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ADM1490EBRMZ-REEL7 PDF预览

ADM1490EBRMZ-REEL7

更新时间: 2024-02-19 19:10:31
品牌 Logo 应用领域
亚德诺 - ADI 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PC
页数 文件大小 规格书
16页 343K
描述
16 Mbps, ESD Protected, Full-Duplex RS-485 Transceivers

ADM1490EBRMZ-REEL7 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:TSSOP
包装说明:ROHS COMPLIANT, MO-187AA, MSOP-8针数:8
Reach Compliance Code:unknown风险等级:5.48
差分输出:YES驱动器位数:1
输入特性:DIFFERENTIAL SCHMITT TRIGGER接口集成电路类型:LINE TRANSCEIVER
接口标准:EIA-422-B; TIA-422-B; EIA-485-A; TIA-485-AJESD-30 代码:S-PDSO-G8
JESD-609代码:e3长度:3 mm
湿度敏感等级:1功能数量:1
端子数量:8最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:TSSOP封装形状:SQUARE
封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度(摄氏度):260
最大接收延迟:20 ns接收器位数:1
座面最大高度:1.1 mm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:YES温度等级:INDUSTRIAL
端子面层:MATTE TIN端子形式:GULL WING
端子节距:0.65 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:17 ns
宽度:3 mmBase Number Matches:1

ADM1490EBRMZ-REEL7 数据手册

 浏览型号ADM1490EBRMZ-REEL7的Datasheet PDF文件第2页浏览型号ADM1490EBRMZ-REEL7的Datasheet PDF文件第3页浏览型号ADM1490EBRMZ-REEL7的Datasheet PDF文件第4页浏览型号ADM1490EBRMZ-REEL7的Datasheet PDF文件第5页浏览型号ADM1490EBRMZ-REEL7的Datasheet PDF文件第6页浏览型号ADM1490EBRMZ-REEL7的Datasheet PDF文件第7页 
16 Mbps, ESD Protected,  
Full-Duplex RS-485 Transceivers  
ADM1490E/ADM1491E  
FEATURES  
FUNCTIONAL BLOCK DIAGRAMS  
V
CC  
RS-485/RS-422 full-duplex transceiver for high speed motor  
control applications  
16 Mbps data rate  
ADM1490E  
A
B
8 ꢀV ESD protection on RS-485 input/output pins  
Complies with ANSI/TIA/EIA-485-A-1998  
Open circuit fail-safe  
Suitable for 5 V power supply applications  
32 nodes on the bus (1 unit load)  
Thermal shutdown protection  
Operating temperature range: −40°C to +85°C  
ADM1490E pacꢀages  
RO  
DI  
R
Z
Y
D
GND  
Narrow body, 8-lead SOIC  
8-lead MSOP  
ADM1491E pacꢀages  
Figure 1.  
V
CC  
Narrow-body, 14-lead SOIC  
10-lead MSOP  
ADM1491E  
A
B
RO  
R
APPLICATIONS  
RE  
DE  
RS-485/RS-422 interfaces  
Industrial field networꢀs  
High data rate motor control  
Multipoint data transmission systems  
Single-ended-to-differential signal conversion  
Z
Y
D
DI  
GND  
Figure 2.  
GENERAL DESCRIPTION  
The ADM1490E/ADM1491E are RS-485/RS-422 transceivers  
with 8 ꢀk ESD protection and are suitable for high speed, full-  
duplex communication on multipoint transmission lines. In  
particular, the ADM1490E/ADM1491E are designed for use in  
motor control applications requiring communications at data rates  
up to 16 Mbps.  
maximum output current to 250 mA during fault conditions.  
A thermal shutdown circuit senses if the die temperature rises  
above 150°C and forces the driver outputs into a high impedance  
state under this condition.  
The receiver of the ADM1490E/ADM1491E contains a fail-safe  
feature that results in a logic high output state if the inputs are  
unconnected (floating).  
The ADM1490E/ADM1491E are designed for balanced trans-  
mission lines and comply with TIA/EIA-485-A-98. The devices  
each have a 12 ꢀΩ receiver input impedance for unit load RS-  
485 operation, allowing up to 32 nodes on the bus.  
The ADM1490E/ADM1491E feature extremely fast and closely  
matched switching times. Minimal driver propagation delays  
permit transmission at data rates up to 16 Mbps, and low sꢀew  
minimizes EMI interference.  
The differential transmitter outputs and receiver inputs feature  
electrostatic discharge circuitry that provides protection to 8 ꢀk  
using the human body model (HBM).  
The ADM1490E/ADM1491E are fully specified over the  
commercial and industrial temperature ranges. The ADM1490E  
is available in two pacꢀages: a narrow body, 8-lead SOIC and an  
8-lead MSOP. The ADM1491E is also available in two pacꢀages:  
a narrow body, 14-lead SOIC and a 10-lead MSOP.  
The ADM1490E/ADM1491E operate from a single 5 k power  
supply. Excessive power dissipation caused by bus contention or  
output shorting is prevented by short-circuit protection and  
thermal circuitry. Short-circuit protection circuits limit the  
Rev. B  
Information furnished by Analog Devices is believed to be accurate and reliable. However, no  
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other  
rights of third parties that may result from its use. Specifications subject to change without notice. No  
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.  
Trademarꢀs and registeredtrademarꢀs arethe property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700  
www.analog.com  
Fax: 781.461.3113 ©2008–2009 Analog Devices, Inc. All rights reserved.  
 

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