ML6426CS-4 datasheet, PDF - EEWORLD Datasheet

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ML6426CS-4: DescriptionTRIPLE CONTINUOUS TIME FILTER, BUTTERWORTH, LOWPASS, PDSO16; CategoryAnalog mixed-signal IC filter; File Size145KB，17 Pages; ManufacturerFairchild; Websitehttp://www.fairchildsemi.com/

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ML6426CS-4 Overview

TRIPLE CONTINUOUS TIME FILTER, BUTTERWORTH, LOWPASS, PDSO16

ML6426CS-4 Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Maker	Fairchild
Parts packaging code	SOIC
package instruction	SOP,
Contacts	16
Reach Compliance Code	unknow
Active filter type	CONTINUOUS TIME FILTER
Center frequency or cutoff frequency maximum range	30000 kHz
Center frequency or cutoff frequency minimum range
JESD-30 code	R-PDSO-G16
JESD-609 code	e0
length	9.93 mm
Humidity sensitivity level	1
Number of functions	3
Number of terminals	16
Maximum operating temperature	70 °C
Minimum operating temperature
Package body material	PLASTIC/EPOXY
encapsulated code	SOP
Package shape	RECTANGULAR
Package form	SMALL OUTLINE
Peak Reflow Temperature (Celsius)	260
poles and zeros	4 AND 0
Certification status	Not Qualified
response	LOWPASS
Maximum seat height	1.75 mm
Maximum supply voltage (Vsup)	5.5 V
Minimum supply voltage (Vsup)	4.5 V
Nominal supply voltage (Vsup)	5 V
surface mount	YES
Temperature level	COMMERCIAL
Terminal surface	TIN LEAD
Terminal form	GULL WING
Terminal pitch	1.27 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED
transfer characteristics	BUTTERWORTH
width	3.9 mm

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www.fairchildsemi.com

ML6426

High Bandwidth Triple Video Filters with Buffered

Outputs for RGB or YUV

Features

• 5V ±10% operation

• RGB/YUV ﬁlters for ATSC Digital Television VESA

Standard

• 2:1 Mux Inputs for multiple RGB/YUV inputs

• Triple Reconstruction Filter options for 6.7, 12, 24, 30,

and 36MHz to handle various line rates

• Multiple ML6426 outputs can be paralleled to drive RGB/

YUV outputs at different frequencies for various line rates

by means of Disable/Enable pin.

• 6dB drivers and sync tip clamps for DC restore

• DC restore with minimal tilt

• 0.4% differential gain on all channels

0.4º differential phase on all channels

0.8% total harmonic distortion on all channels

• 2kV ESD protection

General Description

The ML6426 are a family of triple video ﬁlters with buffered

outputs. There are several versions of the ML6426, each with

different passband cut-off frequencies of 6.7MHz, 12MHz,

24MHz, 30MHz, and 36MHz. Each channel contains a 4

order Butterworth lowpass reconstruction video ﬁlter. The

ﬁlter is optimized for minimum overshoot and ﬂat group

delay and guaranteed differential gain and phase at the out-

puts of the integrated cable drivers.

All input signals from DACs are AC coupled into the

ML6426. All channels have DC restore circuitry to clamp the

DC input levels during video H-sync, using an output feed-

back clamp. An external H-sync signal is required for this

purpose.

All outputs must be AC coupled into their loads. Each output

can drive 2V

P-P

into a 150

Ω

load. All channels have a gain of

2 (6dB) at 1V

P-P

input levels.

Block Diagram

VCCO

RINA/YINA

RINB/YINB

GINA/UINA

GIN/UINB

BINA/VINA

BINB/VINB

MUX

TRANSCONDUCTANCE

ERROR AMP

A/B MUX

SYNCIN

DISABLE

GNDO

GND

–

VCC

MUX

TRANSCONDUCTANCE

ERROR AMP

MUX

TRANSCONDUCTANCE

ERROR AMP

–

4th-ORDER

FILTER A

0.5V

4th-ORDER

FILTER B

0.5V

4th-ORDER

FILTER C

0.5V

×2

ROUT/YOUT

×2

GOUT/UOUT

×2

BOUT/VOUT

ML6426-1

Filter A

Filter B

Filter C

6.7MHz

ML6426-2

12MHz

ML6426-3

24MHz

ML6426-4

30MHz

ML6426-5

36MHz

ML6426-15

15MHz

REV. 3A August 2004

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match discriminator

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