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TPF1441-SR PDF预览

TPF1441-SR

更新时间： 2024-11-06 02:51:47
品牌 Logo 应用领域
思瑞浦 - 3PEAK /
页数 文件大小 规格书
12页 857K
描述
72M HD Composite Video Filter Driver with Comparator

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中文翻译

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TPF1441-SR 数据手册

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TPF1441  
72M HD Composite Video Filter Driver with Comparator  
Feartures  
Description  
Wide Power Supply: +3.0V to +5.5V Single Supply  
Robust ESD Protection:  
The TPF1441 is a low power, 72M HD composite video filter  
and comparator on a single chip. Drawing less than 11.5mA  
supply current over the full operating temperature range,  
TP1441 operates from a single 3.0V to 5.5V power supply.  
TPF1441 integrate high-performance low-cost 72MHz  
composite video reconstruction filter, it combine excellent video  
performance and low power consumption perfectly. It  
Robust 8kV – HBM and 2kV – CDM ESD Rating  
Green Product, SOP-8 Package  
Video Filter:  
HDTV Video Filter Support Composite 1080p/60  
Optimized 6th-order Butterworth Video reconstruction filter：  
HD Channel: -3dB BW 72MHz  
Support Multiple Input Biasing:  
Provide 80-mV Level-Shift when DC-Coupled  
incorporates one high-definition (HD) filter channel. The filter  
feature sixth-order Butterworth characteristics that are useful as  
digital-to-analog converter (DAC) reconstruction filters or as  
analog-to-digital converter (ADC) anti-aliasing filters. The HD  
filters can be bypassed to support HDCVI 1080i/720p video.  
The TPF1441’s on-board comparator incorporates  
3PEAK’s proprietary and patented design techniques to achieve  
the ultimate combination of high-speed (68ns propagation delay  
under 3.0~5.5V wide supply range) and low power consumption ,  
The internal input hysteresis eliminates output switching due to  
internal input noise voltage, reducing current draw. The push-  
pull output supports rail-to-rail output swing, and interfaces with  
CMOS/TTL logic.  
Very Low Quiescent Current: 11.5 mA(at 3.3V, Typical)  
6dB Gain(2V/V), Rail to Rail Output  
AC- or DC-Coupled Output Driving Dual Video Loads (75Ω)  
Comparator:  
Fast Response Time: 68 ns Propagation Delay  
Offset Voltage: ± 3.0 mV Maximum  
Internal Hysteresis Ensures Clean Switching  
Push-Pull, CMOS/TTL Compatible Output  
Applications  
TPF1441 is available in SOP-8 package (TPF1441-SR). Its  
operation temperature range is from −40°C to +85°C.  
Video Signal Amplification  
Set-Top Box Video Driver  
Related Resources  
PV、DVD Player Video Buffer  
Video Buffer for Portable or USB-Powered Video Devices  
HDTV  
AN-1201:Application notes of TPF1XX  
Pin Configuration (Top View)  
Pin Name  
AIN  
Pin Function  
Non-Inverting Input of the Comparator  
Comparator Output  
1
2
3
4
8
7
6
5
AIN  
VREF  
DOUT  
GND  
DOUT  
VREF  
HD IN  
+VS  
Inverting Input of Comparator  
HD video input, LPF = 72 MHz  
Positive Power Supply  
TPF1441  
8 LEAD SOIC  
SHDN  
HD OUT  
+Vs  
HD IN  
GND  
Ground  
HD OUT  
HD video output, LPF = 72 MHz  
High on this pin logic low to shut down the device.  
Range: Logic high enables the device and logic low  
Shut down the device. This pin defaults to logic high  
if left open.  
SHDN  
www.3peakic.com.cn  
Rev.A.2  
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