UM3487E Datasheet, PDF (2/14 Pages) Union Semiconductor, Inc. – ±15kV ESD-Protected, Fail-Safe, Hot-Swappable Auto Polarity Reversal RS-485 Transceivers

UM3487E
Absolute Maximum Ratings
Symbol
V_CC
T_A
T_STG
T_L
Parameter
Supply Voltage
Control Input Voltage (/RE, DE)
Driver Input Voltage (DI)
Driver Output Voltage (L1, L2)
Receiver Input Voltage (L1, L2)
Receiver Output Voltage (RO)
Ambient Temperature
Storage Temperature Range
Lead Temperature for Soldering 10 seconds
Value
Unit
+7
V
-0.3V to 7V
V
-0.3V to 7V
V
-7.5 to +12.5
V
-7.5 to +12.5
V
-0.3V to (V_CC + 0.3V) V
-40 to +85
°C
-65 to +160
°C
+300
°C
DC Electrical Characteristics
(V_CC = +3.3V ±5%, T_A = T_MIN to T_MAX, unless otherwise noted. Typical values are at V_CC = +3.3V
and T_A = +25°C.) (Note 1)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
SUPPLY CURRENT
Supply Current
DE = V_CC,
I_CC
No load, _{/RE=0V or VCC}
DI = GND
0.35
mA
or V_CC
DE =0V,
/RE=0V
0.25
Supply Current in Shutdown
Mode
I_SHDN
DE = GND, /RE = V_CC
0.1
1
µA
LOGIC
Input High Voltage
V_IH1
DE, DI, /RE
1.5
V
Input Low Voltage
V_IL1
DE, DI, /RE
0.4
V
DI Input Hysteresis
DRIVER
Differential Driver Output
V_HYS
V_OD1
No Load, Figure 2
180
mV
3.2
3.3
V
Differential Driver Output V_OD2
Figure 2, R = 54Ω
1.5
V
Change-in-Magnitude of
Differential Output Voltage
ΔV_OD
Figure 2, R = 54Ω;
(Note 2)
0.1
V
Driver Common-Mode
Output Voltage
V_OC
Figure 2, R = 54Ω
1.4 1.8
V
Change-in-Magnitude of
Common-Mode Voltage
ΔV_OC
Figure 2, R = 54Ω;
(Note 2)
0.1
V
Driver Short-Circuit Output
Current (Note 3)
I_OSD
V_OUT = -7V
V_OUT = 12V
-250
mA
250
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http://www.union-ic.com Rev.02 Jan.2014
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