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 Horizontal OSC Starting Voltage Symbol Itot V2-7 Test Conditions Min Typ Max Unit VCC = 11V 30 45 60 mA Positive Polarity Signal Input 0 - 0.4 V Negative Polarity Signal Input 2.5 - 5.5 V 7.5 - - V Vosc-s (H) fHO = 12kHz to 19kHz Horizontal OSC Frequency fHO(1) VCC = 11V, C = 4400pf Horizontal OSC Enable Frequency fHO(2) VCC = 11V, C = 820pf, 5600pf fHO Change with Supply Voltage fHO/VCC fHO = 15.75kHz, fHO |9.9V - fHC| 12.1V fHO Change with Ambient Temperature fHO/TA OSC Frequency Control Sensitivity fHO = 15.75kHz, fHO |-20C - fHO| +60C IO = 25A 15.0 15.75 16.5 kHz 14 - 60 kHz - 40 130 Hz - - 260 Hz 16.0 17.6 19.3 Hz/A Electrical Characteristics (Cont'd): (TA = +25C unless otherwise specified) Parameter Symbol DC Loop Gain fDC Test Conditions x Min Typ Max Unit - 700 - Hz/s Output Pulse Width HO(1) VCC = 11V, R = 20k, C = 6800pf 17.8 19.4 21.2 s Output Enable Pulse Width HO(2) VCC = 11V, R = 20k, C = 330pf, 18000pf 2 - 40 s - - 5 % VCC = 11V, TA = -20 to +60C - - 5 % HO/VCC VCC = 9.9V to 12.1V Output Pulse Width Supply Voltage Change Output Pulse Width Temperature Change HO/TA OSC Output Saturation Voltage V8-7 VCC = 11V, V10-7 = 1V - - 2 V OSC Output Driving Current V8-7 VCC = 11V, V10-7 = 1V 300 - - mA X-Ray Protection Circuit Operation Starting Voltage V6-7 VCC = 11V 0.5 0.64 0.75 V 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 5 V CC 4 AFC Output 3 FBK Pulse Input 2 Polarity Switch 1 H-Sync Input .150 (3.81) 1.157 (29.4) 1 12 .311 (7.9) .184 (4.7) .100 (2.54) Typ 1.100 (27.9)