MAX487ECSA datasheet(4/16 Pages) MAXIM

Part #	MAX487ECSA

Description	짹15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers

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Manufacturer	MAXIM [Maxim Integrated Products]

Direct Link	https://www.maximintegrated.com/en.html

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4 / 16 page

±15kV ESD-Protected, Slew-Rate-Limited,

Low-Power, RS-485/RS-422 Transceivers

4

_______________________________________________________________________________________

SWITCHING CHARACTERISTICS—MAX483E, MAX487E/MAX488E/MAX489E

(VCC = 5V ±5%, TA = TMIN to TMAX, unless otherwise noted.) (Notes 1, 2)

SWITCHING CHARACTERISTICS—MAX481E/MAX485E, MAX490E/MAX491E, MAX1487E

(continued)

(VCC = 5V ±5%, TA = TMIN to TMAX, unless otherwise noted.) (Notes 1, 2)

225

1000

Figures 11 and 13, CL = 100pF, S2 closed

Figures 11 and 13, CL = 100pF, S1 closed

Figures 9 and 15, CL = 15pF, S2 closed,

A - B = 2V

CONDITIONS

ns

45

100

tZH(SHDN)

Driver Enable from Shutdown to

Output High (MAX481E)

ns

Figures 9 and 15, CL = 15pF, S1 closed,

B - A = 2V

tZL(SHDN)

Receiver Enable from Shutdown

to Output Low (MAX481E)

ns

45

100

tZL(SHDN)

Driver Enable from Shutdown to

Output Low (MAX481E)

ns

225

1000

tZH(SHDN)

Receiver Enable from Shutdown

to Output High (MAX481E)

UNITS

MIN

TYP

MAX

SYMBOL

PARAMETER

tPLH

tSKEW

Figures 10 and 12, RDIFF = 54Ω,

CL1 = CL2 = 100pF

tPHL

Figures 10 and 12, RDIFF = 54Ω,

CL1 = CL2 = 100pF

Driver Input to Output

Driver Output Skew to Output

ns

20

800

ns

2000

MAX483E/MAX487E, Figures 11 and 13,

CL = 100pF, S2 closed

tZH(SHDN)

Driver Enable from Shutdown to

Output High

250

2000

ns

2500

MAX483E/MAX487E, Figures 9 and 15,

CL = 15pF, S1 closed

tZL(SHDN)

Receiver Enable from Shutdown

to Output Low

ns

2500

MAX483E/MAX487E, Figures 9 and 15,

CL = 15pF, S2 closed

tZH(SHDN)

Receiver Enable from Shutdown

to Output High

ns

2000

MAX483E/MAX487E, Figures 11 and 13,

CL = 100pF, S1 closed

tZL(SHDN)

Driver Enable from Shutdown to

Output Low

ns

50

200

600

MAX483E/MAX487E (Note 5)

tSHDN

Time to Shutdown

tPHL

tPLH, tPHL < 50% of data period

Figures 9 and 15, CRL = 15pF, S2 closed

Figures 9 and 15, CRL = 15pF, S1 closed

Figures 9 and 15, CRL = 15pF, S2 closed

Figures 9 and 15, CRL = 15pF, S1 closed

Figures 11 and 13, CL = 15pF, S2 closed

Figures 10 and 14, RDIFF = 54Ω,

CL1 = CL2 = 100pF

Figures 11 and 13, CL = 15pF, S1 closed

Figures 11 and 13, CL = 100pF, S1 closed

Figures 11 and 13, CL = 100pF, S2 closed

CONDITIONS

kbps

250

fMAX

250

800

2000

Maximum Data Rate

ns

25

50

tHZ

Receiver Disable Time from High

ns

250

800

2000

25

50

tLZ

Receiver Disable Time from Low

ns

25

50

tZH

Receiver Enable to Output High

ns

25

50

tZL

Receiver Enable to Output Low

ns

100

300

3000

tHZ

tSKD

Driver Disable Time from High

I tPLH - tPHL I Differential

Receiver Skew

Figures 10 and 14, RDIFF = 54Ω,

CL1 = CL2 = 100pF

ns

300

3000

tLZ

Driver Disable Time from Low

ns

250

2000

tZL

Driver Enable to Output Low

ns

Figures 10 and 12, RDIFF = 54Ω,

CL1 = CL2 = 100pF

ns

250

2000

tR, tF

250

2000

Driver Rise or Fall Time

ns

tPLH

Receiver Input to Output

250

2000

tZH

Driver Enable to Output High

UNITS

MIN

TYP

MAX

SYMBOL

PARAMETER

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