NTE1402
Integtrated Circuit
Electronic Channel Selector
Description
The NTE1402 is an integrated circuit in a 24Lead 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, UPDOWN Counter and Decoder Circuit
D
Remote Control Electronic Channel Selection Available (UPDOWN Bidirectional)
D
Clock Oscillation Frequency Variable by External Components : 0.7 to 2.5KH
Z
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
Absolute Maximum Ratings: (T
A
= +25
C unless otherwise specified)
Supply Voltage, V
CC
7.2V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Circuit Voltage
V
K12
0.5 to 50V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
V
1312
0.5 to 14.4V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
V
1412
, V
1712
0.5 to 8V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Circuit Current
I
K
5 to 30mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
I
13
5 to 25mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
I
14
5 to 100mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
I
15
, I
16
, I
17
, I
18
, I
19
5 to 10mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Dissipation (T
A
= +75
C), P
D
600mW
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Ambient Temperature Range, T
opr
20
to +75
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature Range, T
stg
40
to +150
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Characteristics: (T
A
= +25
C unless otherwise specified)
Parameter
Symbol
Condition
Min
Typ
Max Unit
Output Saturation Voltage (Tuning)
V
OL(K)
V
CC
= 4.8V, I
OL
= 5mA
0.15
V
Output Leak Current (Tuning)
I
OH(K)
V
CC
= 7.2V, V
OH
= 35V
5
A
Output On Voltage (DEF)
V
OL(D)
V
CC
= 4.8V, I
OL
= 12mA
6
V
Output Leak Current (DEF)
I
OH(D)
V
CC
= 7.2V, V
OH
= 14.4V
5
A
Input Current Low Level (CHD, CHU)
I
IL(CH)
V
CC
= 7.2V, V
IL
= 0V
5
A
Input Current High Level (CHD, CHU)
I
IH(CH)
V
CC
= 4.8V, Note 2
50
A
Input Current Low Level (KIN)
I
IL(KI)
V
CC
= 7.2V, V
IL
= 0V
10
A
Input Current High Level (KIN)
I
IH(KI)
V
CC
= 4.8V, Note 3
200
A
Input Current Low Level (SKP)
I
IL(SK)
V
CC
= 7.2V, V
IL
= 0V
5
A
Input Current High Level (SKP)
I
IH(SK)
V
CC
= 4.8V, Note 4
50
A
Input Current Low Level (OSC)
I
IL(OS)
V
CC
= 7.2V, V
IL
= 1.0V
5
A
Input Current High Level (OSC)
I
IH(OS)
V
CC
= 4.8V, V
IH
= 4V
1.5
3.0
mA
Oscillation Frequency (Clock)
f
OSC
V
CC
= 6V
1.5
2.0
2.5
kH
Z
Total Circuit Current
I
tot
V
CC
= 6V
52
66
80
mA
Note 1. Operating supply voltage range is V
CC
(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)
V
CC
Pin Connection Diagram
1
2
3
4
Channel Selection Output (11)
Channel Selection Output (10)
Channel Selection Output (9)
Channel Selection Output (8)
5
Channel Selection Output (7)
6
Channel Selection Output (6)
7
Channel Selection Output (5)
8
Channel Selection Output (4)
24
23
22
21
Channel Selection Output (12)
Channel Selection Output (13)
Channel Selection Output (14)
Channel Selection Output (15)
20
Channel Selection Output (16)
19
Skip Input
18
Key Input
17
OSC Filter
9
Channel Selection Output (3)
16
Channel Up Input
10
Channel Selection Output (2)
11
Channel Selection Output (1)
15
Channel Down Input
14
12
GND
13
AFT Defeat Input
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