(China (Mainland))
Product Summary
The LMH1251MT 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. It has a SYNC separator and processor that is capable of extracting sync timing information from both Standard Definition Television (SDTV) and High Definition Television (HDTV) inputs. It provides bi-level sync, and tri-level sync separation.
Parametrics
Absolute maximum ratings: (1)Supply Voltage VCC, Pins 7 and 17: 5.5V; (2)Voltage at any Input Pin (VIN) VCC .0.5 ≥ VIN ≥ 0V; (3)Video Inputs (pk-pk): 0.0V ≤ VIN ≤ 1.2V; (4)Thermal Resistance to Ambient (θJA): 110℃/W; (5)Thermal Resistance to Case (θJC): 25℃/W; (6)Junction Temperature (TJ): +150℃; (7)Storage Temperature Range: -65℃ to +150℃; (8)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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 LMH1251MT |
National Semiconductor (TI) |
Video ICs |
Data Sheet |
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LMH1251MT/NOPB |
National Semiconductor (TI) |
Video ICs |
Data Sheet |
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LMH1251MTX/NOPB |
National Semiconductor (TI) |
Video ICs |
Data Sheet |
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LMH1251MTX |
National Semiconductor (TI) |
Video ICs |
Data Sheet |
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