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The LMH™1251 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. The LMH1251 has a SYNC separator and processor that is capable of extracting sync timing.
YPBPR to RGB decoding YPBPR path: 70 MHz, −3 dB, 700 mVPP bandwidth RGB path: 400 MHz, −3 dB, 700 mVPP bandwidth Supports PC video display resolutions up to UXGA (1600 x 1200 @ 75 Hz) n Supports 480i, 480p, 576i, 576p, 720p, 1080i, and 1080p n Smart video format detection for SD and HD n Power save mode n n n n Applications n n n n TFT LCD monitor CRT monitor Set-top box Display projector Connection Diagram 24-Pin TSSOP 20151927 Top View LMH™ is a trademark of National Semiconductor Corporation. © 2005 National Semiconductor Corporation DS201519 www.national.com LMH1251 Truth Table T.
LMH1251 - Texas Instruments
The LMH1251 is a wideband 2:1 analog video switch with an integrated YPBPR to RGBHV converter. The device accepts one se.
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| 7 | LMH1981 |
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