TPF1441C(3PEAK思瑞浦)
- The TPF1441C 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, TP1441C operates from a single 3.0V to 5.5V power supply. TPF1441
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The TPF1441C 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, TP1441C operates from a single 3.0V to 5.5V power supply. TPF1441C integrates high-performance low-cost 72MHz composite video reconstruction filter, however it has very low power consumption. The filter is 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 actually support 720p/1080p CVI/TVI/AHD platform. Moreover the filter can be bypassed to support wider bandwidth video application. The TPF1441C’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 PUSHPULL output supports rail-to-rail output swing, and interfaces with CMOS/TTL logic. TPF1441C is available in SOP-8 package (TPF1441C-SR) and MSOP-8 package (TP1441C-VR). Its operation temperature range is from −40°C to +85°C.
Feartures
◼ Wide Power Supply: +3.0V to +5.5V Single Supply
◆ Robust ESD Protection:
◼ Robust 8kV – HBM and 2kV – CDM ESD Rating
◼ Green Product, MSOP8/SOP8 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:
◆ Transparent Clamping for DC restoration
◆ Provide 80-mV Level-Shift when DC-Coupled
◼ 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
◼ Same DC clamping circuit as video input.
Applications
◼ Video Signal Amplification
◼ Set-Top Box Video Driver
◼ PV、DVD Player Video Buffer
◼ Video Buffer for Portable or USB-Powered Video Devices
◼ HDTV
Feartures
◼ Wide Power Supply: +3.0V to +5.5V Single Supply
◆ Robust ESD Protection:
◼ Robust 8kV – HBM and 2kV – CDM ESD Rating
◼ Green Product, MSOP8/SOP8 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:
◆ Transparent Clamping for DC restoration
◆ Provide 80-mV Level-Shift when DC-Coupled
◼ 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
◼ Same DC clamping circuit as video input.
Applications
◼ Video Signal Amplification
◼ Set-Top Box Video Driver
◼ PV、DVD Player Video Buffer
◼ Video Buffer for Portable or USB-Powered Video Devices
◼ HDTV
