TDA9105 ST Microelectronics, TDA9105 Datasheet
TDA9105
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TDA9105 Summary of contents
Page 1
... ZONTAL & VERTICAL SYNC POLARITIES . SEPARATE H & V TTL INPUT COMPOSITE BLANKING OUTPUT DESCRIPTION The TDA9105 is a monolithic integrated circuit assembled pins shrink dual in line plastic package. June 1996 This is advance information on a new product now in development or undergoing evaluation. Details are subject to change without no tice. ...
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... TDA9105 PIN DESCRIPTION Pin Name 1 V-FOCUS Vertical Dynamic Focus Output 2 H-LOCKOUT First PLL Lock/Unlock Output 3 PLL2C Second PLL Loop Filter 4 H-DUTY DC Control of Horizontal Drive Output Pulse Duty-cycle. If this Pin is grounded, the Horizontal and Vertical Outputs are inhibited. By connecting a Capacitor on this Pin a Soft-start function may be realized on H-drive Output ...
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... BLOCK DIAGRAM H-OUTEM H-OUTCOL H-DUTY XRAY-IN H-LOCKOUT PLL2C H-FLY FC1 FC2 R0 C0 PLL1F H-POS TDA9105 VDCIN BLK-OUT V-FLY VDCOUT V-POS V-OUT V-AMP VAGCCAP VCAP C-CORR VS-AMP 3/32 ...
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... TDA9105 QUICK REFERENCE DATA Parameter Horizontal Frequency Autosynch Frequency (for Given R0, C0) Hor Sync Polarity Input Compatibility with Composite Sync on H-SYNC Input st Lock/Unlock Identification on 1 PLL DC Control for H-Position X-RAY Protection Hor DUTY Adjust Stand-by Function Two Polarities H-Drive Outputs Supply Voltage Monitoring ...
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... Maximum Input Peak Current (Pin 5) Horizontal Drive Output Max Current HOI1 Pin 20 HOI2 Pin 21 DC CONTROL VOLTAGES DCadj DC Voltage on DC Controls (Pins 4-15) Parameter Parameter Max. Test Conditions Sourced current Sink current REF-H TDA9105 Value Unit 13 1 300 V -40, +150 C 150 C ...
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... TDA9105 HORIZONTAL SECTION (continued) Electrical Characteristics (V = 12V Symbol Parameter SUPPLY AND REFERENCE VOLTAGES V Supply Voltage (Pin 18 Supply Current (Pin 18 Reference Voltage for Horizontal Section (Pin 7) REF-H I Max Sourced Current on V REF-H REF-H V Reference Voltage for Vertical Section (Pin 26) ...
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... See Note 2 V/V at T/4 30pp V/V at 3T/4 30pp See Note 1 For TDA9105 Min. Typ. Max. Unit 0 5.5 V 6.5 V 6.5 V 0 Min. Typ. Max. Unit 2/8 V REF-V 5/8 V REF ...
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... TDA9105 VERTICAL SECTION (continued) East/West Function Symbol Parameter EW DC Output Voltage (see Figure 2) DC TDEW DC Output Voltage Thermal Drift DC EW Parabola Amplitude para EW Parabola Amplitude versus V-AMP track Control (tracking between V-AMP and E/W) KeyAdj Keystone Adjustment Capability : A/B Ratio (see Figure 2) B/A Ratio ...
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... Test Conditions Min 4V See Note V = 2V, V grounded 4V -0.84 -0. -1.78 -1. -3.14 -2. 2V, V grounded TDA9105 Typ. Max. Unit 6 V 100 ppm/C -0.6 V -1.36 V -2.56 V 0.52 0.62 0.58 0.68 9/32 ...
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... TDA9105 Figure 1 : Testing Circuit 10k 1k 10k 22nF 47nF 47nF 0.1% 6.49k 1% 680pF F 4.7 1.8k 10nF F 1 10/32 100nF F 2.2 ...
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... Figure 2 : E/W Output EW PARA Figure 4 : Vertical Dynamic Focus Function A Figure 3 : Dynamic Horizontal Phase Control Output VDF DC VDF B AMP TDA9105 SPB DHPC PARA 11/32 ...
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... TDA9105 TYPICAL VERTICAL OUTPUT WAVEFORMS Control Output Function Pin Pin Vertical Size 31 30 Vertical Position Control Vertical In/Out 40 Vertical Linearity Vertical Linearity 12/32 Control Specification Voltage 3.2V 4V 3. controlling the center position signals ...
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... Note : The specification of Output voltage is indicated on 4V sawtooth output voltage. Control Specification Voltage 4.95V 39 2.95V 2V 2.5V 4.95V 2.95V 1.45V 1.45V vertical sawtooth output condition.The output voltage depends on vertical PP TDA9105 Picture Image 13/32 ...
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... TDA9105 OPERATING DESCRIPTION GENERAL CONSIDERATIONS Power Supply The typical value of the power supply voltage V is 12V. Perfect operation is obtained if V tained in the limits : 10.8V 13.2V. In order to avoid erratic operation of the circuit during the transient phase of V switching on switching off, the value monitored and the ...
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... As an example for a synchro range from 30kHz to 85kHz, the suggested free frequency is 27kHz. Figure 1.6V 0 0.75T T TDA9105 PLL1F PLL VCO INHIBITION H-POS OSC 15 3.2V PHASE ADJUST PLL1F 12 RS FLIP FLOP 15/32 ...
