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NTE7004 Integrated Circuit Electronic Channel Select System Control
Description: The NTE7004 contains CPU/PLL-excluded peripheral circuits such as band switch, +5V power supply (with RST), sync detector, low-pass filter for color TV/VCR frequency synthesizer channel select system use. Functions: D Band Switch (2-Input, 4-Output) D Video Signal, Flyback Pulse, AFT Output-Used Detection of Tuning Mode and Horizontal Sync Mode D +5V Power Supply, with RST Output (for CPU) D OP Amp for Low-Pass Filter (for Frequency Synthesizer) Features: D The Band Switch Truth Table can be changed in a short period of time at the user's option. D The Band Switch is of PNP output type which need not be driven externally. D The OP Amp for Low-Pass Filter is excellant in pulse response because of it's High-Impedance Input Pin. Absolute Maximum Ratings: (TA = +25C unless otherwise specified) Allowable Power Dissipation (TA +65C), Pdmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 770mW Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -20 to +65C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to +125C Band Switch Section VCC1 Maximum Supply Voltage, V13max . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V Maximum Load Current, I14, I15, I16, I17max . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -50mA Maximum Applied Voltage (Output OFF), V14, V15, V16, V17max . . . . . . . . . . . . . . . . . . . . . . . . . . -15V Maximum Applied Voltage (Input, Vcc = 14V), V6max, V7ma . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12V +5V Power Supply Section VCC2 Maximum Supply Voltage, V10max . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V +5V Output Current, I8max . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -38mA
Absolute Maximum Ratings (Cont'd): (TA = +25C unless otherwise specified) Tuning Detector Section Maximum Input Voltage, V2max . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.5V Maximum Input Voltage, V3max . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VCC1V Maximum Input Voltage (Negative Polarity), -V2max . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -1.4V Maximum Comparator Difference Voltage, V19 - V20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6V Maximum Output Current, I1max . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -3mA Low-Pass Filter Section Maximum Applied Voltage, V12max . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35V Maximum Input Voltage, V11max . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.9V Recommended Operating Conditions: (TA = +25C unless otherwise specified)
Parameter Supply Voltage Range (VCC1) (VCC2) Output Current (Tuning Detection Section) Load Current (LPF Section) Comparator Voltage Setting Range (Tuning Detector Section) Symbol V10 V13 I4, I5 I12 V19 Min 9.0 9.0 - - 2.7 Typ 12.0 12.0 - 3 - Max 14.0 14.0 3 5 7.0 mA mA V Unit V
Electrical Characteristics: (TA = +25C, VCC1 = 12V, VCC2 = 12V unless otherwise specified)
Parameter Band Switch Section Quiescent Current Dissipation Output Saturation Voltage Input "H" Level Voltage Input "L" Level Voltage Output Leakage Current +5V Power Supply Section Quiescent Current Dissipation +5V Output Voltage RST Output Voltage Tuning Detection Section Input Threshold Voltage Comparator Voltage Window Comparator "H" Voltage Window Comparator "L" Voltage Output Saturation Voltage Low-Pass Filter Output Current LPF Section Output Saturation Voltage Input Threshold Voltage Input Current V12sat V11TH I11 0 2.0 - - - - 0.3 2.4 20 V V nA V2TH VC19 VCH VCL V4sat V5sat IOL Isink = 2mA Isink = 2mA 0.4 3.7 5.7 2.7 0 0 -1.8 0.72 4.0 6.0 3.0 0.33 0.33 - 1.5 4.3 6.3 3.3 0.7 0.7 -0.9 mA V V V V V ICC2 V8 V9sat I8 = -30mA I9 = -100A - 4.5 4.5 3.6 - - - 5.5 5.5 mA V V ICC1 F1 to 4 sat V6TH, V7TH V6TL, V7TL IFL -15V IO = -40mA - 0 2.2 0 - 16.0 - - - - - 0.7 - 0.8 -50 mA V V V A Symbol Test Conditions Min Typ Max Unit
Band Switch Truth Table
Input A (Pin7) L H L H B (Pin6) L L H H F1 (Pin14) H Z Z Z F2 (Pin15) Z H Z Z Output F3 (Pin16) Z Z H Z F4 (Pin17) Z Z Z H
Z: High Impedance Operation of Tuning Detection Section
Tuning Mode Unsynchronized LPF Output L AFT AFT-L AFT-C AFT-H AFT-L Synchronized H AFT-C AFT-H OUT1 L L L H H L OUT2 L L L L H H
AFT-L: VAFT < VCL AFT-C: VCL < VAFT < VCH AFT-H: VAFT > VCH
Pin Connection Diagram
Sync Separator FBP AFT Output 1 Output 2 Bandswitch Input B Bandswitch Input A + 5V Output
1 2 3 4 5 6 7 8
20 LPF 19 OP Amp Input 18 GND 17 Bandswitch Output F4 16 Bandswitch Output F3 15 Bandswitch Output F2 14 Bandswitch Output F1 13 VCC 1 12 Output to TV 11 PLL Input
RST Output 9 VCC 2 10
20 1
11 .280 (7.12) Max 10
.995 (25.3) Max
.300 (7.62)
.280 (7.12)
.100 (2.54)
.125 (3.17) Min
.385 (9.8)

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