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MAX491ECPD

更新时间： 2024-11-04 22:39:19
品牌 Logo 应用领域
美信 - MAXIM 线路驱动器或接收器驱动程序和接口接口集成电路光电二极管
页数 文件大小 规格书
16页 135K
描述
【15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers

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中文翻译

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MAX491ECPD 技术参数

是否无铅： 含铅是否Rohs认证： 不符合
生命周期：Obsolete零件包装代码：DIP
包装说明：0.300 INCH, PLASTIC, MS-001AC, DIP-14针数：14
Reach Compliance Code：not_compliantECCN代码：5A991.B.4
HTS代码：8542.39.00.01风险等级：5.21
Is Samacsys：N其他特性：1 RECEIVER ACTIVE UNDER SHUTDOWN; TRISTATABLE RECEIVER
差分输出：YES驱动器位数：1
高电平输入电流最大值：0.000002 A输入特性：DIFFERENTIAL SCHMITT TRIGGER
接口集成电路类型：LINE TRANSCEIVER接口标准：EIA-422; EIA-485
JESD-30 代码：R-PDIP-T14JESD-609代码：e0
长度：19.05 mm湿度敏感等级：1
功能数量：1端子数量：14
最高工作温度：70 °C最低工作温度：
最小输出摆幅：1.5 V最大输出低电流：0.004 A
输出极性：COMPLEMENTARY封装主体材料：PLASTIC/EPOXY
封装代码：DIP封装等效代码：DIP14,.3
封装形状：RECTANGULAR封装形式：IN-LINE
峰值回流温度（摄氏度）：245电源：5 V
认证状态：Not Qualified最大接收延迟：150 ns
接收器位数：1座面最大高度：4.572 mm
子类别：Line Driver or Receivers最大压摆率：0.5 mA
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
技术：CMOS温度等级：COMMERCIAL
端子面层：Tin/Lead (Sn85Pb15)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：60 ns
宽度：7.62 mmBase Number Matches：1

