NTE1268 Datasheet | NTE Electronics

Description : The NTE1268 is an integrated circuit in a 28- Lead DIP type package designed for DC Servo Control Circuits in VCR’s. Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) Supply Voltage (V5- 24), VCC - - - - - - - - - - - 14.4V Power Dissipation, PD - - - - - - - - - - - . . . 640m W Operating Temperature Range, Topr - - - - - - - - . - 20° to +70°C Storage Temperature Range, Tstg - - - - - - - - . . - 40° to +150°C Electrical Characteristics: (TA = +25°C, VCC = 12V unless otherwise specified) Parameter Total Circuit Current Trapezoidal Reference Voltage Output Voltage FF- II Trapezoidal I Trapezoidal II S & H- I S & H- II Gate- II Input Sensitivity MM Trapeziodal Gate S&H DET- I DET- II FG FF Symbol I5- 2 V16- 24 V23- 24 V17- 24 V17- 24 V12- 24 V12- 24 V10- 24 V22- 24 V15- 24 V7- 24 Vis(14) Vis(28) Vis(2) Vis(4) Vis(25) f = 400Hz f = 30Hz, Rectangular Wave f = 30Hz, PW = 100µs 400Hz, 1/2 Sampling Sine Wave, td = 1ms Test Conditions Min 23 0.77 Typ 31 1.0 Max 41 1.2 - 3.6 - 500 - - - - - - - - - - Unit m A V V V V m V V V VO- P VO- P VO- P VO- P m VO- P m VO- P m VP- P VO- P 10.0 10.9 2.4 11.0 - 8.0 9.0 3.5 4 3.5 1.5 50 50 100 3 3.0 11.9 240 8.8 10.0 - - - - - - - - Pin Connection Diagram Ripple Filter 1 Detector 2 Input 2 Detector Time Constant 3 FG Amp Input 4 VCC 5 Flip- Flop Output 6 Gate Input 7 Gate Time Constant 8 Gate Time Constant 9 Motor Speed Signal Output 10 Ripple Filter 11 Motor Phase Signal Output 12 Bypass 13 Timing Signal Input 14 28 Detector 1 Input 27 Detector Time Constant 26 Jumper to Pin22 & Pin25 25 Jumper to Pin22 & Pin26 24 GND Return 23 To Head Switch 22 Jumper to Pin25 & Pin26 21 Multi Time Constant 20 Multi Time Constant 19 GND 18 S & H Signal...