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LMH1980MMX PDF预览

LMH1980MMX

更新时间: 2024-11-21 04:19:59
品牌 Logo 应用领域
美国国家半导体 - NSC 信号分离器集成电路消费电路商用集成电路光电二极管PC
页数 文件大小 规格书
14页 746K
描述
Auto-Detecting SD/HD/PC Video Sync Separator

LMH1980MMX 技术参数

是否Rohs认证: 不符合生命周期:Transferred
包装说明:MSOP-10Reach Compliance Code:not_compliant
风险等级:5.11商用集成电路类型:SYNC SEPARATOR IC
JESD-30 代码:S-PDSO-G10JESD-609代码:e0
长度:3 mm湿度敏感等级:1
功能数量:1端子数量:10
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:TSSOP
封装等效代码:TSSOP10,.19,20封装形状:SQUARE
封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH电源:3.3/5 V
认证状态:Not Qualified座面最大高度:1.09 mm
子类别:Other Consumer ICs最大压摆率:14 mA
最大供电电压 (Vsup):5 V最小供电电压 (Vsup):3.3 V
表面贴装:YES温度等级:INDUSTRIAL
端子面层:Tin/Lead (Sn85Pb15)端子形式:GULL WING
端子节距:0.5 mm端子位置:DUAL
宽度:3 mmBase Number Matches:1

LMH1980MMX 数据手册

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July 2007  
LMH1980  
Auto-Detecting SD/HD/PC Video Sync Separator  
General Description  
Features  
The LMH1980 is an auto-detecting SD/HD/PC video sync  
separator ideal for use in a wide range of video applications,  
such as automotive LCD monitors, video capture & editing  
devices, surveillance & security equipment, and machine vi-  
sion and inspection systems.  
Analog video sync separation for NTSC, PAL, 480I/P,  
576I/P, 720P, 1080I/P/PsF, and many VESA-compatible  
timing formats  
Composite Video (CVBS), S-Video (Y/C), and Component  
Video (YPBPR/GBR) and PC Graphics (RGsB) interfaces  
The LMH1980 accepts an analog video input signal with ei-  
ther bi-level or tri-level sync and automatically detects the  
video format, eliminating the need for external RSET resistor  
adjustment required by other sync separators (e.g.: LM1881).  
The outputs provide timing signals in CMOS logic, including  
Composite, Horizontal, and Vertical Syncs, Burst/Back Porch  
Timing, and Odd/Even Field outputs. The HD flag output (pin  
5) provides a logic low signal only when a valid HD video input  
with tri-level sync is detected. The HD flag can be used to  
disable an external switch-controlled SD chroma filter when  
HD video is detected, or enable it when SD video is detected.  
For non-standard video with bi-level sync and without vertical  
serration pulses, a default vertical sync pulse will be output  
and no horizontal sync pulses will be output during the vertical  
sync interval.  
SD/PC Bi-level sync & HD tri-level sync compatible  
Composite, Horizontal, and Vertical Sync outputs  
Burst/Back Porch Timing, Odd/Even Field, and HD Detect  
Flag outputs  
Automatic video format detection  
Fixed-level sync slicing for video inputs from 0.5 to 2 VPP  
3.3V to 5V supply operation  
Applications  
Consumer, Professional, Automotive & Industrial Video  
Video Capture, Editing, and Processing  
Genlock Circuits  
Surveillance & Security Video Systems  
The LMH1980 is available in a space-saving 10-ld. Mini-SO  
Package (MSOP) and operates over a temperature range of  
−40°C to +85°C.  
Set-Top Boxes (STB) & Digital Video Recorders (DVR)  
LCD / Plasma Displays and Video Projectors  
Machine Vision and Inspection Systems  
Video Trigger Oscilloscopes and Waveform Monitors  
Connection Diagram  
Pin Descriptions  
Pin No.  
Pin Name Pin Description  
10-ld. MSOP  
1
2
REXT  
Bias Current External Resistor  
GND  
Ground  
3
VCC  
Supply Voltage  
4
VIN  
Analog Video Input  
HD Detect Flag Output  
Horizontal Sync Output  
Vertical Sync Output  
Composite Sync Output  
Burst/Back Porch Timing Output  
Odd/Even Field Output  
5
HD  
6
HSOUT  
VSOUT  
CSOUT  
BPOUT  
OEOUT  
7
8
30010301  
Top View  
9
10  
FIGURE 1. Pinout  
Ordering Information  
Package  
Part Number  
LMH1980MM  
LMH1980MMX  
Package Marking  
AL4A  
Transport Media  
1k Units Tape and Reel  
3.5k Units Tape and Reel  
NSC Drawing  
10-ld. MSOP  
MUB10A  
© 2007 National Semiconductor Corporation  
300103  
www.national.com  

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