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LM1203 RGB Video Amplifier System DIP-28W

120.00 EGP

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Availability: In Stock
SKU:3496300083909
General Description

The LM1203 is a wideband video amplifier system intended for high-resolution RGB color monitor applications. In addition to three matched video amplifiers, the LM1203 contains three gated differential input black-level clamp comparators for brightness control and three matched attenuator circuits for contrast control. Each video amplifier contains a gain set or ‘‘Drive’’ node for setting maximum system gain (Av e 4 to 10) as well as providing trim capability. The LM1203 also contains a voltage reference for the video inputs. For high-resolution monochrome monitor applications see the LM1201 Video Amplifier System datasheet.

LM1203 Pinout
LM1203 Pin Configuration
Pin No Pin Name Description
1 VCC 1 Voltage Supply Pin 1
2 CONTRAST CAP Contrast Cap Pin
3 CONTRAST CAP Contrast Cap Pin
4 R VIDEO IN R Video Input Pin
5 R CLAMP CAP R Clamp Cap Pin
6 G VIDEO IN G Video Input Pin
7 GND Ground Pin
8 G CLAMP CAP G Clamp Cap Pin
9 B VIDEO IN B Video Input Pin
10 B CLAMP CAP B Clamp Cap Pin
11 VREF Reference Voltage Pin
12 CONTRAST Contrast Pin
13 VCC 1 Voltage Supply Pin 1
14 CLAMP GATE Clamp Gate Pin
15 B CLAMP + B Clamp Positive Pin
16 B VIDEO OUT B Video-Output Pin
17 B CLAMP – B Clamp Negative Pin
18 B DRIVE B Drive Pin
19 G CLAMP + G Clamp Positive Pin
20 G VIDEO OUT G Video Output Pin
21 G CLAMP – G Clamp Negative Pin
22 G DRIVE G Drive Pin
23 VCC 2 Voltage Supply Pin 2
24 R CLAMP + R Clamp Positive Pin
25 R VIDEO OUT R Video Output Pin
26 R CLAMP – R Clamp Negative Pin
27 R DRIVE R Drive Pin
28 VCC 2 Voltage Supply Pin 2
Features
  • Three wideband video amplifiers (70 MHz @ b3dB)
  • Inherently matched (g0.1 dB or 1.2%) attenuators for contrast control
  • Three externally gated comparators for brightness control
  • Provisions for independent gain control (Drive) of each video amplifier
  • Video input voltage reference
  • Low-impedance output driver

Applications
  • CRT video amplifiers
  • Video switches
  • High-frequency video pre-amplifiers
  • Wideband gain controls
  • PC monitors
  • Workstation
LM1203 Datasheet

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