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ADUM1445

更新时间： 2024-01-07 10:31:13
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
24页 440K
描述
Micropower Quad-Channel Digital Isolators

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ADUM1445 技术参数

是否无铅：含铅是否Rohs认证：符合
生命周期：Active包装说明：QSOP-16
针数：16Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：2.14Samacsys Confidence：4
Samacsys Status：Released2D Presentation：https://componentsearchengine.com/2D/0T/421366.1.1.png
Schematic Symbol：https://componentsearchengine.com/symbol.php?partID=421366PCB Footprint：https://componentsearchengine.com/footprint.php?partID=421366
3D View：https://componentsearchengine.com/viewer/3D.php?partID=421366Samacsys PartID：421366
Samacsys Image：https://componentsearchengine.com/Images/9/ADUM1445ARQZ.jpgSamacsys Thumbnail Image：https://componentsearchengine.com/Thumbnails/1/ADUM1445ARQZ.jpg
Samacsys Pin Count：16Samacsys Part Category：Integrated Circuit
Samacsys Package Category：Small Outline PackagesSamacsys Footprint Name：ADUM1445ARQZ
Samacsys Released Date：2016-12-11 16:04:04Is Samacsys：N
接口集成电路类型：INTERFACE CIRCUITJESD-30 代码：R-PDSO-G16
JESD-609代码：e3长度：4.9 mm
湿度敏感等级：1功能数量：1
端子数量：16最高工作温度：125 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：SSOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, SHRINK PITCH峰值回流温度（摄氏度）：260
座面最大高度：1.75 mm最大供电电压：3.6 V
最小供电电压：2.25 V标称供电电压：2.5 V
电源电压1-最大：3.6 V电源电压1-分钟：2.25 V
电源电压1-Nom：2.5 V表面贴装：YES
技术：CMOS温度等级：AUTOMOTIVE
端子面层：MATTE TIN端子形式：GULL WING
端子节距：0.64 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：3.91 mm
Base Number Matches：1

ADUM1445 数据手册

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Micropower  
Quad-Channel Digital Isolators  
Data Sheet  
ADuM1440/ADuM1441/ADuM1442/ADuM1445/ADuM1446/ADuM1447  
FEATURES  
FUNCTIONAL BLOCK DIAGRAM  
Ultralow power operation  
3.3 V operation (typical)  
1
2
3
16  
15  
14  
V
V
DD1  
ADuM144x  
QSOP  
DD2  
GND  
GND  
1
2
5.6 µA per channel quiescent current, refresh enabled  
0.3 µA per channel quiescent current, refresh disabled  
148 µA/Mbps per channel typical dynamic current  
2.5 V operation (typical)  
3.1 µA per channel quiescent current, refresh enabled  
0.1 µA per channel quiescent current, refresh disabled  
117 µA/Mbps per channel typical dynamic current  
Small, 16-lead QSOP  
V
V
ENCODE  
ENCODE  
ENCODE  
ENCODE  
DECODE  
DECODE  
DECODE  
DECODE  
V
V
V
V
IA  
OA  
4
5
13  
12  
IB  
OB  
V
V
/V  
IC OC  
/V  
OC IC  
6
7
8
11  
10  
9
/V  
ID OD  
/V  
OD ID  
EN  
EN  
2
1
1
GND  
GND  
2
Figure 1.  
Bidirectional communication  
Up to 2 Mbps data rate (NRZ)  
High temperature operation: 125°C  
High common-mode transient immunity: >25 kV/µs  
Safety and regulatory approvals  
UL 1577 Component Recognition Program (pending)  
2500 V rms for 1 minute per UL 1577  
CSA Component Acceptance Notice #5A (pending)  
VDE Certificate of Conformity (pending)  
DIN V VDE V 0884-10 (VDE V 0884-10):2006-12  
The ADuM1440/ADuM1441/ADuM1442/ADuM1445/  
ADuM1446/ADuM1447 family of quad 2.5 kV digital isolation  
devices are packaged in a small 16-lead QSOP, freeing almost  
70% of board space compared to isolators packages in wide  
body SOIC packages. The devices withstand high isolation  
voltages and meet regulatory requirements, such as UL and  
CSA standards (pending). In addition to the space savings, the  
ADuM1440/ADuM1441/ADuM1442/ADuM1445/ADuM1446/  
ADuM1447 operate with supplies as low as 2.25 V.  
V
IORM = 560 VPEAK  
APPLICATIONS  
General-purpose, low power multichannel isolation  
1 MHz, low power peripheral interface (SPI)  
4 mA to 20 mA loop process controls  
Despite the low power consumption, all models of the ADuM1440/  
ADuM1441/ADuM1442/ADuM1445/ADuM1446/ADuM1447  
provide low, pulse width distortion at <8 ns. In addition, every  
model has an input glitch filter to protect against extraneous  
noise disturbances.  
GENERAL DESCRIPTION  
The ADuM1440/ADuM1441/ADuM1442/ADuM1445/  
ADuM1446/ADuM14471 are micropower, 4-channel digital  
isolators based on the Analog Devices, Inc., iCoupler® technology.  
Combining high speed, complementary metal oxide semiconductor  
(CMOS) and monolithic air core transformer technologies,  
these isolation components provide outstanding performance  
characteristics superior to the alternatives, such as optocoupler  
devices. As shown in Figure 2, in standard operating mode,  
when ENx = 0 (internal refresh enabled), the current per channel is  
less than 10 µA. When ENx = 1 (internal refresh disabled), the  
current per channel drops to less than 1 µA.  
1000  
100  
10  
EN = 0  
x
EN = 1  
x
1
0.1  
0.1  
1
10  
100  
1000  
10000  
DATA RATE (Mbps)  
Figure 2. Typical Total Supply Current per Channel (VDDx = 3.3 V)  
1 Protected by U.S. Patents 5,952,849, 6,873,065, 7,075,329, 6,262,600. Other patents pending.  
Rev. 0  
Document Feedback  
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  
rightsof third parties that may result fromits use. Specifications subject to change without notice. No  
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.  
Trademarks andregisteredtrademarks are the property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700  
Technical Support  
©2013 Analog Devices, Inc. All rights reserved.  
www.analog.com  
 
 
 
 
 
 
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