TDA8214B STMicroelectronics, TDA8214B Datasheet
TDA8214B
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TDA8214B Summary of contents
Page 1
... VERY FEW EXTERNAL COMPONENTS VERY LOW COST POWER PACKAGE DESCRIPTION The TDA8214B is an horizontal and vertical deflec- tion circuit with super sandcastle generator and video identification output. Used with TDA8213 (Video & Sound IF system) and TDA8217 (Pal decoder and video processor), this IC permits a complete low-cost solution for PAL applications ...
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... TDA8214B BLOCK DIAGRAM Vcc2 Vcc1 Video 8 Identification Video 20 Input 18 Line Flyback ABSOLUTE MAXIMUM RATINGS Symbol V 1 Supply Voltage Flyback Generator Supply Voltage CC V9 Frame Power Supply Voltage I10 Frame Output Current (non repetitive) NR I10 Frame Output Current (continuous) V17 Line Output Voltage (external) ...
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... FPR Frame Period Ratio = FFP/MFP FG Frame Saw-tooth Gain Between Pin 1 and non Inverting Input of the Frame Amplifier F Vertical Frequency Drift with Temperature (see application) Parameter , C = 2.2nF Tied to Ground) = 200mA) = -500 180nF Tied to Ground TDA8214B Min. Typ. Max. Unit 10.5 V 1.4 1.75 ...
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... TDA8214B ELECTRICAL CHARACTERISTICS (continued 10V (unless otherwise specified ) CC1 AMB Symbol FRAME POWER SUPPLY (Pin 9) V9 Operating Voltage (with flyback Generator) I9 Supply Current (V9 = 30V) FLYBACK GENERATOR SUPPLY (Pin 3) V Operating Voltage CC2 FRAME OUTPUT (Pin 10) Saturation Voltage to Ground (V9 = 30V) LV10A I10 = 0.1A ...
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... GENERAL DESCRIPTION The TDA8214B performs all the video and power functions required to provide signals for the line driver and frame yoke. It contains synchronization separator - An integrated frame separator without external components - A saw-tooth generator for the frame - A power amplifier for direct drive of frame yoke ...
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... TDA8214B Figure 3 : Line Oscillator R5 Phase comparator output The oscillator thresholds are internally fixed by resistors. The discharge of the capacitor depends on the internal resistor R4. The control voltage is applied on resistor R5. Figure 4 : Phase Comparator Line Flyback Integrated Flyback Sync pulse Output Current The sync-pulse drives the current in the compara- tor ...
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... The identification output level is high when video signal is present. Important remark : minimum saw-tooth amplitude on Pin 13 has Line Flyback Input Line Flyback 18 Detection Frame Output Burst gate Frame Blanking pulse 10 Detection generator YOKE 14 TDA8214B Vcc1 Frame sync pulse (typ Vcc1 RC SSC 19 Output 400 µ A 7/9 ...
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... TDA8214B Figure 8 : Video Identification Circuit (Pin 2.75V 5. 2.25V V CC1 10k Video Ident. Output 1N4148 BC547 10 F TYPICAL APPLICATION 4.7 Vcc +24V Vcc1 100nF 100 F 27k 220pF 180nF 220nF 14 1.5k Video Input 120pF 560k 20 15k 22nF Line 13 Flyback 68pF 22nF 18 100k 4.7k ...
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... Max. 1.4 0.5 0.5 24.8 8.8 2.54 22.86 7.1 5.1 3.3 1. system, is granted provided that the system conforms to 2 the I C Standard Specifications as defined by Philips. TDA8214B b1 E Inches Min. Typ. 0.020 0.033 0.055 0.020 0.015 0.020 0.976 0.346 0.100 0.900 0.280 ...