MAX13450E_1011 Datasheet, PDF (3/17 Pages) Maxim Integrated Products – RS-485 Transceivers with Integrated 100Ω/120Ω Termination Resistors

RS-485 Transceivers with Integrated
100Ω/120Ω Termination Resistors
ELECTRICAL CHARACTERISTICS (continued)
(VCC = +4.5V to +5.5V, VL = +1.62V to VCC, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = +5V,
VL = +1.8V, and TA = +25NC.) (Note 2)
PARAMETER
Driver Short-Circuit Foldback
Output Current
RECEIVER
Input Current (A and B)
SYMBOL
IOSDF
CONDITIONS
(VCC - 1V) P VOUT P +12V
-7V P VOUT P 0V
MIN TYP MAX UNITS
+15
mA
-15
IA, B
DE = RE = GND;
VA or VB = +12V
TERM = VL; VCC = GND
or 5.5V
VA or VB = -7V
-100
125
FA
Receiver Differential Threshold
Voltage
-7V P VCM P +12V,
VTH
DE = RE = GND;
VA or VB = +12V -200
TERM = VL; VCC = GND
-50
mV
Receiver Input Hysteresis
LOGIC INTERFACE
Input High Voltage
Input Low Voltage
Input Current
Receiver Output High Voltage
Receiver Output Low Voltage
Three-State Output Current at
Receiver
DVTH VA + VB = 0V
VIH
VIL
IIN
VROH
VROL
IOZR
DI, DE, RE, TERM, SRL, TERM100, INV
DI, DE, RE, TERM, SRL, TERM100, INV
DI, DE, RE, TERM, TERM100, SRL, INV
IOUT = -1mA
IOUT = +1mA
0V P VRO P VL
15
mV
2/3 x VL
-1
VL - 0.6
V
1/3 x VL V
+1
FA
V
0.4
V
-1 +0.01 +1
FA
Receiver Output Short-Circuit
Current
IOSR 0V P V_RO P V_L
Q1
Q80
mA
Fault Output High Voltage
(MAX13451E)
VFAULTH Fault condition, IOUT = -1mA
VL - 0.6
V
Fault Output Low Voltage
(MAX13451E)
VFAULTL Nonfault condition; IOUT = +1mA
0.4
V
TERMINATION RESISTOR
100I Termination Resistor
120I Termination Resistor
Single-Ended Input Capacitance
vs. GND
R100
R120
CIN
TERM = low, TERM100 = high
TERM = low, TERM100 = low
f = 1MHz (MAX13451E only)
85
100 115
I
101 120 139
I
40
pF
ESD PROTECTION
ESD Protection (A, B, Y, Z)
ESD Protection (All Other Pins)
Human Body Model
IEC 61000-4-2 Air Gap Discharge
IEC 61000-4-2 Contact Discharge
Human Body Model
Q30
Q15
kV
Q7
Q2
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