ADV7344 Ver la hoja de datos (PDF) - Analog Devices

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ADV7344

Multiformat Video Encoder Six 14-Bit Noise Shaped Video DACs

Analog Devices 

ADV7344

Data Sheet

GND_IO

VDD_IO

8-/10-/16-/20-/

24-/30-BIT

SD

VIDEO

DATA

8-/10-/16-/20-/

24-/30-BIT

ED/HD

VIDEO

DATA

DGND (2)

FUNCTIONAL BLOCK DIAGRAM

VDD (2)

SCL SDA ALSB

SFL

AGND VAA

VBI DATA SERVICE

INSERTION

MPU PORT

SUBCARRIER FREQUENCY

LOCK (SFL)

4:2:2 TO 4:4:4

SD

DEINTERLEAVE

RGB

TO

YCrCb

MATRIX

R

G/B

SDR/DDR

ED/HD INPUT

4:2:2 TO 4:4:4

DEINTERLEAVE

RGB

ASYNC

BYPASS

YCbCr

HDTV

TEST

PATTERN

GENERATOR

ADD

SYNC

PROGRAMMABLE

LUMINANCE

FILTER

YCrCb

TO

RGB

ADD

BURST

PROGRAMMABLE

CHROMINANCE

FILTER

RGB

SIN/COS DDS

BLOCK

PROGRAMMABLE

HDTV FILTERS

SHARPNESS AND

ADAPTIVE FILTER

CONTROL

YCbCr

TO

RGB MATRIX

16×

FILTER

16×

FILTER

4×

FILTER

ADV7344

14-BIT

DAC 1

14-BIT

DAC 2

14-BIT

DAC 3

14-BIT

DAC 4

14-BIT

DAC 5

14-BIT

DAC 6

POWER

MANAGEMENT

CONTROL

VIDEO TIMING GENERATOR

16x/4x OVERSAMPLING

DAC PLL

REFERENCE

AND CABLE

DETECT

DAC 1

DAC 2

DAC 3

DAC 4

DAC 5

DAC 6

RSET (2)

P_HSYNC P_VSYNC P_BLANK S_HSYNC S_VSYNC CLKIN (2) PVDD PGND EXT_LF (2) VREF COMP (2)

Figure 1.

Rev. B | Page 6 of 108

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