MAX9547ESA datasheet(4/12 Pages) MAXIM

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Differential Video Interface Chipset

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PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Large-Signal Bandwidth

VIN = 1VP-P, -3dB

MHz

Large-Signal Flatness

VIN = 1VP-P, ±0.5dB

MHz

Slew Rate

V/µs

Settling Time (0.1%)

tSETTLING

400

Power-Supply Rejection Ratio

PSRR

f = 100kHz, 100mVP-P ripple

Common-Mode Rejection Ratio

CMRR

f = 100kHz, 100mVP-P ripple

LOS Timeout Period

tLOS

760

µs

AC ELECTRICAL CHARACTERISTICS—MAX9547

(VCC = +8.5V, GND = 0V, RL = 75

Ω, ZZT = 75Ω, CL = 50pF, TA = -40°C to +85°C, Typical values are at TA = +25°C.) (Note 2)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Differential Gain

3.8

Differential Phase

0.6

degrees

Signal-to-Noise Ratio

SNR

5MHz lowpass, 100kHz highpass,

VIN = 1VP-P

2T Pulse-to-Bar Rating

2T = 250ns, bar time is 18µs, the beginning

3.5% and the ending 3.5% of the bar time is

ignored

0.2

2T Pulse Response

2T = 250ns

0.25

Group Delay

D/dt

At 3.58MHz

AC ELECTRICAL CHARACTERISTICS—MAX9546 Driving MAX9547

(VCC = +8.5V, RL = 220

Ω across OUT+ and OUT-, RL = 75Ω (MAX9547), ZZT = 75Ω, TA = -40°C to +85°C. Typical values are at TA =

+25°C, unless otherwise noted.) (Note 2)

Note 2:

All devices are 100% production tested at TA = +25°C. All temperature limits are guaranteed by design.

Note 3:

Defined as differential output to single-ended input.

Note 4:

Input is AC-coupled.

Note 5:

The RC time constant (3Hz) formed by the source resistance (RS) and coupling capacitor (CIN) is usually used for lead

compensation of the active clamp. The source resistance is 400

Ω max. The clamp should remain stable in this condition.

Note 6:

Differential mode is defined as (OUT+ - OUT-). Common mode is defined as OUT+ + OUT-

Note 7:

A fault is when the outputs both sink and source current and the amount of extra current sink or source is greater than 3mA.

Note 8:

Common-mode balance is defined as 20log((OUT+ - OUT-) / (OUT+ + OUT-)).

Note 9:

Ground between MAX9546 and MAX9547 can be a ±2V difference.

Note 10: A loss-of-signal is when the input video signal of the MAX9547 does not change (cross 100mV level from sync tip) for 10

video lines.

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