MAX14948 Datasheet, PDF (4/21 Pages) Maxim Integrated Products – 5kVRMS Isolated 500kbps Half-Duplex RS-485

MAX14948
5kV_RMS Isolated 500kbps Half-Duplex RS-485/
RS-422 Transceiver with ±30kV 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
Driver Short-Circuit Output
Current
Driver Short-Circuit Foldback
Output Current
RECEIVER
Input Current (A and B)
Receiver Differential Threshold
Voltage
Receiver Input Hysteresis
Receiver Input Resistance
PROTECTION
Thermal-Shutdown Threshold
Thermal-Shutdown Hysteresis
ESD Protection
(A and B Pins to GNDB)
ESD Protection (All Other Pins)
SYMBOL
IOSD
IOSDF
IA, IB
VTH
ΔV_TH
RIN
T_SHDN
T_HYST
CONDITIONS
GNDB ≤ V_OUT ≤ +12V, output low
(Note 6)
-7V ≤ V_OUT ≤ V_DDB, output high
(Note 6)
(VDDB – 1V) ≤ V_OUT ≤ +12V, output
low (Note 6)
-7V ≤ V_OUT ≤ +1V, output high
(Note 6)
DE = GNDA,
VDDB = GNDB
or +5.5V
VIN = +12V
VIN = -7V
-7V ≤ V_CM ≤ +12V
VCM = 0V
-7V ≤ V_CM ≤ +12V, DE = low
Temperature Rising
Human Body Model
IEC 61000-4-2 Air Gap Discharge
IEC 61000-4-2 Contact Discharge
Human Body Model
MIN
+40
-250
TYP MAX
+250
-40
UNITS
mA
+20
mA
-20
-100
+125
µA
-200 -125 -50
mV
15
mV
96
kΩ
+160
°C
15
°C
±30
±15
kV
±10
±4
kV
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