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PDF NTE7048 Data sheet ( Hoja de datos )
| Número de pieza | NTE7048 | |
| Descripción | Integrated Circuit NTSC Decoder w/Fast RGB Blanking | |
| Fabricantes | NTE Electronics | |
| Logotipo |  |
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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–Lead
DIP type package. Furthermore, it contains a luminance amplifier, an RGB–matrix and amplifier.
These amplifiers supply output signals up to 5VP–P (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), VP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13.2V
Total Power Dissipation, Ptot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1700mW
Operating Ambient Temperature Range, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –25° to +65°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +150°C
Thermal Resistance, Junction–to–Ambient, RthJA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50K/W
Electrical Characteristics: (TA = +25°C, VP = 12V, All voltages referenced to Pin19, unless
otherwise specified)
Parameter
Symbol Test Conditions Min Typ Max Unit
Supply (Pin1)
Supply Voltage
VP 10.8 12.0 13.2 V
Supply Current
IP – 90 – mA
Total Power Dissipation
Luminance Amplifier (Pin8)
Ptot
– 1.08 – W
Input Voltage (Peak–to–Peak Value)
Input Level before Clipping
Input Current
V8(P–P)
V8
I8
Note 1
– 450 – mV
– – 1.0 V
– 0.15 1.0 µA
Contrast Control Range
– –17 to +3 – dB
Input Current Contrast Control
I6 V6 < 6V
V6 = 2.5V, Note 2
– 0.5 15.0 µA
3 7 – mA
Note 1. Signal with negative going sync; amplitude includes sync. pulse amplitude.
Note 2. Peak white limiter active.
1 page  
Pin Connection Diagram
Supply Voltage 1
Peak Detector Gain Control Input 2
Chrominance Input 3
ACC Control Input 4
Saturation Control Input 5
Contrast Control Input 6
Sandcastle Input 7
Luminance Input 8
Brightness Control Input 9
Setting of Luminance Overshoot Level 10
20 Bias Capacitor Input
19 GND
18 OSC Frequency Input
17 Hue Control Input
16 Phase Detection Network
15 Control Input (DC) for Luminance Overshoot
14 Blue Output
13 Green Output
12 Red Output
11 Fast Blanking Input
20 11
.280 (7.12) Max
1 10
.995 (25.3) Max
.280
(7.1)
.300
(7.62)
.100 (2.54) .125 (3.17) Min
.385 (9.8)
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet NTE7048.PDF ] | |
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