NTE1812
Integrated Circuit
Capstan Interface Circuit for VCR
Description:
The NTE1812 is an integrated circuit in a 20鈥揕ead DIP type package designed for VCR capstan interface.
Features:
D
The Functions Consist of:
FG Amplifier
2H/4H/6H Automatic Detector
FG Divider
Gain Automatic Change Circuit
D
Supply Voltage: 5V
Absolute Maximum Ratings:
(T
A
= +25擄C unless otherwise specified)
Supply Voltage, V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.0V
Power dissipation (T
A
= +70擄C), P
D
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100mW
Operating Ambient Temperature Range, T
opr
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?0擄 to +70擄C
Storage Temperature Range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?5擄 to +150擄C
Electrical Characteristics:
(V
CC
= 5V, T
A
= +25擄C
鹵2擄C
unless otherwise specified)
Parameter
Circuit Current
FG Amp Input Sensitivity
FG High鈥揕evel Frequency Dividing Output
FG Low鈥揕evel Frequency Dividing Output
A/B High鈥揕evel Output
A/B Low鈥揕evel Output
Playback CTL Input Sensitivity
Mode Select Sensitivity
Record/Playback PAL/MTSCX 1/2, C, A, B
OP Amp. 3 High鈥揕evel Output
OP Amp. 3 Low鈥揕evel Output
Total Offset OP. Amp. NTSC 2H
Total Offset OP. Amp NTSC 6H
OP. Amp. 2 Gain
Symbol
I
18
S
19
V
OH17
V
O17
V
OHA, B
V
OLA, B
S
16
S
(MODE)
V
OH11
V
OL11
V
O(offset)2
V
O(offset)6
G
V2
鈥揑 = 2mA
Test Conditions
V
REF
= 2.5V
Min
7
30
4.6
鈥?/div>
3.3
鈥?/div>
3.0
3.0
3.8
鈥?/div>
鈥?/div>
鈥?/div>
鈥?
Typ
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Max
14
鈥?/div>
鈥?/div>
4.0
鈥?/div>
0.4
鈥?/div>
鈥?/div>
鈥?/div>
1.1
30
30
+2
Unit
mA
mV
V
V
V
V
V
V
V
V
mV
mV
dB
Note 1. Operating Supply Range V
CC(opr)
= 4.5V to 5.5V
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