LM1881 - 视频同步分离器

LM1881是TI德州仪器公司的一款视频定时产品，LM1881是视频同步分离器，本站介绍了LM1881的封装应用图解、特点和优点、功能等，并给出了与LM1881相关的TI元器件型号供参考。

LM1881 - 视频同步分离器 - 视频定时 - 视频：广播和专业 - 德州仪器

产品特性

AC Coupled Composite Input Signal
>10-kΩ Input Resistance
<10-mA Power Supply Drain Current
Composite Sync and Vertical Outputs
Odd and Even Field Output
Burst Gate or Back Porch Output
Horizontal Scan Rates to 150 kHz
Edge Triggered Vertical Output
Default Triggered Vertical Output for Non-Standard Video Signal (Video Games-Home Computers)

产品应用

Video Cameras and Recorders
Broadcasting Systems
Set-Top Boxes
Home Entertainment
Computing and Gaming Applications

产品说明

The LM1881 Video sync separator extracts timing information including composite and vertical sync, burst or back porch timing, and odd and even field information from standard negative going sync NTSC, PAL PAL in this datasheet refers to European broadcast TV standard “Phase Alternating Line”, and not to Programmable Array Logic. and SECAM video signals with amplitude from 0.5-V to 2-V p-p. The integrated circuit is also capable of providing sync separation for non-standard, faster horizontal rate video signals. The vertical output is produced on the rising edge of the first serration in the vertical sync period. A default vertical output is produced after a time delay if the rising edge mentioned above does not occur within the externally set delay period, such as might be the case for a non-standard video signal.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
LM1881	SOIC (8)	4.90 mm × 3.91 mm
LM1881	PDIP (8)	9.81 mm × 6.35 mm

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