STV7778 STMicroelectronics, STV7778 Datasheet
STV7778
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STV7778 Summary of contents
Page 1
... H-PLL lock/unlock identification, - Auto-sync Vertical processing, - East/West signal processing block controller, - Safety blanking output. An internal metal shield give to the STV7778S more immunity against electromagnetic and electrostatic fields, and therefore, additional safety for critical applications (for example, in case of CRTs with small coated area). ...
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... STV7778S PIN CONNECTIONS 2/11 ...
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... DC Control of East/West Pincushion Correction Amplitude 38 KEYST DC Control of Keystone Correction 39 B+ ADJ DC Control of B+ Adjustment 40 REGIN Regulation Input of B+ Control Loop 41 COMP B+ Error Amplifier Output for Frequency Compensation and Gain Setting 42 I Sensing of External B+ Switching Transistor Emiter Current SENSE Function STV7778S 3/11 ...
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... XRAY-IN 16 HREF 5 H-VREF HGND 4 BANDGAP VREF 26 V-VREF VGND 24 INPUT VERTICAL VSYNC 34 INTERFACE OSCILLATOR 4/ 2nd PHASE VCO COMP LOCK DETECT SAFETY PROCESSOR V Outputs CC Inhibition S CORRECTION PULSE OUTPUT SHAPER BUFFER V REF PARABOLA GENERATOR STV7778S SBLKOUT B+-ADJ SENSE B+OUT 22 41 COMP REGIN 40 36 E/WOUT ...
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... Pins 2, 14, 15, 28, 29, 31, 33, 37, 38, 39 Pin 3 Pins 17, 34 Pin 40 Pin 42 Pin 16 Parameter Test conditions Pin 11 Pin 10 Pin 17 Pin 17 Pin 17 Pin 20, sourced current Pin 21, sunk current V = 8V, Pins 2-14-15 REF-H STV7778S Value 13 300 -40, +150 150 0, +70 Value Max. 65 Min. ...
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... STV7778S HORIZONTAL SECTION (continued) Electrical Characteristics (V CC Symbol Parameter SUPPLY AND REFERENCE VOLTAGES V Supply Voltage CC I Supply Current CC V Reference Voltage for Horizontal Section REF-H I Max Sourced Current on V REF-H V Reference Voltage for Vertical Section REF-V I Max Sourced Current on V REF-V ...
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... V with error amp (+) input for < 12V 25°C) amb Test conditions See Figure 2 ; Internal voltage See Figure 4.3V < STV7778S Min. Typ. Max. 5 Min. Typ. Max 0 10mA 0.25 22 4.9 < Min. Typ. Max. 3.2 3.5 3 2.3 2 3.3 3.8 < 6V 2.4 3 Unit 0 ...
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... STV7778S VERTICAL SECTION Operating Conditions Symbol Parameter VSVR Vertical Sync Input Voltage Electrical Characteristics (V CC Symbol Parameter I Pin 23-28-29 Bias Current (Current sourced BIASP by PNP base) I Pin 31 Bias Current (Current sunk by NPN BIASN base) VSth Vertical Sync Input Threshold Voltage VSBI ...
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... Figure 1 : Testing Circuit 4.7k 6.49k 1.8k STV7778S 9/11 ...
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... STV7778S Figure 2 : Keystone Adjustment Figure Amplitude Adjustment increase when when V Figure Correction Adjustment 10/ 3.8 3.5 3.2 T/4 T/2 3T/4 increase 4.0V 3.5V 3. V30pp T T ...
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... STMicroelectronics - All Rights Reserved 2 C system, is granted provided that the system conforms to 2 the I C Standard Specifications as defined by Philips. STMicroelectronics GROUP OF COMPANIES http://www.st.com STV7778S .015 0,38 Gage Plane e3 e2 SDIP42 Inches Min. ...