MAX14938 Datasheet, PDF (5/22 Pages) Maxim Integrated Products – 2.75kVRMS Isolated 20Mbps Half-Duplex PROFIBUS

MAX14938/MAX14939
2.75kV_RMS Isolated 20Mbps Half-Duplex PROFIBUS/
RS-485 Transceivers with ±35kV ESD Protection
DC Electrical Characteristics (continued)
(VDDA – VGNDA = 1.71V to 5.5V, VDDB – VGNDB = 4.5V to 5.5V, TA = TMIN to TMAX, unless otherwise noted. Typical values are
at VDDA – VGNDA = 3.3V, VDDB – VGNDB = 5V, VGNDA = VGNDB, and TA = +25°C.) (Notes 2, 3)
PARAMETER
PROTECTION
Thermal-Shutdown Threshold
Thermal-Shutdown Hysteresis
ESD Protection
(A and B Pins to GNDB)
ESD Protection (All Other Pins)
SYMBOL
T_SHDN
T_HYST
CONDITIONS
Temperature Rising
Human Body Model
IEC 61000-4-2 Air Gap Discharge
IEC 61000-4-2 Contact Discharge
Human Body Model
MIN
TYP
MAX
UNITS
+160
°C
15
°C
±35
±12
kV
±10
±4
kV
Switching Electrical Characteristics
(VDDA – VGNDA = 1.71V to 5.5V, VDDB – VGNDB = 4.5V to 5.5V, TA = TMIN to TMAX, unless otherwise noted. Typical values are
at VDDA – VGNDA = 3.3V, VDDB – VGNDB = 5V, VGNDA = VGNDB, and TA = +25°C.) (Note 8)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP MAX UNITS
DYNAMIC
Common Mode Transient
Immunity
CMTI
(Note 9)
35
kV/μs
Glitch Rejection
TXD, DE, RXD
10
17
29
ns
DRIVER
Driver Propagation Delay
tDPLH, tDPHL
RL = 54Ω, C_L = 50pF, Figure 3 and
Figure 4
68
ns
Differential Driver Output Skew
|tDPLH – tDPHL|
tDSKEW
RL = 54Ω, C_L = 50pF, Figure 3 and
Figure 4
6
ns
Driver Differential Output Rise
or Fall Time
tLH, tHL
R_L = 54Ω, C_L = 50pF, Figure 3 and
Figure 4
15
ns
Maximum Data Rate
DRMAX
20
Mbps
Driver Enable to Output High
tDZH
RL = 500Ω, C_L = 50pF, Figure 5
88
ns
www.maximintegrated.com
Maxim Integrated │  5