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參數(shù)資料
| 型號(hào)： | NTE1890 |
| 廠商： | NTE Electronics, Inc. |
| 英文描述： | Quadruple Operational Amplifier 14-PDIP 0 to 70 |
| 中文描述： | 集成電路NTSC制式的電視解碼器 |
| 文件頁(yè)數(shù)： | 1/6頁(yè) |
| 文件大小： | 43K |
| 代理商： | NTE1890 |
NTE1890
Integrated Circuit
NTSC Decoder for TV
Description:
The NTE1890 is a monolithic integrated decoder for the NTSC color television standards. It combines
all functions required for the demodulation of NTSC signals. Further more it contains a luminance
amplifier, an RGB–matrix and amplifier. These amplifiers supply output signals up to 5V peak–to–
peak (picture information) enabling direct drive of the discrete output stages.
Absolute Maximum Ratings:
Maximum Supply Voltage (Pin1), V
P
= V
1–23
Maximum Total Power Disipation, P
tot
Operating Ambient Temperature Range, T
A
Storage Temperature Range, T
stg
Thermal Resistance, Junction–to–Ambient, R
thJA
13.2V
1.7W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–25
°
to +65
°
C
–25
°
to +150
°
C
50K/W
Electrical Characteristics:
(V
P
= V
1–23
= 12V, T
A
= +25
°
C unless otherwise specified)
Parameter
Symbol
Min
Typ
Max
Unit
Supply
(Pin1)
Supply Voltage
V
P
= V
1–23
I
P
= I
1
P
tot
8.0
12.0
13.2
V
Supply Current
–
85
–
mA
Total Power Dissipation
–
1.0
–
W
Luminance Amplifier
(Pin9)
Input Voltage (Peak–to–Peak Value, Note 1)
V
9–23(p–p)
V
9–23
I
9
–
450
–
mV
Input Level Before Clipping
–
–
2
V
μ
A
dB
Input Current
–
0.15
1.0
Contrast Control Range
–17
–
+3
Control Voltage for an Attenuation of 40dB
–
1.2
–
V
μ
A
Input Current Contrast Control
I
7
–
–
15
Peaking of Luminance Signal
Output Impedance (Pin10)
|Z
10–23
|
–
200
–
Ratio of Internal/External Current when Pin10 is Short–Circuited
–
3
–
Control Voltage for Peaking Adjustment (Pin11)
V
11–23
|Z
11–23
|
–
2.4
–
V
k
Input Impedance (Pin11)
–
10
–
Note 1. Signal with the negative–going sync; amplitude includes sync amplitude.
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