参数资料
型号: NM485DC
厂商: Murata Power Solutions Inc
文件页数: 2/6页
文件大小: 0K
描述: ISOLATED INTERFACE EIA-485 DL
标准包装: 15
系列: IsoLoop®
类型: 收发器,隔离式
驱动器/接收器数: 1/1
规程: RS485
电源电压: 4.75 V ~ 5.25 V
安装类型: 通孔
封装/外壳: 24-DIP(0.667",16.95mm)
供应商设备封装: 24-DIL
包装: 管件
产品目录页面: 2721 (CN2011-ZH PDF)
其它名称: 811-1445-5
NM485DC Series
Isolated Dual EIA-485 Driver and Receiver
KII_NM485DC.A05 Page 2 of 6
www.murata-ps.com/support
EACH DRIVER ELECTRICAL CHARACTERISTICS
Parameter
Test conditions
Min.
Typ.
Max.
Units
High level output voltage, VOH
IOH=-33mA
3.7
V
Low level output voltage, VOL
IOH=33mA
1.1
V
Differential output voltage, VOD1
IO=0
1.5
6.0
V
Differential output voltage, VOD2
RL=100Ω
2.0
V
RL=54Ω
1.5
5.0
V
Change in magnitude of differential output voltage, ΔVOD
RL=54Ω or 100Ω
±0.2
V
Common mode output voltage, ΔVOC
-1.0
3.0
V
Change in magnitude of common mode output voltage, ΔVOC
±0.2
V
Output current power off, IO
VCC=0, VO=-7.0V to 12V
±100
μA
High level input current, IIH
VIH=4.0V
2.0
20
μA
Low level input current, IIL
VIL=0.8V
-15
mA
Short circuit output current, IOS
VO=-7.0V1
-250
mA
VO=12V1
250
mA
DRIVER SWITCHING CHARACTERISTICS
Parameter
Test conditions
Min.
Typ.
Max.
Units
Differential output delay time, TDD
RL=54Ω, CL=50pF
20
25
ns
Output disable time from high level, TPHZ
RL=110Ω, CL=50pF
90
120
ns
Output disable time from low level, TPLZ
RL=110Ω, CL=50pF
30
45
ns
Propagation delay time L to H, TPLH
RL=27Ω, CL=50pF
70
145
ns
Propagation delay time H to L, TPHL
70
145
ns
Differential output transition time, TTD
RL=54Ω, CL=50pF
150
300
ns
Output enable time to high level, TPZH
RL=110Ω, CL=50pF
80
120
ns
Output enable time to low level, TPZL
RL=110Ω, CL=50pF
40
60
ns
DRIVER FUNCTION TABLE
DXIN
DX ENABLE
DXY Output
DXZ Output
High level
Low level
High level
Low level
High level
Irrelevant
Low level
High impedance
TEMPERATURE CHARACTERISTICS
Parameter
Min.
Typ.
Max.
Units
Operating free-air temperature range
060
C
Storage temperature range
-40
125
C
1. Duration of short circuit should not exceed 1 second.
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