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| NTE1708 Integrated Circuit TV Tuner Band Selector Description: This NTE1708 is a tuner band selector integrated circuit in a 9-Lead SIP type package intended for use in electronic tuning type TV sets. This device outputs supply voltages to the tuner unit according to 2-input band select signals. Features: D 2 Inputs, 4 Outputs D Decoders of 2 Types Available by Changing-Over C Pin. D Single-Supply Operation (Output Transistor: PNP Type) D Low Output Saturation Voltage Absolute Maximum Ratings: (TA = +25C unless otherwise specified) Maximum Supply Voltage, VCCmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14V Maximum Applied Voltage, V6, V7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -12V Maximum Load Current IO6max (f1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -20mA IO1max (f2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -35mA IO7max (f3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -20mA IO2max (f4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -35mA Input Current, IINmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2mA Allowable Power Dissipation, PDmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400mA Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -20 to +65C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to +125C Electrical Characteristics: (TA = +25C unless otherwise specified) Parameter Quiescent Current Output Saturation Voltage Input Threshold Voltage Output Leakage Current VTH I6, I7 Symbol ICCO Test Conditions Min - 0 0.8 - Typ 13 - 1.5 - Max 18 0.7 3.0 50 Unit mA V V A Note 1. Current flowing into IC: + (no sign) Note 2. Current flowing out of IC: - Truth Table: Input A (Pin3) H L H L H L H L B (Pin4) H H L L H H L L Control Pin C (Pin8) VCC VCC VCC VCC Open Open Open Open f1 (Pin6) Z Z Z H H Z Z H Pin Connection Diagram (Front View) Output f2 (Pin1) Z Z H Z Z Z H Z f3 (Pin7) Z H Z H Z H Z H f4 (Pin2) H H Z H H H Z H 9 VCC 8 Bootstrap 7 Ripple Filter 6 Ripple Filter 5 Input 4 Negative Feedback 3 Phase Compensation 2 GND 1 Output .862 (21.89) .059 (1.5) .118 (3.0) .053(1.35) .177 (4.5) 1 9 .110 (2.8) .100 (2.54) .031 (0.78) |
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