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NTE1658 Datasheet Preview

NTE1658 Datasheet

Integrated Circuit Television Tuner Band Selector

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NTE1658 pdf
NTE1658
Integrated Circuit
Television Tuner Band Selector
Description:
The NTE1658 is an integrated circuit in a 9–Lead SIP type package designed for electronically tuning
television sets. This IC is used for producing the VHF channel “L” band power supply/VHF channel
“H” band power supply/UHF channel power supply for tuner and the CATV power supply according
to the band select signal of 2 inputs.
Functions:
D VHF “L” Band Power Supply Output
D VHF “H” Band Power Supply Output
D UHF Power Supply Output
D CATV Power Supply Output
Features:
D 2 Inputs and 4 Outputs
D Output Low Saturation Voltage: 250mV Typ (IO = 60mA)
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Maximum Supply Voltage, V9max . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V
Maximum Load Current
I1max, I2max . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –60mA
I7max, I8max . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –60mA
Maximum Supply Current (VCC2), I6max . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10mA
Input Current, I3max, I4max . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2mA
Allowable Power Dissipation, Pdmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200mW
Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +85°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +125°C
Electrical Characteristics: (TA = +25°C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Dissipation Current
I1, I2, I7, I8
– – 60 mA
Output Saturation Voltage
V9 = 12V, I6 = 5mA, IO = 60mA 0 250 700 mV
Input “H” Level Threshold Voltage VTH
– – 3.0 V
Input “L” Level Threshold Voltage
VTL
0.8 – – V
Output Leakage Current
I1, I2, I7, I8 TA +70°C
– – 50 µA
Note 1. Current flowing into IC: Plus (No Sign)
Current flowing out of IC: Minus



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NTE

NTE1658 Datasheet Preview

NTE1658 Datasheet

Integrated Circuit Television Tuner Band Selector

No Preview Available !

NTE1658 pdf
Truth Table
Pin3
L
H
L
H
Input
Pin4
L
L
H
H
Pin1
H
Z
Z
Z
Pin2
Z
H
Z
Z
Output
Pin7
Z
Z
H
Z
Note 2. Z: High Impedance
Input Threshold Voltage: VTL = 800mV, VTH = 3V
Pin Connection Diagram
(Front View)
9 VCC 1
8 Output 4
7 Output 3
6 VCC 2
5 GND
4 Input
3 Input
2 Output 2
1 Output 1
Pin8
Z
Z
Z
H
.862 (21.89)
.059 (1.5)
1
.100 (2.54)
.118 (3.0)
.177
(4.5)
9
.110
(2.8)
.031 (0.78)
.053 (1.35)


Part Number NTE1658
Description Integrated Circuit Television Tuner Band Selector
Maker NTE
Total Page 2 Pages
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