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| NTE1812 Integrated Circuit Capstan Interface Circuit for VCR Description: The NTE1812 is an integrated circuit in a 20-Lead DIP type package designed for VCR capstan interface. Features: D The Functions Consist of: FG Amplifier 2H/4H/6H Automatic Detector FG Divider Gain Automatic Change Circuit D Supply Voltage: 5V Absolute Maximum Ratings: (TA = +25C unless otherwise specified) Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.0V Power dissipation (TA = +70C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100mW Operating Ambient Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -20 to +70C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to +150C Electrical Characteristics: (VCC = 5V, TA = +25C 2C unless otherwise specified) Parameter Circuit Current FG Amp Input Sensitivity FG High-Level Frequency Dividing Output FG Low-Level Frequency Dividing Output A/B High-Level Output A/B Low-Level Output Playback CTL Input Sensitivity Mode Select Sensitivity Record/Playback PAL/MTSCX 1/2, C, A, B OP Amp. 3 High-Level Output OP Amp. 3 Low-Level Output Total Offset OP. Amp. NTSC 2H Total Offset OP. Amp NTSC 6H OP. Amp. 2 Gain Symbol I18 S19 VOH17 VO17 VOHA, B VOLA, B S16 S(MODE) VOH11 VOL11 VO(offset)2 VO(offset)6 GV2 -I = 2mA Test Conditions VREF = 2.5V Min 7 30 4.6 - 3.3 - 3.0 3.0 3.8 - - - -4 Typ - - - - - - - - - - - - - Max 14 - - 4.0 - 0.4 - - - 1.1 30 30 +2 Unit mA mV V V V V V V V V mV mV dB Note 1. Operating Supply Range VCC(opr) = 4.5V to 5.5V Pin Connection Diagram Mode Select B 1 GND 2 Mode Select C 3 Mode Select x 1/2 4 PAL/NTSC Select 5 B Output 6 A Output 7 Cap Error Input 8 Reference Input 9 OP Amp Input 10 20 Mode Select A 19 Cap FG Input 18 VCC 17 Cap FG Output 16 PB Control Input 15 FG Divide Select 14 Memory 13 Rec 2/4/6H Select 12 Rec/PB Select 11 Cap Error Output 20 11 .339 (8.6) 1 10 1.063 (27.0) Max .200 (5.08) Max .400 (10.16) .100 (2.54) .100 (2.54) Min |
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