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| NTE7045 Integrated Circuit Horizontal Signal Processing Circuit for CRT Displays Features: D Processing for both Negative and Positive Sync. Signal D Wide Horizontal Oscillation Frequency Range: 14kHz to 60kHz D Wide Output Pulse Width Selection: 2s to 40s Absolute Maximum Ratings: (TA = +25C unless otherwise specified) Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13.2V Supply Current, ICC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50mA Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1140mW Operating Ambient Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -20 to +70C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40 to +150C Electrical Characteristics: (TA = +25C unless otherwise specified) Parameter Total Circuit Current Polarity Changeover Voltage Symbol Itot V2-7 Test Conditions VCC = 11V Positive Polarity Signal Input Negative Polarity Signal Input Horizontal OSC Starting Voltage Horizontal OSC Frequency Horizontal OSC Enable Frequency fHO Change with Supply Voltage fHO Change with Ambient Temperature OSC Frequency Control Sensitivity Vosc-s (H) fHO = 12kHz to 19kHz fHO(1) fHO(2) VCC = 11V, C = 4400pf VCC = 11V, C = 820pf, 5600pf Min 30 0 2.5 7.5 Typ 45 - - - Max 60 0.4 5.5 - Unit mA V V V kHz kHz Hz Hz 15.0 15.75 16.5 14 - - 16.0 - 40 - 17.6 60 130 260 fHO/VCC fHO = 15.75kHz, fHO |9.9V - fHC| 12.1V fHO/TA fHO = 15.75kHz, fHO |-20C - fHO| +60C IO = 25A 19.3 Hz/A Electrical Characteristics (Cont'd): (TA = +25C unless otherwise specified) Parameter DC Loop Gain Output Pulse Width Output Enable Pulse Width Output Pulse Width Supply Voltage Change Output Pulse Width Temperature Change OSC Output Saturation Voltage OSC Output Driving Current X-Ray Protection Circuit Operation Starting Voltage Symbol fDC HO(1) HO(2) x VCC = 11V, R = 20k, C = 6800pf VCC = 11V, R = 20k, C = 330pf, 18000pf Test Conditions Min - 17.8 2 - - - 300 0.5 Typ 700 19.4 - - - - - 0.64 Max - 21.2 40 5 5 2 - 0.75 Unit Hz/s s s % % V mA V HO/VCC VCC = 9.9V to 12.1V HO/TA V8-7 V8-7 V6-7 VCC = 11V, TA = -20 to +60C VCC = 11V, V10-7 = 1V VCC = 11V, V10-7 = 1V VCC = 11V Pin Connection Diagram (Front View) 12 Ref Voltage for H-OSC Circuit 11 Sawtooth Wave Gen 10 Pulse Width Adjust 9 Trigger Input 8 H-Drive Output 7 GND 6 X-Ray Protect Input 5V CC 4 AFC Output 3 FBK Pulse Input 2 Polarity Switch 1 H-Sync Input 1.157 (29.4) .150 (3.81) 1 12 .311 (7.9) .184 (4.7) .100 (2.54) Typ 1.100 (27.9) |
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