MAX14852 Datasheet, PDF (5/22 Pages) Maxim Integrated Products – 2.75kVRMS Isolated 500kbps/25Mbps Full-Duplex

MAX14852/MAX14854
2.75kV_RMS Isolated 500kbps/25Mbps Full-Duplex
RS-485/RS-422 Transceivers
with ±35kV ESD Protection
Switching Electrical Characteristics (MAX14852)
(V_DDA – V_GNDA = 1.71V to 5.5V, V_DDB – V_GNDB = 3.0V to 5.5V, T_A = T_MIN to T_MAX, unless otherwise noted. Typical values are at
V_DDA – V_GNDA = 3.3V, V_DDB – V_GNDB = 3.3V, V_GNDA = V_GNDB, and T_A = +25°C.) (Note 7)
PARAMETER
DYNAMIC
SYMBOL
CONDITIONS
MIN
TYP MAX
UNITS
Common Mode Transient
Immunity
CMTI
(Note 8)
35
kV/μs
Glitch Rejection
TXD, DE, RXD
10
17
29
ns
DRIVER
Driver Propagation Delay
tDPLH, tDPHL
RL = 54Ω, C_L = 50pF, Figure 2 and
Figure 3
1040
ns
Differential Driver Output Skew
|tDPLH - tDPHL|
Driver Differential Output Rise
or Fall Time
tDSKEW
tLH, tHL
RL = 54Ω, C_L = 50pF, Figure 2 and
Figure 3
R_L = 54Ω, C_L = 50pF, Figure 2 and
Figure 3
144
ns
900
ns
Maximum Data Rate
DRMAX
500
kbps
Driver Enable to Output High
tDZH
RL = 110Ω, C_L = 50pF, Figure 5
2540
ns
Driver Enable to Output Low
Driver Disable Time from Low
Driver Disable Time from High
RECEIVER
Receiver Propagation Delay
tDZL
tDLZ
tDHZ
RL = 110Ω, C_L = 50pF, Figure 5
RL = 110Ω, C_L = 50pF, Figure 5
RL = 110Ω, C_L = 50pF, Figure 4
tRPLH, tRPHL
CL = 15pF, Figure 6 and Figure 7
(Note 9)
2540
ns
140
ns
140
ns
240
ns
Receiver Output Skew
|tRPLH - tRPHL|
tRSKEW
CL = 15pF, Figure 6 and Figure 7
(Note 9)
34
ns
Maximum Data Rate
DRMAX
500
Receiver Enable to Output High
tRZH
RL = 1kΩ, C_L = 15pF, S2 closed,
Figure 8
Receiver Enable to Output Low
tRZL
RL = 1kΩ, C_L = 15pF, S1 closed,
Figure 8
Receiver Disable Time From Low
tRLZ
RL = 1kΩ, C_L = 15pF, S1 closed,
Figure 8
kbps
20
ns
30
ns
20
ns
Receiver Disable Time From High
tRHZ
RL = 1kΩ, C_L = 15pF, S2 closed,
Figure 8
20
ns
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