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... TDA9105 OPERATING DESCRIPTION (continued) The PLL1 ensures the coincidence between the leading edge of the synchro signal and a phase reference obtained by comparison between the sawtooth of the VCO and an internal DC voltage adjustable between 2.4V and 4V (by Pin 15 phase adjustment is possible (see Figure 11). ...
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... Figure 14 : Flyback Input Electrical Diagram HFLY PLL1INHIB Filter HLOCKOUT High CHARGE PLL PUMP INHIBITION E2 Low Horizontal Adjust 15 PHASE 3.2V ADJUST 4V High CHARGE COMP2 PUMP EN Low LOGI PWM TDA9105 0.5mA (typ.) output current. 400 5 Q1 20k GND VCO OSC FLYBACK 5 Flyback 21 SortCOLL BUFFER 20 SortEM 17/32 ...
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... TDA9105 OPERATING DESCRIPTION (continued) Output Section The H-drive signal is transmitted to the output through a shaping block ensuring a duty cycle adjustable from 30% to 50%. In order to ensure a reliable operation of the scanning power part, the output is inhibited in the following circumstances : - V too low Xray protection activated, - During the horizontal flyback, - Output voluntarily inhibited through Pin 4 ...
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... DC control inputs may leads to the output stages satu- ration. This must be avoided by limiting the output voltage by apropriate DC control voltages. TDA9105 23 must be con- DCOUT tracking by applying a POS Pin. ...
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... TDA9105 OPERATING DESCRIPTION (continued) Geometric Corrections (continued) Figure 20 : Geometric Corrections Principle ANALOG MULTIPLIER VERTICAL RAMP 2 VDCIN For E/Wpart and Dynamic Horizontal phase control part, a sawtooth shaped differential current in the following form is generated: I’ = k’ (V Then I and I’ are added together and converted into voltage ...
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... V_FOCUS to keep a high accuracy to each adjustment. Its typical value The charge of the external capacitor on Pin generates a fixed amplitude ramp between CAP the internal voltages 5 REF TDA9105 AMPLIFIER SAMP. CAP S CORRECTION 28 VS_AMP 29 COR_C C CORRECTION 30 VERT_OUT 31 VERT_AMP = V = 8V. REF ...
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... TDA9105 OPERATING DESCRIPTION (continued) VERTICAL PART (continued) Function When the synchronisation pulse is not present, an internal current source sets the free running fre- quency. For an external capacitor, C the typical free running frequency is 100Hz. Typical free running frequency can be calculated 1.5 10 ...
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... INTERNAL SCHEMATICS Figure 22 Href Pins 1-37-40 1mA max Figure 23 Pins V 2-22-23 CC 10mA max. N MOS Figure 24 Href 3 Figure MOS Figure 26 5 Figure Figure 28 8 Figure 29 9 TDA9105 7 23/32 ...
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... TDA9105 INTERNAL SCHEMATICS (continued) Figure 30 10 Figure 31 11 Figure 32 N MOS P MOS P MOS 12 Figure 33 N MOS 13 24/32 Figure 34 P MOS 14 Figure 35 15 Figure 36 16 ...
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... INTERNAL SCHEMATICS (continued) Figure 37 P MOS 17 Figure 38 21 20mA max. 20 Figure REF CC 27 Figure 39 25 Figure 40 V REF V REF TDA9105 P MOS MOS 25/32 ...
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... TDA9105 INTERNAL SCHEMATICS (continued) Figure 42 V REF 28 Figure MOS Figure Figure 45 V REF 31 26/32 Figure Figure 47 V REF V REF 33 Figure 48 V REF 34 Figure 49 35 ...
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... INTERNAL SCHEMATICS (continued) Figure 50 V REF 36 Figure 51 Pins 38-39 41-42 P MOS TDA9105 V REF 27/32 ...
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... TDA9105 APPLICATION DIAGRAMS Figure 52 : Demonstration Board 10k R30 3.9k R28 120k R29 10k R27 3.9k R25 120k R26 10k R24 3.9k R22 120k R23 10k R21 3.9k R19 120k R20 10k R15 3.9k R13 120k R14 10k R18 3.9k R16 120k R17 10k R12 3.9k R10 120k R11 ...
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... APPLICATION DIAGRAMS Figure 53 : Control Board 4.7k Pc13 47k Pc12 47k Pc11 47k Pc10 47k Pc9 47k Pc8 47k Pc7 47k Pc6 47k Pc5 47k Pc4 47k Pc3 47k Pc1 TDA9105 29/32 ...
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... TDA9105 APPLICATION DIAGRAMS Figure 54 : PCB Layout 30/32 ...
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... APPLICATION DIAGRAMS Figure 55 : Components Layout TDA9105 31/32 ...
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... TDA9105 PACKAGE MECHANICAL DATA 42 PINS - PLASTIC SHRINK DIP Millimeters Dimensions Min. Typ 0.51 A2 3.05 3.81 B 0.36 0.46 B1 0.76 1.02 c 0.23 0.25 D 37.85 38.10 E 15.24 E1 12.70 13.72 e 1.778 e1 15. 2.54 3.30 Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use ...