MAX7481 datasheet(2/13 Pages) MAXIM

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Bidirectional Video Filters/Buffers for Composite

and S-Video Portable Media Devices

_______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

(VCC = CPVCC = +3.0V, TA = +25°C, C1 = C2 = 1µF, C3 = C4 = C5 = 0.1µF, load at OUT1–OUT5 = 150

Ω to GND, RBIAS = 100kΩ to

GND, unless otherwise noted. See the

Functional Diagram/Typical Application Circuit.)

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional

operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to

absolute maximum rating conditions for extended periods may affect device reliability.

VCC to GND ............................................................. -0.3V to +4V

IN1–IN5 to GND..........................................-0.3V to (VCC + 0.3V)

OUT1–OUT5 to GND ....................................-1.8V to (VCC + 0.3V)

OUT1–OUT5 to GND (Shutdown) .................-0.3V to (VCC + 0.3V)

BIAS, SHDN, P/R, YCON, CVBSON

to GND....................................................-0.3V to (VCC + 0.3V)

CPVCC to CPGND ....................................................-0.3V to +4V

C1P to GND............................................... -0.3V to (VCC + 0.3V)

C1N to GND ............................................... (VSS - 0.3V) to +0.3V

CPGND to GND.....................................................-0.1V to +0.1V

CPVSS to VSS.........................................................-0.1V to +0.1V

VSS to GND........................................................... -3.6V to +0.3V

Continuous Current

IN1–IN5, BIAS, CVBSON, YCON, C1P, C1N................±50mA

Output Short-Circuit Current.............................................±90mA

Continuous Power Dissipation (TA = +70°C)

28-Pin TQFN (derate 21.3mW/°C above +70°C) .......1702mW

Operating Temperature Range ...........................-40°C to +85°C

Junction Temperature ......................................................+150°C

Storage Temperature Range .............................-65°C to +150°C

Lead Temperature (soldering, 10s) .................................+300°C

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Passband Flatness

f = 100kHz to 4.2MHz

-1

Stopband Attenuation

f = 27MHz

Differential Gain Error

5-step modulated staircase

0.2

Differential Phase Error

5-step modulated staircase

0.3

Degrees

Signal-to-Noise Ratio

SNR

Peak signal (2VP-P) to RMS noise,

f = 100kHz to 4.2MHz

IN1, VIN = -0.10V to 0.92V

1.15

IN2, VIN = -0.09V to 0.92V

0.83

IN3

1.15

IN4

0.90

Input Dynamic Swing

VRANGE

AC-coupled

IN5

1.15

VP-P

Input Leakage Current

IIN

µA

MAX7481: All outputs

MAX7482: OUT4, OUT5

5.5

6.5

Low Frequency Gain

f = 100kHz

MAX7482: OUT1, OUT2,

OUT3

6.5

7.5

OUT1, OUT2, OUT4

±150

Output Black Level Variation

OUT3, OUT5

±200

Clamp Settling Time

TCLAMP

To 5% with a 100 IRE step

300

Lines

Group-Delay Deviation

Deviation from 100kHz to 4.2MHz

Line-Time Distortion

HDIST

Deviation in a line with an 18µs, 100 IRE

bar; 1 line = 63.5µs

0.3

Field-Time Distortion

VDIST

Deviation in 130 lines with an 18µs, 100 IRE

bar

0.5

Channel-to-Channel Crosstalk

XTALK

f = 100kHz to 4.2MHz

-60

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