NTE NTE1402 Datasheet
NTE1402
Integtrated Circuit
Electronic Channel Selector
Description
The NTE1402 is an integrated circuit in a 24–Lead DIP type package designed for electronic tuner
by the preset volume method.
Features
D Simplifies Selection Circuit up to 16 Channels
D Incorporating Clock Oscillator, Input Control, UP–DOWN Counter and Decoder Circuit
D Remote Control Electronic Channel Selection Available (UP–DOWN Bidirectional)
D Clock Oscillation Frequency Variable by External Components : 0.7 to 2.5KH
D AFC Defeat Pulse Output Terminal
D Initial Channel at the Time of Power ON can be Set at Any Channel by the Adjustment of
External Components
D Jump Over Channel Selection Available
D Selection Output Terminal Voltage: 40V
Z
Absolute Maximum Ratings:
Supply Voltage, V
CC
(TA = +25°C unless otherwise specified)
Circuit Voltage
V
K–12
V
13–12
V
14–12
, V
17–12
Circuit Current
I
K
I
13
I
14
, I16, I17, I18, I
I
15
Power Dissipation (T
19
= +75°C), P
A
D
Operating Ambient Temperature Range, T
Storage Temperature Range, T
stg
opr
7.2V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–0.5 to 50V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–0.5 to 14.4V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–0.5 to 8V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–5 to 30mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–5 to 25mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–5 to 100mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–5 to 10mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
600mW. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–20° to +75°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–40° to +150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Characteristics: (TA = +25°C unless otherwise specified)
Parameter Symbol Condition Min Typ Max Unit
Output Saturation Voltage (Tuning) V
Output Leak Current (Tuning) I
Output On Voltage (DEF) V
Output Leak Current (DEF) I
Input Current Low Level (CHD, CHU) I
Input Current High Level (CHD, CHU) I
Input Current Low Level (KIN) I
Input Current High Level (KIN) I
Input Current Low Level (SKP) I
Input Current High Level (SKP) I
Input Current Low Level (OSC) I
Input Current High Level (OSC) I
Oscillation Frequency (Clock) f
Total Circuit Current I
IH(CH)
IH(SK)
IH(OS)
OL(K)
OH(K)
OL(D)VCC
OH(D)
IL(CH)
IL(KI)
IH(KI)
IL(SK)
IL(OS)
OSC
tot
VCC = 4.8V, IOL = 5mA – – 0.15 V
VCC = 7.2V, VOH = 35V – – 5 µA
= 4.8V, IOL = 12mA – – 6 V
VCC = 7.2V, VOH = 14.4V – – 5 µA
VCC = 7.2V, VIL = 0V –5 – – µA
VCC = 4.8V, Note 2 50 – – µA
VCC = 7.2V, VIL = 0V –10 – – µA
VCC = 4.8V, Note 3 200 – – µA
VCC = 7.2V, VIL = 0V –5 – – µA
VCC = 4.8V, Note 4 50 – – µA
VCC = 7.2V, VIL = 1.0V – – 5 µA
VCC = 4.8V, VIH = 4V 1.5 – 3.0 mA
VCC = 6V 1.5 2.0 2.5 kH
VCC = 6V 52 66 80 mA
Note 1. Operating supply voltage range is VCC (opr) = 4.8V to 7.2V.
Note 2. DEF Pin13 shall be “L” level (3.0V or more)
Note 3. DEF Pin13 shall be “L” level (1.0V or less)
Note 4. DEF Pin13 shall be “H” level (3.0V or more)
Z
Pin Connection Diagram
Channel Selection Output (11)
Channel Selection Output (10)
Channel Selection Output (9)
Channel Selection Output (8)
Channel Selection Output (7)
1
2
3
4
5
6Channel Selection Output (6)
7Channel Selection Output (5)
8Channel Selection Output (4)
Channel Selection Output (12)
24
Channel Selection Output (13)
23
Channel Selection Output (14)
22
21
Channel Selection Output (15)
20
Channel Selection Output (16)
19 Skip Input
18 Key Input
17 OSC Filter
9Channel Selection Output (3) 16 Channel Up Input
10Channel Selection Output (2)
11Channel Selection Output (1)
15 Channel Down Input
14
V
CC
12GND 13 AFT Defeat Input
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