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鈥搈atrix and amplifier. These amplifiers supply output signals up to 5V peak鈥搕o鈥?/div>
peak (picture information) enabling direct drive of the discrete output stages.
Absolute Maximum Ratings:
Maximum Supply Voltage (Pin1), V
P
= V
1鈥?3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13.2V
Maximum Total Power Disipation, P
tot
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.7W
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:
(V
P
= V
1鈥?3
= 12V, T
A
= +25擄C unless otherwise specified)
Parameter
Supply
(Pin1)
Supply Voltage
Supply Current
Total Power Dissipation
Luminance Amplifier
(Pin9)
Input Voltage (Peak鈥搕o鈥揚(yáng)eak Value, Note 1)
Input Level Before Clipping
Input Current
Contrast Control Range
Control Voltage for an Attenuation of 40dB
Input Current Contrast Control
Peaking of Luminance Signal
Output Impedance (Pin10)
Ratio of Internal/External Current when Pin10 is Short鈥揅ircuited
Control Voltage for Peaking Adjustment (Pin11)
Input Impedance (Pin11)
V
11鈥?3
|Z
11鈥?3
|
|Z
10鈥?3
|
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
200
3
2.4
10
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
V
k鈩?/div>
鈩?/div>
I
7
V
9鈥?3(p鈥損)
V
9鈥?3
I
9
鈥?/div>
鈥?/div>
鈥?/div>
鈥?7
鈥?/div>
鈥?/div>
450
鈥?/div>
0.15
鈥?/div>
1.2
鈥?/div>
鈥?/div>
2
1.0
+3
鈥?/div>
15
mV
V
碌A(chǔ)
dB
V
碌A(chǔ)
V
P
= V
1鈥?3
I
P
= I
1
P
tot
8.0
鈥?/div>
鈥?/div>
12.0
85
1.0
13.2
鈥?/div>
鈥?/div>
V
mA
W
Symbol
Min
Typ
Max
Unit
Note 1. Signal with the negative鈥揼oing sync; amplitude includes sync amplitude.
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