MAX7450ESA datasheet(2/9 Pages) MAXIM

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Video-Signal Conditioners with AGC and

Back-Porch Clamp

_______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

(VSUPPLY = ±5V ±5% (MAX7450), VSUPPLY = ±3.3V ±5% (MAX7451), VSUPPLY = +5V ±5% (MAX7452), RL=150

Ω to GND, CL = 0 to

20pF, GSET = 1, AGCD = 1, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25

°C.)

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

MAX7450/MAX7452...........................................................+6V

MAX7451 ...........................................................................+4V

VSS to GND

MAX7450.............................................................................-6V

MAX7451.............................................................................-4V

OUT

MAX7450/MAX7451 ..........................................-2.5V to +3.5V

MAX7452 ................................................-0.3V to (VCC + 0.3V)

GSET, AGCD, LOS .....................................-0.3V to (VCC + 0.3V)

All Other Pins

MAX7450/MAX7451...................(-0.3V + VSS) to (VCC + 0.3V)

MAX7452 ................................................-0.3V to (VCC + 0.3V)

Maximum Current into Any Pin ............……………………±50mA

Continuous Power Dissipation (TA = +70°C)

8-Pin SO (derate 18.9mW/°C above +70°C)..............1509mW

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

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

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

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

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

MAX7450/MAX7451, relative to GND

±50

Clamp Accuracy

MAX7452, relative VBPLVL = 1.5V

±50

GSET = 0

1.5

2.4

Back-Porch Level Input Range

VBPLVL

MAX7452

GSET = 1

1.2

2.0

Clamp Response Time

tCLAMP

Blanking level at the output to 1% of final

value

Lines

GSET = 0, relative

to VOUT = 1VP-P

±10

AGC Accuracy

AGCD = 0,

VIN = 0.5VP-P to 2VP-P

GSET = 1, relative

to VOUT = 2VP-P

±10

AGC Input Range

AGCD = 0, relative to VIN = 1VP-P

-6.0

+6.0

Gain Flatness

f = 5MHz relative to 100kHz

-0.3

+0.3

Noise-Filter Cutoff

MHz

GSET = 0

0.95

1.05

Low-Frequency Gain

f = 100kHz

GSET = 1

1.85

2.05

V/V

Group-Delay Deviation

∆tG

3.58/4.43MHz relative to 100kHz

Differential Gain

Five-step modulated staircase (VIN = 1VP-P)

0.2

0.6

Differential Phase

Five-step modulated staircase (VIN = 1VP-P)

0.2

0.6

Degrees

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