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| 型号： | ADUM7441ARQZ-RL7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 1/20页 |
| 文件大小： | 0K |
| 描述： | IC DIGITAL ISOLATOR 4CH 16QSOP |
| 产品培训模块： | iCoupler Digital Isolater Technology |
| 标准包装： | 1,000 |
| 系列： | iCoupler® |
| 输入 - 1 侧/2 侧： | 3/1 |
| 通道数： | 4 |
| 电源电压： | 3 V ~ 5.5 V |
| 电压 - 隔离： | 1000Vrms |
| 数据速率： | 1Mbps |
| 传输延迟： | 75ns |
| 输出类型： | 逻辑 |
| 封装/外壳： | 16-SSOP（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-QSOP |
| 包装： | 带卷 (TR) |
| 工作温度： | -40°C ~ 105°C |
1 kV RMS Quad-Channel Digital Isolators
Data Sheet
FEATURES
Small, 16-lead QSOP
1000 V rms isolation rating
Safety and regulatory approvals
UL recognition
UL 1577: 1000 V rms for 1 minute
CSA Component Acceptance Notice #5A (pending)
Low power operation
5 V operation
2.25 mA per channel maximum @ 0 Mbps to 1 Mbps
11.5 mA per channel maximum @ 25 Mbps
3.3 V operation
1.5 mA per channel maximum @ 0 Mbps to 1 Mbps
8.25 mA per channel maximum @ 25 Mbps
Bidirectional communication
Up to 25 Mbps data rate (NRZ)
3 V/5 V level translation
High temperature operation: 105°C
High common-mode transient immunity: >15 kV/μs
APPLICATIONS
General-purpose, multichannel isolation
SPI interface/data converter isolation
RS-232/RS-422/RS-485 transceivers
Industrial field bus isolation
ADuM7440/ADuM7441/ADuM7442
GENERAL DESCRIPTION
The ADuM744x 1 are 4-channel digital isolators based on the
Analog Devices, Inc., i Coupler? technology. Combining high
speed CMOS and monolithic air core transformer technologies,
these isolation components provide outstanding performance
characteristics superior to the alternatives, such as optocoupler
devices and other integrated couplers.
The ADuM744x family of quad 1 kV digital isolation devices
is packaged in a small 16-lead QSOP. While most 4-channel
isolators come in 16-lead wide SOIC packages, the ADuM744x
frees almost 70% of board space and yet can still withstand high
isolation voltage and meet regulatory requirements such as UL
and CSA standards (pending). In addition to the space savings,
the ADuM744x offers a lower price than 2.5 kV or 5 kV
isolators where only functional isolation is needed.
This family, like many Analog Devices isolators, offers very
low power consumption, consuming one-tenth to one-sixth
the power of comparable isolators at comparable data rates up
to 25 Mbps. Despite the low power consumption, all models of
the ADuM744x provide low pulse width distortion (< 5 ns for
C grade). In addition, every model has an input glitch filter to
protect against extraneous noise disturbances.
The ADuM744x isolators provide four independent isolation
channels in a variety of channel configurations and two data
rates (see the Ordering Guide) up to 25 Mbps. All models
operate with the supply voltage on either side ranging from
3.0 V to 5.5 V, providing compatibility with lower voltage
systems as well as enabling voltage translation functionality
across the isolation barrier. All products also have an output
default high logic state in the absence of the input power.
1
Protected by U.S. Patents 5,952,849, 6,873,065 and 7,075,329. Other patents
pending.
FUNCTIONAL BLOCK DIAGRAMS
V DD1A 1
GND 1 2
ADuM7440
16
15
V DD2A
GND 2
V DD1A 1
GND 1 2
ADuM7441
16 V DD2A
15 GND 2
V DD1A 1
GND 1 2
ADuM7442
16 V DD2A
15 GND 2
V IA 3
V IB 4
V IC 5
V ID 6
ENCODE
ENCODE
ENCODE
ENCODE
DECODE
DECODE
DECODE
DECODE
14
13
12
11
V OA
V OB
V OC
V OD
V IA 3
V IB 4
V IC 5
V OD 6
ENCODE
ENCODE
ENCODE
DECODE
DECODE
DECODE
DECODE
ENCODE
14 V OA
13 V OB
12 V OC
11 V ID
V IA 3
V IB 4
V OC 5
V OD 6
ENCODE
ENCODE
DECODE
DECODE
DECODE
DECODE
ENCODE
ENCODE
14 V OA
13 V OB
12 V IC
11 V ID
V DD1B 7
GND 1 8
10
9
V DD2B
GND 2
V DD1B 7
GND 1 8
10 V DD2B
9 GND 2
V DD1B 7
GND 1 8
10 V DD2B
9 GND 2
Figure 1. ADuM7440
Figure 2. ADuM7441
Figure 3. ADuM7442
Rev. C
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.
Trademarks and registered trademarks 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 www.analog.com
Fax: 781.461.3113 ?2009–2012 Analog Devices, Inc. All rights reserved.
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相关代理商/技术参数 |
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| ADUM7441BRQZ | 制造商:Analog Devices 功能描述: |
| ADUM7441CRQZ | 功能描述:IC ISOLATOR DGTL QUAD 16QSOP RoHS:是 类别:隔离器 >> 数字隔离器 系列:iCoupler® 标准包装:66 系列:iCoupler® 输入 - 1 侧/2 侧:2/2 通道数:4 电源电压:3.3V，5V 电压 - 隔离:2500Vrms 数据速率:25Mbps 传输延迟:60ns 输出类型:逻辑 封装/外壳:20-SSOP（0.209"，5.30mm 宽） 供应商设备封装:20-SSOP 包装:管件 工作温度:-40°C ~ 105°C |
| ADUM7441CRQZ | 制造商:Analog Devices 功能描述:IC, DIG ISOLATOR |
| ADUM7441CRQZ-RL7 | 功能描述:IC DIGITAL ISOLATOR 4CH 16QSOP RoHS:是 类别:隔离器 >> 数字隔离器 系列:iCoupler® 产品培训模块:IsoLoop® Isolator 标准包装:50 系列:IsoLoop® 输入 - 1 侧/2 侧:5/0 通道数:5 电源电压:3 V ~ 5.5 V 电压 - 隔离:2500Vrms 数据速率:110Mbps 传输延迟:12ns 输出类型:CMOS 封装/外壳:16-SOIC（0.154"，3.90mm 宽） 供应商设备封装:16-SOIC N 包装:管件 工作温度:-40°C ~ 85°C 其它名称:390-1053-5 |
| ADUM7442ARQZ | 功能描述:IC ISOLATOR DGTL QUAD 16QSOP RoHS:是 类别:隔离器 >> 数字隔离器 系列:iCoupler® 标准包装:66 系列:iCoupler® 输入 - 1 侧/2 侧:2/2 通道数:4 电源电压:3.3V，5V 电压 - 隔离:2500Vrms 数据速率:25Mbps 传输延迟:60ns 输出类型:逻辑 封装/外壳:20-SSOP（0.209"，5.30mm 宽） 供应商设备封装:20-SSOP 包装:管件 工作温度:-40°C ~ 105°C |
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