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MAX9512 Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX9512 Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 19 page General Description The MAX9512 video filter amplifier with SmartSleep and Y/C mixer is ideal for portable media players (PMPs), portable DVD players, and set-top boxes (STBs). The inputs can be directly connected to the digital-to-analog converter (DAC) outputs. The dual reconstruction filters remove high-frequency signals above 6.75MHz. The Y/C-to-CVBS mixer creates a composite video signal from luma and chroma. The four amplifiers each have 6dB of gain. The outputs can be DC-coupled to a load of 75Ω, which is equivalent to two video loads, or AC-cou- pled to a load of 150Ω. The SmartSleep circuitry intelligently reduces power consumption based on the presence of the input signal and the output loads. When the MAX9512 does not detect the presence of sync on luma, the supply cur- rent is reduced to less than 7µA. The device only enables a video amplifier when there is an active video input signal and an attached load. The video amplifier remains on while a load is connected. If the load is dis- connected, the video amplifier is turned off. The MAX9512 operates from a 2.7V to 3.6V single sup- ply and is offered in a small, 16-pin TQFN (3mm x 3mm) package. The device is specified over the -40°C to +125°C automotive temperature range. Applications Features ♦ SmartSleep Feature Detects Input Signal and Output Load Status to Reduce Power Consumption ♦ Dual Standard-Definition Video Reconstruction Filters with 6.75MHz Passband ♦ Luma and Chroma Inputs ♦ Y/C-to-CVBS Mixer ♦ Luma, Chroma, and Two Composite Outputs ♦ Supports Two Video Loads at Each Output (DC-Coupled) ♦ 2.7V to 3.6V Single-Supply Operation Video Filter Amplifier with SmartSleep and Y/C Mixer Circuit ________________________________________________________________ Maxim Integrated Products 1 TOP VIEW 15 16 + 14 13 5 6 7 8 13 N.C. 4 12 10 9 SMARTSLEEP CIN GND N.C. SHDN N.C. MAX9512 2 11 VDD THIN QFN (3mm x 3mm) Pin Configuration CIN YIN COUT YOUT CVBSOUT1 SHDN ACTIVE VIDEO DETECT SMARTSLEEP CVBSOUT2 LPF CONTROL LOGIC BUFFER LOAD SENSE 6dB LPF BUFFER LOAD SENSE 6dB LOAD SENSE 6dB LOAD SENSE 6dB MAX9512 Block Diagrams Ordering Information 19-0535; Rev 2; 2/09 Note: All devices specified over the -40°C to +125°C operating temperature range. + Denotes lead(Pb)-free/RoHS-compliant package. * EP = Exposed pad. PART PIN-PACKAGE TOP MARK MAX9512ATE+ 16 TQFN-EP* (3mm x 3mm) AEN Block Diagrams continued at end of data sheet. Portable Media Players (PMPs) Portable DVD Players Set-Top Boxes (STBs) Portable Applications For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. |
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