NM485DC Datasheet, PDF (2/6 Pages) Murata Manufacturing Co., Ltd. – Isolated Dual EIA-485 Driver and Receiver

NM485DC Series
Isolated Dual EIA-485 Driver and Receiver
EACH DRIVER ELECTRICAL CHARACTERISTICS
Parameter
High level output voltage, VOH
Low level output voltage, VOL
Differential output voltage, VOD1
Differential output voltage, VOD2
Change in magnitude of differential output voltage, ΔVOD
Common mode output voltage, ΔVOC
Change in magnitude of common mode output voltage, ΔVOC
Output current power off, IO
High level input current, IIH
Low level input current, IIL
Short circuit output current, IOS
Test conditions
IOH=-33mA
IOH=33mA
IO=0
RL=100Ω
RL=54Ω
RL=54Ω or 100Ω
VCC=0, VO=-7.0V to 12V
VIH=4.0V
VIL=0.8V
VO=-7.0V¹
VO=12V¹
Min.
Typ.
Max.
Units
3.7
V
1.1
V
1.5
6.0
V
2.0
V
1.5
5.0
V
±0.2
V
-1.0
3.0
V
±0.2
V
±100
μA
2.0
20
μA
-15
mA
-250
mA
250
mA
DRIVER SWITCHING CHARACTERISTICS
Parameter
Differential output delay time, TDD
Output disable time from high level, TPHZ
Output disable time from low level, TPLZ
Propagation delay time L to H, TPLH
Propagation delay time H to L, TPHL
Differential output transition time, TTD
Output enable time to high level, TPZH
Output enable time to low level, TPZL
Test conditions
RL=54Ω, CL=50pF
RL=110Ω, CL=50pF
RL=110Ω, CL=50pF
RL=27Ω, CL=50pF
RL=54Ω, CL=50pF
RL=110Ω, CL=50pF
RL=110Ω, CL=50pF
Min.
Typ.
Max.
Units
20
25
ns
90
120
ns
30
45
ns
70
145
ns
70
145
ns
150
300
ns
80
120
ns
40
60
ns
DRIVER FUNCTION TABLE
DXIN
High level
Low level
Irrelevant
DX ENABLE
High level
High level
Low level
DXY Output
High level
Low level
High impedance
DXZ Output
Low level
High level
High impedance
TEMPERATURE CHARACTERISTICS
Parameter
Operating free-air temperature range
Storage temperature range
1. Duration of short circuit should not exceed 1 second.
Min.
Typ.
Max.
Units
0
60
ºC
-40
125
ºC
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KII_NM485DC.A05 Page 2 of 6