NTE NTE1688 Integrated circuit tv tuner bandswitch Datasheet

NTE1688
Integrated Circuit
TV Tuner Bandswitch
Description:
The NTE1688 is an integrated circuit in a 9–Lead SIP type package incorporating TV tuner bandswitch circuits and a 31V power supply circuit.
Features:
D Tuner Bandswitch Circuit with 31V Voltage Regulator
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18V
Supply Current, I6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14mA
Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 620mW
Operating Ambient Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +70°C
Storage Temperatuere Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +150°C
Electrical Characteristics: (TA = +25°C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Input Threshold Voltage
Vt
VCC = 12V
1.5
–
2.5
V
Input Threshold Current
It
VCC = 12V
100
–
500
µA
Output Saturation Voltage
VCE(sat)
VCC = 12V, I0 = –60mA
–
0.3
0.8
V
Pin8 Output Saturation Voltage
VCE(sat)
VCC = 12V, I8 = 20mA
–
0.2
0.5
V
V6–5
VCC = 12V, I6 = 10mA
29.5
31.7
33.5
V
TA = –20° to +60°C
–1.0
0
+1.0
mV/°C
–
–
±50
mV
Voltage Regulator
Voltage Regulator with Ambient Temperature
V6–5/TA
∆V6–5
Voltage Regulator Voltage for Drift
As Per Condition After 5sec
Elapsed with SW ON
Input/Output Related (Logic Table)
Input
Output
Remarks
(Tuning Status)
Pin3
Pin4
Pin1
Pin2
Pin7
Pin8
L
L
VCC
Open
Open
L
UHF
H
L
Open
VCC
Open
Open
VHF–L
L
H
Open
Open
VCC
L
VHF–H
H
H
Open
Open
VCC
Open
–
Pin Connection Diagram
(Front View)
9 VCC
8 Output 4
7 Output 3
6 31.5V Supply Voltage
5 GND
4 Input 2
3 Input 1
2 Output 2
1 Output 1
.929 (23.6)
.118 (3.0)
.236
(6.0)
1
9
.098
(2.5)
.100 (2.54)
.118(3.0)
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