MAX7444ESA datasheet(2/8 Pages) MAXIM

2 / 8 page

Triple-Channel Video Reconstruction Filter and

Buffer for Composite and Y/C Outputs

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ABSOLUTE MAXIMUM RATINGS

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 ...........................................................................+6V

All Other Pins to GND.................................-0.3V to (VCC + 0.3V)

Maximum Current into Any Pin Except VCC and GND .....±50mA

Continuous Power Dissipation (TA = +70°C)

8-Pin Thin QFN (derate 24.4mW/°C above +70°C) ...1951mW

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

ELECTRICAL CHARACTERISTICS

(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

MAX7443

-0.8

-0.3

+0.1

Passband Response

f = 100kHz to 4.2MHz,

relative to 100kHz

MAX7444

-0.1

+0.6

+0.92

Stopband Attenuation

ASB

f = 27MHz

Boost Amplitude

f = 4.2MHz, MAX7444

0.6

Differential Gain

5-step modulated

staircase

Gain = 6dB,

9.5dB, 12dB

0.15

0.4

Differential Phase

5-step modulated

staircase

Gain = 6dB,

9.5dB, 12dB

0.15

0.4

Degrees

Signal-to-Noise Ratio

SNR

Peak signal (2VP-P) to

RMS noise, f = 100Hz to

50MHz

Gain = 6dB,

9.5dB, 12dB

MAX7443

Group Delay Deviation

∆tg

Deviation from 100kHz to

4.1MHz

MAX7444

Line-Time Distortion

HDIST

18µs, 100 IRE bar

0.3

Field-Time Distortion

VDIST

130 lines, 18µs, 100 IRE bar

0.5

Clamp Settling Time

To ±1%

100

Lines

YOUT

0.6

0.8

1.0

CVOUT

0.6

0.8

1.0

Output DC Clamp Level

COUT

1.44

1.6

1.97

Low-Frequency Gain Accuracy

f = 100kHz, relative to 6dB

-3.5

Group Delay Matching

tg(MATCH)

Low-frequency channel-to-channel matching,

f = 100kHz for YOUT and COUT

2ns

Channel-to-Channel Crosstalk

XTALK

f = 100kHz to 3.58MHz, gain = 6dB

Input Leakage Current

IIN

µA

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