MAX3043EUE datasheet(4/15 Pages) MAXIM

Part #	MAX3043EUE

Description	짹10kV ESD-Protected, Quad 5V RS-485/RS-422 Transmitters

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Manufacturer	MAXIM [Maxim Integrated Products]

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±10kV ESD-Protected, Quad 5V RS-485/RS-422

Transmitters

4

_______________________________________________________________________________________

Note 1: All currents into the device are positive; all currents out of the device are negative. All voltages are referenced to device

ground unless otherwise noted.

Note 2:

∆VOD and ∆VOC are the changes in VOD and VOC, respectively, when the transmitter input changes state.

Note 3: This input current level is for the hot-swap enable (EN_, EN, EN) inputs and is present until the first transition only. After the

first transition the input reverts to a standard high-impedance CMOS input with input current IIN. For the first 20µs the input

current may be as high as 1mA. During this period the input is disabled.

Note 4: Maximum current level applies to peak current just prior to foldback-current limiting. Minimum current level applies during

current limiting.

SWITCHING CHARACTERISTICS—MAX3041/MAX3044 (continued)

(VCC = +5V ±5%, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = +5V and TA = +25°C.)

SWITCHING CHARACTERISTICS—MAX3042B/MAX3045B

(VCC = +5V ±5%, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = +5V and TA = +25°C.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Maximum Data Rate

fMAX

20

Mbps

tPLH

23

40

Driver Propagation Delay

tPHL

Figures 2 and 3,

RDIFF = 54

Ω, CDIFF = 50pF

23

40

ns

tF

17

Driver Differential Output

Rise-Time/Fall-Time

tR

Figures 2 and 3,

RDIFF = 54

Ω, CDIFF = 50pF

17

ns

tDSKEW

Different chips

±8

Skew Driver to Driver

tSSKEW

Same chip

Figures 2 and 3,

RDIFF = 54

Ω,

CDIFF = 50pF

±8

ns

Differential Driver Output Skew

| t PLH - tPHL |

tSKEW

Figures 2 and 3,

RDIFF = 54

Ω, CDIFF = 50pF

±8ns

Driver Enable to Output High

tZH

MAX3042B, Figures 4 and 5, S2 closed,

RL = 500

Ω, CL = 100pF

300

ns

Driver Enable from Shutdown to

Output High

tZH(SHDN)

Figures 4 and 5, S2 closed,

RL = 500

Ω, CL = 100pF

300

ns

Driver Enable to Output Low

tZL

MAX3042B, Figures 4 and 5, S1 closed,

RL = 500

Ω, CL = 100pF

300

ns

Driver Enable from Shutdown to

Output Low

tZL(SHDN)

Figures 4 and 5, S1 closed,

RL = 500

Ω, CL = 100pF

300

ns

Driver Disable Time from Low

tLZ

Figures 4 and 5, S1 closed,

RL = 500

Ω, CL = 15pF

400

ns

Driver Disable Time from High

tHZ

Figures 4 and 5, S2 closed,

RL = 500

Ω, CL = 15pF

400

ns

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Driver Enable from Shutdown to

Output High

tZH(SHDN)

Figures 4 and 5, S2 closed,

RL = 500

Ω, CL = 100pF

400

ns

Driver Enable to Output Low

tZL

MAX3041, Figures 4 and 5, S1 closed,

RL = 500

Ω, CL = 100pF

400

ns

Driver Enable from Shutdown to

Output Low

tZL(SHDN)

Figures 4 and 5, S1 closed,

RL = 500

Ω, CL = 100pF

400

ns

Driver Disable Time from Low

tLZ

Figures 4 and 5, S1 closed,

RL = 500

Ω, CL = 15pF

500

ns

Driver Disable Time from High

tHZ

Figures 4 and 5, S2 closed,

RL = 500

Ω, CL = 15pF

500

ns

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