MAX13448E Datasheet, PDF (3/14 Pages) Maxim Integrated Products – 80V Fault-Protected Full-Duplex RS-485 Transceiver

±80V Fault-Protected Full-Duplex
RS-485 Transceiver
ELECTRICAL CHARACTERISTICS (continued)
(V_CC = +3.0 to +5.5V, T_A = T_MIN to T_MAX, unless otherwise noted. Typical values are at V_CC = +3.3V and T_A = +25°C.) (Notes 2, 3)
PARAMETER
RECEIVER
SYMBOL
CONDITION
MIN TYP MAX UNITS
Input Current
Receiver Differential Threshold
Voltage
I_A, _B
V_TH
V_A, V_B = +12V
V_A, V_B = -7V
V_A, V_B = ±80V
V_CC = GND or
V_CC = +3.0V to +5.5V
-7V ≤ V_CM ≤ +12V
-100
-6
-200
+125
µA
µA
+6
mA
-50
mV
Receiver Input Hysteresis
Output High Voltage
ΔV_TH
V_OH
I_OH = -1.6mA
25
mV
V_CC -
0.6
V
Output Low Voltage
Three-State Output Current at
Receiver
V_OL
I_OZR
I_OL = 1mA
0 ≤ V_A, V_B ≤ V_CC
0.4
V
-1
+1
µA
Receiver Output Short-Circuit
Current
I_OSR
0 ≤ V_RO ≤ V_CC
-95
+95
mA
ESD PROTECTION
All Pins
Human Body Model
±2
kV
ESD Protection Level
(A and B, Y and Z)
CONTROL
Control Input High Voltage
Control Input Low Voltage
Input Current Latch During First
Rising Edge
Human Body Model
V_CIH
V_CIL
I_IN
DE, RE
DE, RE
DE, RE
±8
kV
2
V
0.8
V
80
µA
PROTECTION SPECIFICATIONS
Overvoltage Protection
A, B, Y, Z
-80
+80
V
SWITCHING CHARACTERISTICS (V_CC = +3.3V ±10%)
(T_A = T_MIN to T_MAX, unless otherwise noted. Typical values are at V_CC = +3.3V and T_A = +25°C.)
PARAMETER
DRIVER
Driver Differential Propagation
Delay
SYMBOL
CONDITION
t_DPLH,
t_DPHL
R_L = 54Ω, C_L = 50pF, Figures 2 and 3
MIN TYP MAX UNITS
700 1500
ns
Driver Differential Output
Transition Time
t_LH, t_HL R_L = 54Ω, C_L = 50pF, Figures 2 and 3
250
1200
ns
Differential Driver Output Skew
Maximum Data Rate
Driver Enable Time to Output High
t_DSKEW
f_MAX
t_DZH
R_L = 54Ω, C_L = 50pF, t_DSKEW = [t_DPLH -
t_DPHL], Figures 2 and 3
R_L = 500Ω, C_L = 50pF, Figure 4
150 200
ns
250
kbps
2000
ns
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