MAX7444ESA datasheet(3/8 Pages) MAXIM

3 / 8 page

Triple-Channel Video Reconstruction Filter and

Buffer for Composite and Y/C Outputs

_______________________________________________________________________________________

ELECTRICAL CHARACTERISTICS (continued)

(VCC = +5V ±5%, CL = 0 to 20pF, RL = 75

Ω to GND for DC-couple, RL = 75Ω to VCC/2 for AC-couple, CYIN = CCIN = 0.1µF,

TA = TMIN to TMAX, GSET = GND (6dB) and VCC (9.5dB), unless otherwise noted. Typical values are at TA = +25°C.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

YINP-P

GSET = GND (6dB)

1.2

Input Dynamic Swing

CINP-P

GSET = GND (6dB)

0.9

VP-P

SUPPLY

Supply Voltage Range

VCC

4.75

5.25

Supply Current

ICC

VCC = +5.25V, no load

110

Power-Supply Rejection Ratio

PSRR

VIN = 100mVP-P, f = 0 to 3.5MHz

Typical Operating Characteristics

(VCC = +5V, TA = +25°C, unless otherwise noted.)

-80

100

AMPLITUDE vs. FREQUENCY

FREQUENCY (MHz)

-60

-20

-40

NORMALIZED TO 0dB

-2.0

0.1

PASSBAND AMPLITUDE vs. FREQUENCY

FREQUENCY (MHz)

0.5

-0.5

2.0

NORMALIZED TO 0dB

1.5

1.0

-1.5

-1.0

MAX7443

MAX7444

-200

0.1

PHASE RESPONSE vs. FREQUENCY

FREQUENCY (MHz)

-50

200

150

100

-150

-100

0.1

GROUP DELAY vs. FREQUENCY

FREQUENCY (MHz)

2T RESPONSE (1 IRE = 7.14mV)

200ns/div

YIN

200mV/div

YOUT

400mV/div

MODULATED 12.5T RESPONSE

(1 IRE = 7.14mV)

400ns/div

YIN

200mV/div

YOUT

200mV/div

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