NTE1593 查看數據表（PDF） - NTE Electronics
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NTE1593 Datasheet PDF : 2 Pages
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NTE1593
Integrated Circuit
Colot TV VIR Processor
Description:
The NTE1593 is designed for automatic adjustment of the color saturation and tint of color television
receiver.
Functions:
D Identification of line 19 and the detection of the presence of a VIR signal
D The development of dc color−controlling voltage by processing the VIR portion of the receiv-
er’s simulated blue drive signal
D The development of dc tint controlling voltage by processing the VIR portion of the receiver’s
demodulated R−Y signal
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14.4V
LED Drive Current, ILED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20mA
Power Dissipation (TA = +65°C), PT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 600mW
Operating Temperature Range, Topt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −10° to +65°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −55° to +125°C
Electrical Characteristics: (TA = +25°C, VCC = 12V unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Current Drive
ICC LED OFF
− 21 35 mA
Output Voltage of
Color Control Stage
V5H VIR: ON
V5L
High Level
Low Level
10 11.2 − V
− 0.5 1.0 V
V5H VIR: OFF, Manual High Level
− 10.7 − V
V5L
Low Level
− 0 −V
Output Voltage of
Tint Control Stage
V6H VIR: ON
V6L
High Level
Low Level
10 11.4 − V
− 0.3 1.0 V
V6H VIR: OFF, Manual High Level
− 10.7 − V
V6L
Low evel
− 0 −V
Differential Voltage Gain of
Color Control Stage
Differential Voltage Gain of
Tint Control Stage
GVD1
GVD2
VIR: ON
RL = 10kΩ
Input: Pin 3 to Pin 4 − 40 − dB
Output: Pin 5
Input: Pin 4 to Pin 9 − 3.4 − dB
Output: Pin 6
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