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NM485DC PDF预览

NM485DC

更新时间: 2024-02-24 22:38:22
品牌 Logo 应用领域
村田 - MURATA 驱动光电二极管接口集成电路驱动器
页数 文件大小 规格书
6页 287K
描述
Line Transceiver, 2 Func, 2 Driver, 2 Rcvr, PDIP24, DIL-24

NM485DC 技术参数

是否无铅:不含铅是否Rohs认证:符合
生命周期:Obsolete零件包装代码:DIP
包装说明:DIP, DIP24,.6针数:24
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.54
Is Samacsys:N差分输出:YES
驱动器位数:2高电平输入电流最大值:0.00002 A
输入特性:DIFFERENTIAL SCHMITT TRIGGER接口集成电路类型:LINE TRANSCEIVER
接口标准:EIA-485; V.28JESD-30 代码:R-PDIP-T24
JESD-609代码:e3功能数量:2
端子数量:24最高工作温度:60 °C
最低工作温度:最小输出摆幅:1.5 V
最大输出低电流:0.025 A封装主体材料:PLASTIC/EPOXY
封装代码:DIP封装等效代码:DIP24,.6
封装形状:RECTANGULAR封装形式:IN-LINE
峰值回流温度(摄氏度):NOT SPECIFIED电源:5 V
认证状态:Not Qualified最大接收延迟:155 ns
接收器位数:2座面最大高度:7.6 mm
子类别:Line Driver or Receivers最大供电电压:5.25 V
最小供电电压:4.75 V标称供电电压:5 V
表面贴装:NO温度等级:COMMERCIAL
端子面层:MATTE TIN OVER NICKEL端子形式:THROUGH-HOLE
端子节距:2.54 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED最大传输延迟:145 ns
宽度:15.24 mmBase Number Matches:1

NM485DC 数据手册

 浏览型号NM485DC的Datasheet PDF文件第2页浏览型号NM485DC的Datasheet PDF文件第3页浏览型号NM485DC的Datasheet PDF文件第4页浏览型号NM485DC的Datasheet PDF文件第5页浏览型号NM485DC的Datasheet PDF文件第6页 
NM485DC Series  
s
Isolated Dual EIA-485 Driver and Receiver  
ELECTRICAL CHARACTERISTICS  
Parameter  
Supply voltage, VCC  
Test conditions  
DX ENABLE and D inputs  
Driver  
Min.  
4.75  
2.8  
Typ.  
5.0  
Max.  
5.25  
Units  
V
High level input voltage, VIH  
Low level input voltage, VIL  
Common mode output voltage, VOC  
High level output current IOH  
Low level output current, IOL  
Common mode input voltage, VIC  
Differential input voltage, VID  
High level output current, IOH  
Low level output current, IOL  
V
0.8  
12  
V
-7.0  
V
-60  
60  
mA  
mA  
V
12  
12  
V
Receiver  
-5.0  
25  
mA  
mA  
FEATURES  
„RoHS compliant  
EACH RECEIVER ELECTRICAL CHARACTERISTICS  
„Single 5V supply  
Parameter  
Test conditions  
VO=2.7V, IO=-0.4mA  
VO=0.5V, IO=16mA  
Min.  
-0.2  
2.7  
Typ.  
50  
Max.  
0.2  
Units  
V
High threshold differential input, VTH  
Low threshold differential input, VTL  
Input hysteresis, ΔVT  
„Thermal shutdown protection  
„EIA-485 and CCITT V.28 compatible  
„Dual differential driver and receiver  
„Driver tri-state outputs active high enable  
„Low Profile 24 pin DIL package style  
„1kVrms Isolation  
V
mV  
V
High level output voltage, VOH  
Low level output voltage, VOL  
VID=200mV, IOH=-5.0mA  
VID=200mV, IOL=25mA  
Other input at 0V, VI=12V  
Other input at 0V, VI=-12V  
0.8  
1.0  
V
mA  
mA  
mA  
KΩ  
Line input current, II  
-0.8  
-15  
Short circuit output current, IOS  
Input resistance, RI  
12  
DESCRIPTION  
RECEIVER SWITCHING CHARACTERISTICS  
The NM485DC is an electrically isolated dual  
differential driver and receiver designed for bal-  
anced mulipoint bus transmission at rates up to  
1.25Mbits per second. The device provides two  
receive channels and two driver channels. The  
two driver channels have an active high enable.  
No external components are needed and a single  
5V input supply powers all functions either side of  
the isolation boundary. The driver outputs provide  
limiting for positive and negative currents and  
thermal shutdown protection from line fault condi-  
tions on the transmission bus line. The receiver  
outputs will always be high if the receiver inputs  
are open. The isolation voltage between input and  
output is 1000Vrms, the devices are supplied in a  
low profile 24 pin DIL plastic package.  
Parameter  
Propagation delay time L to H, TPLH  
Propagation delay time H to L, TPHL  
Test conditions  
VID=-1.5V to 1.5V, CL=15pF  
Min.  
Typ.  
70  
72  
Max.  
155  
135  
Units  
ns  
ns  
RECEIVER FUNCTION TABLE  
Differential inputs A-B  
RXOUT  
VID≥0.2V  
-0.2V<VID<+0.2V  
VID≤-0.2V  
High level  
Undefined  
Low level  
ISOLATION CHARACTERISTICS  
Parameter  
Isolation test voltage  
Conditions  
Flash tested for 1 second  
Min.  
1000  
Typ.  
Max.  
Units  
Vrms  
ABSOLUTE MAXIMUM RATINGS  
Supply voltage VCC with respect to pin 11  
Input voltage DX ENABLE and D inputs  
7V  
7V  
Input voltage range, receiver A or B inputs  
Receiver differential input voltage range  
Output voltage range, driver  
-25V to +25V  
-25V to +25V  
-10V to +15V  
2000mW  
Power dissipation  
Isolation capacitance  
40pF  
Isolation voltage (flash tested for 1 second)  
Data transmission rate  
1000Vrms  
1.25Mbps  
300ºC  
Lead temperature 1.5mm from case for 10 seconds  
All data taken at T =25°C, VCC=5V.  
A
For full details go to  
www.murata-ps.com/rohs  
www.murata-ps.com/support  
KII_NM485DC.A07 Page 1 of 6  

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