MAX7438, MAX7439 Triple-Channel Video Reconstruction Filters With Back-Porch Clamp To GND

The MAX7438 MAX7439 three-channel, standard-definition Video reconstruction Filters include a back-porch clamp that sets the output blanking level of the Video signal to ground. Each channel of the MAX7438 MAX7439 combines a lowpass Filter with adjustable high-frequency boost levels and an output Buffer capable of driving two standard 150 Video loads. The blanking level of the output Video signal on each channel is clamped to ground, eliminating the need for large AC-coupling output capacitors. Direct input-coupling circuitry eliminates the need for AC-coupling input capacitors. This DC-in/DC-out architecture results in extremely low line-time distortion. The MAX7438 MAX7439 are ideal for antialiasing and DAC smoothing in digital Video devices such as STBs, DVDs, PVRs, and hard disk recorders. The MAX7438 MAX7439 operate from 5V dual supplies.
The three-channel MAX7438 MAX7439 are ideal for Y, Pb, Pr, and RGB component Video signals, three composite Video signals, and also Y/C plus CVBS Video signals. Each Filter channel achieves 60dB of attenuation at 27MHz and a maximally flat passband from DC to 5MHz.
The MAX7438 offers an internal +2V/V gain, while the MAX7439 offers a +3V/V gain.
By Maxim Integrated Products
MAX7438 's PackagesMAX7438 's pdf datasheet
MAX7438ETP QFN
MAX7438ETP-T QFN
MAX7438ETPT QFN




MAX7438 Pinout, Pinouts
MAX7438 pinout,Pin out
This is one package pinout of MAX7438,If you need more pinouts please download MAX7438's pdf datasheet.

MAX7438 Application circuits
MAX7438 circuits
This is one application circuit of MAX7438,If you need more circuits,please download MAX7438's pdf datasheet.


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