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MAX3483E Datasheet(PDF) 4 Page - Maxim Integrated Products

Part No. MAX3483E
Description  3.3V-Powered, ±15kV ESD-Protected, 12Mbps and Slew-Rate-Limited True RS-485/RS-422 Transceivers
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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MAX3483E Datasheet(HTML) 4 Page - Maxim Integrated Products

 
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3.3V-Powered, ±15kV ESD-Protected, 12Mbps and
Slew-Rate-Limited True RS-485/RS-422 Transceivers
4
_______________________________________________________________________________________
DRIVER SWITCHING CHARACTERISTICS—MAX3483E/MAX3488E
(VCC = +3.3V, TA = +25°C.)
ns
50
80
tPLZ
Driver-Output Disable Time from Low Level
RL = 110Ω, Figure 10
ns
700
930
1500
tPLH
Driver Propagation Delay, Low-to-High Level
ns
400
740
1200
tTD
kbps
250
Maximum Data Rate
Driver Differential Output Transition Time
µs
2.2
3.0
tPSH
Driver-Output Enable Time from Shutdown to High Level
µs
1.9
2.7
tPSL
Driver-Output Enable Time from Shutdown to Low Level
ns
50
80
tPHZ
Driver-Output Disable Time from High Level
ns
700
930
1500
tPHL
Driver Propagation Delay, High-to-Low Level
ns
±50
tPDS
|tPLH - tPHL| Driver Propagation-Delay Skew (Note 2)
ns
600
800
tPZH
Driver-Output Enable Time to High Level
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
RL = 27Ω, Figure 8
RL = 60Ω, Figure 7
RL = 110Ω, Figure 9
RL = 110Ω, Figure 10
RL = 110Ω, Figure 9
RL = 27Ω, Figure 8
RL = 27Ω, Figure 8
RL = 110Ω, Figure 9
CONDITIONS
RECEIVER SWITCHING CHARACTERISTICS
(VCC = +3.3V, TA = +25°C.)
ns
25
45
tPRLZ
Receiver-Output Disable
Time from Low Level
CL = 15pF, Figure 12,
MAX3483E/85E/86E/91E only
ns
25
62
90
ns
80
190
300
tSHDN
Time to Shutdown
ns
720
1400
tPRSH
Receiver-Output Enable Time
from Shutdown to High Level
ns
720
1400
tPRSL
Receiver-Output Enable Time
from Shutdown to Low Level
ns
25
45
tPRHZ
Receiver-Output Disable
Time from High Level
ns
25
62
90
ns
6±10
ns
25
50
tPRZL
Receiver-Output Enable Time
to Low Level
ns
25
50
tPRZH
Receiver-Output Enable Time
to High Level
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
VID = 0 to 3.0V, CL = 15pF, Figure 11
MAX3483E/MAX3485E/MAX3486E/MAX3491E
only (Note 3)
CL = 15pF, Figure 12,
MAX3483E/85E/86E/91E only
CL = 15pF, Figure 12,
MAX3483E/85E/86E/91E only
CL = 15pF, Figure 12,
MAX3483E/85E/86E/91E only
VID = 0 to 3.0V, CL = 15pF, Figure 11
VID = 0 to 3.0V, CL = 15pF, Figure 11
CL = 15pF, Figure 12,
MAX3483E/85E/86E/91E only
CL = 15pF, Figure 12,
MAX3483E/85E/86E/91E only
CONDITIONS
25
75
120
tRPLH
Receiver Propagation Delay,
Low-to-High Level
MAX3483E/MAX3488E
25
75
120
tRPHL
Receiver Propagation Delay,
High-to-Low Level
MAX3483E/MAX3488E
12
±20
tRPDS
|tPLH - tPHL| Receiver
Propagation-Delay Skew
MAX3483E/MAX3488E
Note 1:
∆VOD and ∆VOC are the changes in VOD and VOC, respectively, when the DI input changes state.
Note 2: Measured on
|tPLH (Y) - tPHL (Y)| and |tPLH (Z) - tPHL (Z)|.
Note 3: The transceivers are put into shutdown by bringing RE high and DE low. If the inputs are in this state for less than 80ns, the
devices are guaranteed not to enter shutdown. If the inputs are in this state for at least 300ns, the devices are guaranteed
to have entered shutdown. See
Low-Power Shutdown Mode section.
ns
900
1300
tPZL
Driver-Output Enable Time to Low Level
RL = 110Ω, Figure 10
ns
600
900
1400
tDD
Driver Differential Output Delay
RL = 60Ω, Figure 7
DRIVER-OUTPUT ENABLE/DISABLE TIMES (MAX3483E only)


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