MAX491ECPD 数据手册

 浏览型号MAX491ECPD的Datasheet PDF文件第2页浏览型号MAX491ECPD的Datasheet PDF文件第3页浏览型号MAX491ECPD的Datasheet PDF文件第4页浏览型号MAX491ECPD的Datasheet PDF文件第5页浏览型号MAX491ECPD的Datasheet PDF文件第6页浏览型号MAX491ECPD的Datasheet PDF文件第7页 
19-0410; Rev 3; 7/96  
±1 5 k V ES D-P ro t e c t e d , S le w -Ra t e -Lim it e d ,  
Lo w -P o w e r, RS -4 8 5 /RS -4 2 2 Tra n s c e ive rs  
35–9/MAX1487E  
_______________Ge n e ra l De s c rip t io n  
____________________________Fe a t u re s  
♦ ESD Protection: ±15kV—Human Body Model  
The MAX481E, MAX483E, MAX485E, MAX487E–MAX491E,  
and MAX1487E are low-power transceivers for RS-485 and  
RS-422 communications in harsh environments. Each driver  
output and receiver input is protected against ±15kV electro-  
static discharge (ESD) shocks, without latchup. These parts  
c onta in one d rive r a nd one re c e ive r. The MAX483E,  
MAX487E, MAX488E, and MAX489E feature reduced slew-  
rate drivers that minimize EMI and reduce reflections caused  
by improperly terminated cables, thus allowing error-free  
data transmission up to 250kbps. The driver slew rates of the  
MAX481E, MAX485E, MAX490E, MAX491E, and MAX1487E  
are not limited, allowing them to transmit up to 2.5Mbps.  
♦ Slew-Rate Limited for Error-Free Data  
Transmission (MAX483E/487E/488E/489E)  
♦ Low Quiescent Current:  
120µA (MAX483E/487E/488E/489E)  
230µA (MAX1487E)  
300µA (MAX481E/485E/490E/491E)  
♦ -7V to +12V Common-Mode Input Voltage Range  
♦ Three-State Outputs  
♦ 30ns Propagation Delays, 5ns Skew  
(MAX481E/485E/490E/491E/1487E)  
These transceivers draw as little as 120µA supply current  
when unloaded or when fully loaded with disabled drivers  
(s e e Se le c tion Ta b le ). Ad d itiona lly, the MAX481E,  
MAX483E, and MAX487E have a low-current shutdown  
mode in which they consume only 0.5µA. All parts operate  
from a single +5V supply.  
♦ Full-Duplex and Half-Duplex Versions Available  
♦ Allows up to 128 Transceivers on the Bus  
(MAX487E/MAX1487E)  
Drivers are short-circuit current limited, and are protected  
against excessive power dissipation by thermal shutdown  
circuitry that places their outputs into a high-impedance  
state. The receiver input has a fail-safe feature that guaran-  
tees a logic-high output if the input is open circuit.  
♦ Current Limiting and Thermal Shutdown for  
Driver Overload Protection  
The MAX487E and MAX1487E feature quarter-unit-load  
receiver input impedance, allowing up to 128 transceivers  
on the bus. The MAX488E–MAX491E are designed for full-  
duplex communications, while the MAX481E, MAX483E,  
MAX485E, MAX487E, and MAX1487E are designed for half-  
duplex applications. For applications that are not ESD sen-  
sitive se e the p in- a nd func tion-c ompa tible MAX481,  
MAX483, MAX485, MAX487–MAX491, and MAX1487.  
______________Ord e rin g In fo rm a t io n  
PART  
TEMP. RANGE  
0°C to +70°C  
PIN-PACKAGE  
8 Plastic DIP  
8 SO  
MAX481ECPA  
MAX481ECSA  
MAX481EEPA  
MAX481EESA  
0°C to +70°C  
-40°C to +85°C  
-40°C to +85°C  
8 Plastic DIP  
8 SO  
________________________Ap p lic a t io n s  
Low-Power RS-485 Transceivers  
Ordering Information continued on last page.  
Low-Power RS-422 Transceivers  
Level Translators  
Transceivers for EMI-Sensitive Applications  
Industrial-Control Local Area Networks  
______________________________________________________________S e le c t io n Ta b le  
RECEIVER/  
DRIVER  
ENABLE  
QUIESCENT  
CURRENT  
(µA)  
NUMBER OF  
TRANSMITTERS  
ON BUS  
PART  
NUMBER  
HALF/FULL DATA RATE SLEW-RATE LOW-POWER  
PIN  
COUNT  
DUPLEX  
(Mbps)  
LIMITED  
SHUTDOWN  
MAX481E  
MAX483E  
MAX485E  
MAX487E  
MAX488E  
MAX489E  
MAX490E  
MAX491E  
MAX1487E  
Half  
Half  
Half  
Half  
Full  
Full  
Full  
Full  
Half  
2.5  
0.25  
2.5  
No  
Yes  
No  
Yes  
Yes  
No  
Yes  
No  
No  
No  
No  
No  
Yes  
Yes  
Yes  
Yes  
No  
300  
120  
300  
120  
120  
120  
300  
300  
230  
32  
32  
8
8
32  
8
0.25  
0.25  
0.25  
2.5  
Yes  
Yes  
Yes  
No  
128  
32  
8
8
Yes  
No  
32  
14  
8
32  
2.5  
No  
Yes  
Yes  
32  
14  
8
2.5  
No  
128  
________________________________________________________________ Maxim Integrated Products  
1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800  
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中文翻译

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MAX491ECPD 替代型号

型号 品牌 替代类型 描述 数据表
LTC491CN#PBF Linear

完全替代

 LTC491 - Differential Driver and Receiver Pair; Package: PDIP; Pins: 14; Temperature Range
MAX491EPD MAXIM

完全替代

 Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers
MAX491CPD MAXIM

完全替代

 Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers

与MAX491ECPD相关器件

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MAX491ECPD+ MAXIM

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 		Line Transceiver, 1 Func, 1 Driver, 1 Rcvr, CMOS, PDIP14, 0.300 INCH, LEAD FREE, PLASTIC,
MAX491ECSA MAXIM

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 		+15kV ESD-Protected Slew-Rate-Limited Low-Power RS-485/RS-422 Transceivers(122.47 k)
MAX491ECSD MAXIM

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 		【15kV ESD-Protected, Slew-Rate-Limited, Low-P
MAX491ECSD+ MAXIM

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 		Line Transceiver, 1 Func, 1 Driver, 1 Rcvr, CMOS, PDSO14, 0.150 INCH, LEAD FREE, MS-012B,
MAX491ECSD+T MAXIM

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MAX491EEPA MAXIM

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 		+15kV ESD-Protected Slew-Rate-Limited Low-Power RS-485/RS-422 Transceivers(122.47 k)
MAX491EEPD MAXIM

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 		【15kV ESD-Protected, Slew-Rate-Limited, Low-P
MAX491EESA MAXIM

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 		+15kV ESD-Protected Slew-Rate-Limited Low-Power RS-485/RS-422 Transceivers(122.47 k)
MAX491EESD MAXIM

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 		【15kV ESD-Protected, Slew-Rate-Limited, Low-P
MAX491EESD+ MAXIM

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 		Line Transceiver, 1 Func, 1 Driver, 1 Rcvr, CMOS, PDSO14, 0.150 INCH, LEAD FREE, MS-012B,

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