LM1283N National Semiconductor, LM1283N Datasheet - Page 9

• Manufacturer Part Number: LM1283N
• Description: IC AMP RGB VIDEO SYSTEM 28-DIP
• Manufacturer: National Semiconductor

Specifications of LM1283N

• Applications: General Purpose
• Number Of Circuits: 3
• -3db Bandwidth: 140MHz
• Current - Supply: 85mA
• Current - Output / Channel: 28mA
• Voltage - Supply, Single/dual (±): 11.4 V ~ 12.6 V
• Mounting Type: Through Hole
• Package / Case: 28-DIP (0.600", 15.24mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: *LM1283N

Pin No.
Test Circuits
*
or these signals are present any time when +12V is not fully powered up, then the OSD inputs also require a series 33
Pin Descriptions
Note: All video inputs must have a series 33
1
2
3
4
Red OSD Input
Green OSD Input
Blue OSD Input
Video/OSD Switch
Pin Name
(Continued)
FIGURE 7. LM1283 OSD Video Preamp Demonstration Board Schematic
resistor for protection against EOS (Electrical Over Stress). If the OSD input signals are external to the monitor,
Schematic
9
These inputs accept standard TTL inputs. Each
color is either fully on (logic high) or fully off
(logic low). Connect unused pins to ground
with a 47k resistor.
This input accepts a standard TTL input.
Connect to ground with a 47k resistor when
not using OSD.
H = OSD
L = Video
resistor.
Description
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DS012684-12