(China (Mainland))
Product Summary
The LMH1251 is a wideband 2:1 analog video switch with an integrated YPBPR to RGB decoder. The device accepts one set of YPBPR inputs and one set of RGB/HSYNC/VSYNC inputs. Based on the input selected, the output will be either a decoded TV or buffered PC video signal.
Parametrics
Absolute maximum ratings: (1)Susceptibility: 4.0 kV; (2)Machine Model: 400V; (3)Supply Voltage VCC, Pins 7 and 17: 5.5V; (4)Voltage at any Input Pin (VIN) VCC: -0.5 ≥ VIN ≥ 0V; (5)Video Inputs (pk-pk): 0.0V ≤ VIN ≤ 1.2V; (6)Thermal Resistance to Ambient (θJA): 110℃/W; (7)Thermal Resistance to Case (θJC): 25℃/W; (8)Junction Temperature (TJ): +150℃; (9)Storage Temperature Range: -65℃ to +150℃; (10)Lead Temperature (soldering 10 sec.): 265℃.
Features
Features: (1)YPBPR to RGB decoding; (2)YPBPR path: 70 MHz, .3 dB, 700 mVPP bandwidth; (3)RGB path: 400 MHz, .3 dB, 700 mVPP bandwidth; (4)Supports PC video display resolutions up to UXGA (1600 x 1200 @ 75 Hz); (5)Supports 480i, 480p, 576i, 576p, 720p, 1080i, and 1080p; (6)Smart video format detection for SD and HD; (7)Power save mode.
Diagrams
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 LMH1251 |
Other |
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Data Sheet |
Negotiable |
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LMH1251EVAL |
National Semiconductor |
BOARD EVALUATION LMH1251 |
Data Sheet |
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LMH1251EVAL/NOPB |
National Semiconductor (TI) |
Video IC Development Tools LMH1251 EVAL BOARD |
Data Sheet |
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LMH1251MT/NOPB |
National Semiconductor (TI) |
Video ICs |
Data Sheet |
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LMH1251MT |
National Semiconductor (TI) |
Video ICs |
Data Sheet |
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LMH1251MTX |
National Semiconductor (TI) |
Video ICs |
Data Sheet |
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LMH1251MTX/NOPB |
National Semiconductor (TI) |
Video ICs |
Data Sheet |
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