GENERAL DESCRIPTION
The ML6428 is a dual Y/C 4th-order Butterworth lowpass video filter optimized for minimum overshoot and flat group delay. The device also contains a summing circuit to generate filtered composite video.

FEATURES
■ 6.7MHz Y and C filters, with CV out for NTSC or PAL
■ 75W cable line driver for Y, C, CV, and TV modulator
■ 43dB stopband attenuation at 27MHz
■ 1dB flatness up to 4.8MHz
■ No external frequency select components or clocks
■ 12ns group delay flatness up to 10MHz
■ 5% overshoot on any input edge
■ AC coupled input and output (ML6428CS-1 and -3)
■ AC coupled input and DC coupled output (ML6428CS-2 and -4)
■ 0.4% differential gain on all channels, 0.4º differential phase on all channels
■ 0.7% total harmonic distortion on all channels
■ 5V ±10% operation
■ DC restore with low tilt