5. These parameters are not tested on each unit. They are measured during our internal qualification. Duty Cycle is the ratio between the output transistor OFF time and the period. The power transistor is controlled OFF when the
output transistor is OFF. Initial Condition for Safe Operation Start Up See Figure 14. S and C correction are inhibited so the output sawtooth has a linear shape.
TDA9109/S8/30
VERTICAL SECTION
Operating ConditionsOUTPUTS SECTION
Electrical Characteristics (VCC = 12V, Tamb = 25oC)
VERTICAL RAMP SECTION
Notes :5. These parameters are not tested on each unit. They are measured during our internal qualification.
10. With Register 07 at Byte x0xxxxxx (S correction is inhibited) and with Register 08 at Byte x0xxxxxx (C correction is inhibited), the
sawtooth has a linear shape.
11. This is the frequency range for which the vertical oscillator will automatically synchronize, using a single capacitor value on Pin 22
and with a constant ramp amplitude.
12. TV is the vertical period.
TDA9109/S9/30
VERTICAL SECTION (continued)
Electrical Characteristics (VCC = 12V, Tamb = 25o C) (continued)
East/West (E/W) FUNCTION
BREATHING COMPENSATION
Notes :10. With Register 07 at Byte x0xxxxxx (S correction is inhibited) and with Register 08 at Byte x0xxxxxx (C correction is inhibited), the
sawtooth has a linear shape.
13. These parameters are not tested on each unit. They are measured during our internal qualification.
14. TH is the horizontal period.
15. When not used the DC breathing control pin must be connected to 12V.
TDA9109/S10/30
B+ SECTION
Operating Conditions
Electrical Characteristics (VCC = 12V, Tamb = 25oC)
Notes :13. These parameters are not tested on each unit. They are measured during our internal qualification.
16. These parameters are not tested on each unit. They are measured during our internal qualification procedure which includes
characterization on batches coming from corners of our processes and also temperature characterization.
17. The external power transistor is OFF during about 400ns.
Figure 1 : Vertical Dynamic Focus Function
Figure 3 : Dynamic Horizontal Phase Control
Output
Figure 2 : E/W Output
Figure 4 : Keystone Effect on E/W Output
(PCC and Corner Inhibited)
TDA9109/S11/30
TYPICAL VERTICAL OUTPUT WAVEFORMS
TDA9109/S12/30
GEOMETRY OUTPUT WAVEFORMS
TDA9109/S13/30
2
C BUS ADDRESS TABLESlave Address (8C) : Write Mode
Sub Address Definition Horizontal Drive Selection / Horizontal Duty Cycle Horizontal Position Forced Frequency / Free Running Frequency Sync Priority / Horizontal Moiré Amplitude Refresh / B+ Reference Adjustment Vertical Ramp Amplitude Vertical Position Adjustment S Correction C Correction E/W Keystone E/W Amplitude E/W Corner Adjustment Vertical Moiré Amplitude Side Pin Balance Parallelogram Vertical Dynamic Focus Amplitude
Slave Address (8D) : Read ModeNo sub address needed.
TDA9109/S14/30
WRITE MODE
READ MODE
[ ] initial value
Data is transferred with vertical sawtooth retrace.
We recommend to set the unspecified bit to [0] in order to assure the compatibility with future devices.
2
C BUS ADDRESS TABLE (continued)
TDA9109/S15/30
