NTE1835
Integrated Circuit
Interface for Character and Pattern
Description:
The NTE1835 is an integrated circuit designed for interface of decoder outputs or of external analog
input signal in teletext system with the color output.
Features:
D
Provides Analog Signal Processing for Character Signal Input
D
High Speed Switching:
Rise and Fall Time: 35ns
Delay time: 20ns
D
Including DC Controller of Brightness, Contrast, R鈥揂djustment and B鈥揂djustment for Character
Signal Input
D
Y Amplifier Linear Area鈥檚 Bottom: 2.0V
Absolute Maximum Ratings:
(T
A
= +25擄C unless otherwise specified)
Supply Voltage, V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14.4V
Circuit Voltage
V
1鈥?3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0/14.4V
V
3,6,7,8,9鈥?3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0/V
1鈥?3
鈥?V
V
11鈥?3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2/(V
1
鈥?3)鈥?
V
15,18,21鈥?3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0/(V
1鈥?3
)V
Circuit Current
I
10, 14, 17, 20
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?0/10mA
I
16,19,22
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?/3mA
Power Dissipation (T
A
= +70擄C), P
D
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1040mW
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:
(T
A
= +25擄C, V
CC
= 12V unless otherwise specified)
Parameter
Total Circuit Current
Circuit Voltage
Symbol
I
tot
V
10,14,
17,20鈥?3
Test Conditions
V
CC
= 12V
V
CC
= 12V
Min
32
7.7
3.0
Typ
47
8.0
3.5
Max
62
8.3
4.0
Unit
mA
V
V
V
16,19,
22鈥?3
1
2
3
