NTE7048
Integrated Circuit
NTSC Decoder
w
/Fast RGB Blanking
Description:
The NTE7048 is a monolithic integrated decoder for the NTSC color television standard. This device
combines all functions required for the identification and demodulation of NTSC signals ina 20鈥揕ead
DIP type package. Furthermore, it contains a luminance amplifier, an RGB鈥搈atrix and amplifier.
These amplifiers supply output signals up to 5V
P鈥揚(yáng)
(Picture information) enabling direct drive of dis-
crete output stages.
Features:
D
Automatic Chrominance Leveling (Avoids Saturation at the Chrominance Input)
D
Peaking Circuit with DC Control
D
Fast RGB Output Blanking
Absolute Maximum Ratings:
Supply Voltage (Pin1), V
P
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13.2V
Total Power Dissipation, P
tot
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1700mW
Operating Ambient Temperature Range, T
A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?5擄 to +65擄C
Storage Temperature Range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?5擄 to +150擄C
Thermal Resistance, Junction鈥搕o鈥揂mbient, R
thJA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50K/W
Electrical Characteristics:
(T
A
= +25擄C, V
P
= 12V, All voltages referenced to Pin19, unless
otherwise specified)
Parameter
Supply
(Pin1)
Supply Voltage
Supply Current
Total Power Dissipation
Luminance Amplifier
(Pin8)
Input Voltage (Peak鈥搕o鈥揚(yáng)eak Value)
Input Level before Clipping
Input Current
Contrast Control Range
Input Current Contrast Control
I
6
V
6
< 6V
V
6
= 2.5V, Note 2
V
8(P鈥揚(yáng))
V
8
I
8
Note 1
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
3
450
鈥?/div>
0.15
鈥?7 to +3
0.5
7
鈥?/div>
1.0
1.0
鈥?/div>
15.0
鈥?/div>
mV
V
碌A(chǔ)
dB
碌A(chǔ)
mA
V
P
I
P
P
tot
10.8
鈥?/div>
鈥?/div>
12.0
90
1.08
13.2
鈥?/div>
鈥?/div>
V
mA
W
Symbol
Test Conditions
Min
Typ
Max
Unit
Note 1. Signal with negative going sync; amplitude includes sync. pulse amplitude.
Note 2. Peak white limiter active.
NTE7048 產(chǎn)品屬性
NTE
置換半導(dǎo)體
否
1
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