NTE1688 Datasheet, PDF (1/2 Pages) NTE Electronics – Integrated Circuit TV Tuner Bandswitch

NTE1688
Integrated Circuit
TV Tuner Bandswitch
Description:
The NTE1688 is an integrated circuit in a 9–Lead SIP type package incorporating TV tuner band-
switch circuits and a 31V power supply circuit.
Features:
D Tuner Bandswitch Circuit with 31V Voltage Regulator
Absolute Maximum Ratings: (T_A = +25°C unless otherwise specified)
Supply Voltage, V_CC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18V
Supply Current, I₆ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14mA
Power Dissipation, P_D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 620mW
Operating Ambient Temperature Range, T_opr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +70°C
Storage Temperatuere Range, T_stg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +150°C
Electrical Characteristics: (T_A = +25°C unless otherwise specified)
Parameter
Symbol
Test Conditions
Input Threshold Voltage
Input Threshold Current
Output Saturation Voltage
V_t
I_t
V_CE(sat)
V_CC = 12V
V_CC = 12V
V_CC = 12V, I₀ = –60mA
Pin8 Output Saturation Voltage
Voltage Regulator
Voltage Regulator with Ambient Temperature
Voltage Regulator Voltage for Drift
V_CE(sat)
V_6–5
V_6–5/T_A
∆V_6–5
V_CC = 12V, I₈ = 20mA
V_CC = 12V, I₆ = 10mA
T_A = –20° to +60°C
As Per Condition After 5sec
Elapsed with SW ON
Min Typ Max Unit
1.5 – 2.5 V
100 – 500 µA
– 0.3 0.8 V
– 0.2 0.5 V
29.5 31.7 33.5 V
–1.0 0 +1.0 mV/°C
–
– ±50 mV
Input/Output Related (Logic Table)
Input
Pin3
Pin4
Pin1
L
L
V_CC
H
L
Open
L
H
Open
H
H
Open
Output
Pin2
Pin7
Open
Open
V_CC
Open
Open
Open
V_CC
V_CC
Pin8
L
Open
L
Open
Remarks
(Tuning Status)
UHF
VHF–L
VHF–H
–