MAX9526 datasheet(4/38 Pages) MAXIM

4 / 38 page

Low-Power, High-Performance

NTSC/PAL Video Decoder

_______________________________________________________________________________________

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)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Differential GainDG

5-step modulated staircase,

f = 3.58MHz or 4.43MHz

2T Pulse Response

2T = 200ns or 250ns

0.4

2T Bar Response

Bar time is 18µs, the beginning 2.5% and

ending 2.5% of the bar time are ignored,

2T = 200ns or 250ns

0.2

2T Pulse to Bar Rating

Bar time is 18µs, the beginning 2.5% and

ending 2.5% of the bar time are ignored,

2T = 200ns or 250ns

0.2

Group Delay Distortion

100kHz < f < 5MHz±1

DECODED LUMINANCE AND CHROMINANCE CHANNELS (Note 5)

Chroma Bandwidth

BWC

1MHz

Luma Bandwidth

BWL

5.5

MHz

Luma Nonlinearity

5-step staircase

Luma Line Time Distortion (H-Tilt)

Measured at the output regarding active video

0.5

Luma Field Time Distortion (V-Tilt)

Measured at the output regarding active video

0.1

DIGITAL COMPOSITE DECODER

Lock Time

frames

Horizontal Line Time Static Variation

-5

Maximum Horizontal Line Time

Jitter (Async Mode)

5µs

Maximum Horizontal Line Time

Jitter (LLC mode)

160

Line-Locked Clock Frequency

fLLC

Varies with input line rate

MHz

Minimum Peak Signal to RMS Noise

Proper composite decoder operation

PLL

Async Mode Jitter

Ideal input clock

psRMS

000

180

001

250

010

375

011 (default)

500

100

750

101

1000

110

1500

Line-Locked PLL Loop Bandwidth

Set by Register 0x0E[2:0]

111

2000

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