ML6423 Datasheet PDF | Micro Linear

Micro Linear ML6423

The ML6423 monolithic BiCMOS 6th-order filter provides a two-channel fixed frequency lowpass filtering for video applications. This dual phase equalized filter with sinx/x correction is designed for reconstruction filtering at the output of a Video DAC. Each channel incorporates a 6th-order lowpass filter, a first order allpass filter, a gain boost circuit, and a 75W coax cable driver.

Part No.	ML6423
Datasheet	ML6423 Download
Manufacturer	Micro Linear
Description	Dual S-Video Lowpass Filter with Phase and Sinx/x Equalization
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GENERAL DESCRIPTION

A composite sum output eliminates the need for a third DAC. Cutoff frequencies are either 5.5MHz or 9.6MHz. A control pin (RANGE) is provided to allow the inputs to swing from 0 to 1V, or 0.5 to 1.5V, by providing a 0.5V offset to the input. The 2X gain filters are powered from a single 5V supply, and can drive 1VP-P into 75W (0.5V to 1.5V), or 2VP-P into 150W (0.5V to 2.5V) with the internal coax drivers.

FEATURES

s 5.5 or 9.6MHz bandwidth with 6dB gain s >40dB stopband rejection s No external components or clocks s ±10% frequency accuracy over maximum supply and temperature variation s <2% differential gain, <2° differential phase s <20ns group delay variation s 5V ±10% operation s Composite (sum) output s High sink current for AC coupled loads, ML6423-5 * This Product Is End Of Life As Of August 1, 2000 BLOCK DIAGRAM 10 VCCB 7 VCCC 4 VCC 13 VCCA VINA (Y) 16 2kΩ IBIAS 2kΩ BUF VOUTA (Y) LOWPASS FILTER A ALLPASS FILTER SINX/X EQUALIZER 2X BUF 3.43kΩ 12 15 RANGE ∑ 2X...