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ADM1487AR PDF预览

ADM1487AR

更新时间: 2024-02-15 21:25:02
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信息通信管理
页数 文件大小 规格书
8页 378K
描述
Ultra-Low Power RS-485/RS-422 Transceiver with Low EMI and +/-10kV ESD Protection

ADM1487AR 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:SOIC包装说明:SOP, SOP8,.25
针数:8Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.23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; EIA-485
JESD-30 代码:R-PDSO-G8JESD-609代码:e0
长度:4.9 mm功能数量:1
端子数量:8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封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装等效代码:SOP8,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
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:250 ns
接收器位数:1座面最大高度:2.59 mm
子类别:Line Driver or Receivers最大压摆率:0.2 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:YES
技术:BICMOS温度等级:COMMERCIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:GULL WING
端子节距:1.27 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:1200 ns
宽度:3.9 mmBase Number Matches:1

ADM1487AR 数据手册

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PRELIMINARY TECHNICAL DATA  
Ultra-LowPowerRS-485/RS-422Transceiver  
a
with Low EMI and +/-10kV ESD Protection  
ADM1487  
Preliminary Technical Data  
FEATURES  
GENERAL DESCRIPTION  
Low Power - 120µA Max ICC with Driver Disabled  
The ADM1487 is an ultra-low power RS-485/RS-422  
transceiver consisting of one driver and one receiver per  
package. Quiescent operating current is typically 80µA  
and 1µA in shutdown mode. The driver and receiver both  
have three-state outputs. This allows multiple drivers to be  
connected to an RS-485/RS-422 bus, or several receiver  
outputs to be connected to a serial data bus. The driver  
will maintain a high-impedance output state even with  
power off, while the receiver features fail-safe operation  
that guarantees a logic high output if the inputs are left  
open-circuit.  
High Input Impedance — Up to 256 Transceivers on Bus  
Low-Current (1µA) Shutdown Mode  
Slew Rate Control for Error-Free Data  
Transmission and Low EMI  
±10ꢀk ESD Protection (Human Bodꢁ Model) on  
RS-485 I/O pins  
Thermal Protection of Driver  
Glitch-Free Driver Power-Up Allows Hot Connection  
Driver Maintains High Output Impedance with Power  
Off  
The device has slew-rate limited drivers to minimize elec-  
tromagnetic interference (EMI) and reduce reflections  
caused by incorrectly terminated cables.  
Wide Common-Mode Range Allows ±±k Ground Differ-  
ences Between Devices  
Pin-Compatible with Industrꢁ Standard ±51±6  
APPLICATIONS  
Batterꢁ-Powered RS-485/RS-422 Sꢁstems  
Level Translation  
FUNCTIONAL BLOCK DIAGRAM  
RO  
RE  
DE  
DI  
V
1
2
3
4
8
7
6
5
CC  
R
B
A
D
GND  
ADM1487  
REV. PrC 08/02  
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  
which may result from its use. No license is granted by implication or  
otherwise under any patent or patent rights of Analog Devices.  
One Technologꢁ Waꢁ, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: ±81/329-4±00  
Fax: ±81/326-8±03  
www.analog.com  
Analog Devices, Inc., 2002  
–1–  

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