UM3491 Datasheet, PDF (2/14 Pages) Union Semiconductor, Inc. – +3.3V Low Power，±15kV ESD-Protected, Fail-Safe, RS-422 Transceivers in SOP14/DIP14

UM3491
Ordering Information
Part Number
UM3491EESE
UM3491EEPE
Temperature Range
-40°C to +85°C
-40°C to +85°C
Packaging Type
SOP14
DIP14
Shipping Qty
2500pcs/13 Inch Tape & Reel
25pcs Tube
Absolute Maximum Ratings
Symbol
Parameter
Value
Unit
V_CC
Supply Voltage
+7
V
Control Input Voltage (RE, DE)
-0.3V to (VCC + 0.3V) V
Driver Input Voltage (DI)
-0.3V to (VCC + 0.3V) V
Driver Output Voltage (A, B, Y, Z)
±13
V
Receiver Input Voltage (A, B)
±25
V
Receiver Output Voltage (RO)
-0.3V to (VCC + 0.3V) V
14-Pin Plastic DIP (derate 10.0mW/°C above +70°C)
800
P_D
14-Pin SO (derate 8.33mW/°C above +70°C)
mW
667
T_A
Ambient Temperature
T_STG
Storage Temperature Range
T_L
Lead Temperature for Soldering 10 seconds
-40 to +85
°C
-65 to +150
°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
DRIVER
Differential Driver Output
(No Load)
V_OD1
Figure 3
Vcc
V
Differential Driver Output
V_OD2
Figure 3, R = 50Ω
1.8
Vcc V
Differential Driver Output
Change-in-Magnitude of
Differential Output Voltage
(Note 2)
Driver Common-Mode
Output Voltage
Input High Voltage
Input Low Voltage
DI Input Hysteresis
V_OD3
ΔV_OD
V_OC
V_IH
V_IL
V_HYS
Figure 3, R = 27Ω
Figure 3, R = 50Ω
Figure 3, R = 50Ω
______
DE, DI, R E
______
DE, DI, R E
1.3
Vcc V
0.2
V
3.0
V
2.0
V
0.8 V
100
mV
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http://www.union-ic.com Rev.02 Jun.2012
2/14