MAX9526 datasheet(3/38 Pages) MAXIM

3 / 38 page

Low-Power, High-Performance

NTSC/PAL Video Decoder

_______________________________________________________________________________________

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Sync Slice Comparator Level

Activity detect slicer, referenced to VCLMP

Slow

Medium

Medium-fast (default)

DC Restore Current DAC Full-

Scale Range (Source and Sink)

(Note 3)

Fast

µA

AGCGAIN = 0x0, ADAGC = 1

0.51

DC Restore Sync-Tip Level at

VIN1/VIN2

AGCGAIN = 0xF, ADAGC = 1

0.72

ANALOG INPUT FILTER AND ADC (Note 4)

Cutoff Frequency (3dB)

f3dB

MHz

Passband Flatness

f < 5MHz, VVIN = 0.65VP-P, reference level

measured at 1MHz

0.25

Stopband Cutoff

fSB

MHz

Stopband Attenuation

f > fSB, VVIN = 0.65VP-P, reference level

measured at 1MHz

AGCGAIN = 0x0

670

830

Full-Scale Conversion Range

AGC disabled,

gain programmed

using I2C (ADAGC = 1),

referenced to VIN1/VIN2

AGCGAIN = 0xF

270

330

mVP-P

AGC Gain Stepsize

0.167

V/V

Differential Nonlinearity

DNL

AGCGAIN = 0x0, ADAGC = 1

±0.5

LSB

Integral Nonlinearity

INL

AGCGAIN = 0x0, ADAGC = 1

±1

LSB

Signal-to-Noise RatioSNR

Includes filter + ADC + digital anti-aliasing

filter, input is -1dBFS; ADAGC = 1,

AGCGAIN[3:0] = 0x0, defined as ratio of

RMS signal to RMS noise in dB

58.8

1.7V < VAVDD <

1.9V, 1.7V <

VDVDD < 1.9V

-40

VAVDD = 1.8V +

100mVP-P at

500kHz

-67

VAVDD = 1.8V +

100mVP-P at

3.58MHz

-58

Power-Supply Rejection

PSR

ADAGC = 1

AGCGAIN[3:0] = 0x0

input level = 1MHz sine

wave at -2dBFS

VAVDD = 1.8V +

100mVP-P at

4.43MHz

-57

dBFS

Differential Phase

5-step modulated staircase,

f = 3.58MHz or 4.43MHz

1.0

degrees

ELECTRICAL CHARACTERISTICS (continued)

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

TA = +25°C.) (Note 1)

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