MAX9121 datasheet(3/12 Pages) MAXIM

Part #	MAX9121

Description	Quad LVDS Line Receivers with Integrated Termination and Flow-Through Pinout

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Manufacturer	MAXIM [Maxim Integrated Products]

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Quad LVDS Line Receivers with

Integrated Termination and Flow-Through Pinout

_______________________________________________________________________________________

3

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

LOGIC INPUTS (EN,

EN)

Input High Voltage

VIH

2.0

VCC

V

Input Low Voltage

VIL

0

0.8

V

Input Current

IIN

VIN_ = VCC or 0

-15

15

µA

SUPPLY

Supply Current

ICC

Enabled, inputs open

9

15

mA

Disabled Supply Current

ICCZ

Disabled, inputs open

0.07

0.5

mA

AC ELECTRICAL CHARACTERISTICS

(VCC = +3.0V to +3.6V, CL = 15pF, differential input voltage |VID| = 0.2V to 1.0V, common-mode voltage VCM = |VID/2| to 2.4V -

|VID/2|, input rise and fall time = 1ns (20% to 80%), input frequency = 100MHz, TA = -40°C to +85°C. Typical values are at VCC =

+3.3V, VCM = 1.2V, |VID| = 0.2V, TA = +25°C, unless otherwise noted.) (Notes 3, 4)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Differential Propagation Delay

High to Low

tPHLD

Figures 2 and 3

1.2

1.93

2.7

ns

Differential Propagation Delay

Low to High

tPLHD

Figures 2 and 3

1.2

1.79

2.7

ns

Differential Pulse Skew [tPHLD -

tPLHD] (Note 5)

tSKD1

Figures 2 and 3

140

300

ps

Differential Channel-to-Channel

Skew (Note 6)

tSKD2

Figures 2 and 3

400

ps

Differential Part-to-Part Skew

(Note 7)

tSKD3

Figures 2 and 3

0.8

ns

Differential Part-to-Part Skew

(Note 8)

tSKD4

Figures 2 and 3

1.5

ns

Rise-Time

tTLH

Figures 2 and 3

0.55

1.0

ns

Fall-Time

tTHL

Figures 2 and 3

0.54

1.0

ns

Disable Time High to Z

tPHZ

RL = 2k

Ω, Figures 4 and 5

14

ns

Disable Time Low to Z

tPLZ

RL = 2k

Ω, Figures 4 and 5

14

ns

Enable Time Z to High

tPZH

RL = 2k

Ω, Figures 4 and 5

70

ns

Enable Time Z to Low

tPZL

RL = 2k

Ω, Figures 4 and 5

70

ns

Maximum Operating Frequency

(Note 9)

fMAX

All channels switching

250

300

MHz

DC ELECTRICAL CHARACTERISTICS (continued)

(VCC = +3.0V to +3.6V, differential input voltage |VID| = 0.1V to 1.0V, common-mode voltage VCM = |VID/2| to 2.4V - |VID/2|,

TA = -40°C to +85°C. Typical values are at VCC = +3.3V, TA = +25°C, unless otherwise noted.) (Note 1)

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