MAX9526 datasheet(7/38 Pages) MAXIM

7 / 38 page

Low-Power, High-Performance

NTSC/PAL Video Decoder

_______________________________________________________________________________________

FULL-SCALE

CONVERSION RANGE

GAIN CODE (Reg0x0A[3:0]) (DECIMAL)

400

600

800

200

015

ANALOG INPUT

FILTER RESPONSE

FREQUENCY (MHz)

-30

-20

-10

-40

0.1

100

ADC EFFECTIVE NUMBER OF BITS

vs. INPUT FREQUENCY

FREQUENCY (MHz)

7.5

8.0

8.5

9.0

9.5

10.0

7.0

AGCGAIN = 0000

DIGITAL ANTI-ALIASING FILTER DISABLED

ADC SNR

vs. GAIN CODE

AGC GAIN CODE (REG0x0A[3:0]) (DECIMAL)

015

DIGITAL COMPOSITE

ANTI-ALIASING FILTER

FREQUENCY (MHz)

-70

-60

-50

-40

-30

-20

-10

-80

030

DIGITAL Y FILTER

FREQUENCY (MHz)

-70

-60

-50

-40

-30

-20

-10

-80

030

DIGITAL Cb/Cr FILTER

FREQUENCY (MHz)

-70

-60

-50

-40

-30

-20

-10

-80

010

PAL

NTSC

DIGITAL NOTCH FILTER

FREQUENCY (MHz)

-70

-60

-50

-40

-30

-20

-10

-80

PAL

NTSC

DECODED VIDEO OUTPUT

100% COLOR BARS (Y WAVEFORM)

TIME (µs)

200

400

600

800

1000

060

Typical Operating Characteristics

(VAVDD = VDVDD = +1.8V, VDVDDIO = 3.3V, VAGND = VDGND = 0V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at

TA = +25°C.)

MAX9526 Datasheet(PDF) 7 Page - Maxim Integrated Products

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