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MAX481E Datasheet(PDF) 3 Page - Maxim Integrated Products

Part No. MAX481E
Description  ±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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MAX481E Datasheet(HTML) 3 Page - Maxim Integrated Products

 
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±15kV ESD-Protected, Slew-Rate-Limited,
Low-Power, RS-485/RS-422 Transceivers
_______________________________________________________________________________________
3
SWITCHING CHARACTERISTICS—MAX481E/MAX485E, MAX490E/MAX491E, MAX1487E
(VCC = 5V ±5%, TA = TMIN to TMAX, unless otherwise noted.) (Notes 1, 2)
DC ELECTRICAL CHARACTERISTICS (continued)
(VCC = 5V ±5%, TA = TMIN to TMAX, unless otherwise noted.) (Notes 1, 2)
mA
795
0V
≤ VO ≤ VCC
IOSR
Receiver Short-Circuit Current
mA
35
250
-7V
≤ VO ≤12V (Note 4)
IOSD2
Driver Short-Circuit Current,
VO = Low
mA
35
250
-7V
≤ VO ≤12V (Note 4)
IOSD1
Driver Short-Circuit Current,
VO = High
MAX1487E,
R
E
= 0V or VCC
250
400
350
650
CONDITIONS
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
230
400
300
500
MAX481E/MAX485E,
R
E
= 0V or VCC
500
900
MAX490E/MAX491E,
DE, DI,
R
E
= 0V or VCC
300
500
MAX488E/MAX489E,
DE, DI,
R
E
= 0V or VCC
120
250
DE = VCC
300
500
DE = 0V
DE = VCC
DE = 0V
µA
MAX481E/483E/487E, DE = 0V,
R
E
= VCC
0.5
10
ISHDN
Supply Current in Shutdown
120
250
ICC
No-Load Supply Current
(Note 3)
DE = VCC
DE = 0V
MAX483E
MAX487E
MAX483E/MAX487E,
R
E
= 0V or VCC
µA
520
25
MAX490EC/E, MAX491EC/E
MAX481E,MAX485E,MAX1487E
Driver Rise or Fall Time
tR, tF
320
40
Figures 10 and 12,
RDIFF = 54Ω,
CL1 = CL2 = 100pF
MAX490EC/E, MAX491EC/E
Figures 11 and 13, CL = 15pF, S2 closed
Figures 11 and 13, CL = 15pF, S1 closed
Figures 11 and 13, CL = 100pF, S1 closed
Figures 11 and 13, CL = 100pF, S2 closed
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
Driver Enable to Output High
tZH
45
70
Receiver Input to Output
tPLH, tPHL
Driver Output Skew to Output
ns
Driver Enable to Output Low
tZL
45
70
ns
Driver Disable Time from Low
tLZ
45
70
ns
| tPLH - tPHL | Differential
Receiver Skew
Driver Disable Time from High
tSKD
tHZ
45
70
5
ns
20
60
200
Receiver Enable to Output Low
tZL
20
50
ns
Receiver Enable to Output High
Driver Input to Output
tZH
20
50
ns
Receiver Disable Time from Low
tLZ
20
50
tPLH
10
40
60
ns
Receiver Disable Time from High
tHZ
20
50
Mbps
Maximum Data Rate
fMAX
2.5
ns
Time to Shutdown
tSHDN
50
200
600
tSKEW
510
ns
CONDITIONS
Figures 10 and 14,
RDIFF = 54Ω,
CL1 = CL2 = 100pF
Figures 10 and 14, RDIFF = 54Ω,
CL1 = CL2 = 100pF
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 9 and 15, CRL = 15pF, S2 closed
MAX481E (Note 5)
Figures 10 and 12, RDIFF = 54Ω,
CL1 = CL2 = 100pF
MAX481E,MAX485E,MAX1487E
ns
Figures 10 and 12, RDIFF = 54Ω, CL1 = CL2 = 100pF
tPHL
10
40
60
ns
ns
ns
20
60
150
ns
kV
±15
A, B, Y and Z pins, tested using Human Body Model
ESD Protection


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