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参数资料
| 型号： | ADUM7241CRZ-RL7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 1/16页 |
| 文件大小： | 0K |
| 描述： | ISOLATOR DGTL 1KVRMS 2CH 8SOIC |
| 标准包装： | 1,000 |
| 系列： | * |
1 kV, Dual Channel Digital Isolators
Data Sheet
FEATURES
ADuM7240 / ADuM7241
FUNCTIONAL BLOCK DIAGRAMS
Narrow-body, RoHS-compliant, 8-lead SOIC
Safety and regulatory approvals
V DD1 1
ADuM7240
8
V DD2
UL recognition (pending)
UL 1577: 1000 V rms for 1 minute
Low power operation
5 V operation
V IA 2
V IB 3
GND 1 4
ENCODE
ENCODE
DECODE
DECODE
7
6
5
V OA
V OB
GND 2
2.4 mA per channel maximum at 0 Mbps to 1 Mbps
11.8 mA per channel maximum at 25 Mbps
3.3 V operation
Figure 1. ADuM7240
1.7 mA per channel maximum at 0 Mbps to 1 Mbps
8.2 mA per channel maximum at 25 Mbps
V DD1 1
ADuM7241
8
V DD2
Bidirectional communication
Up to 25 Mbps data rate (NRZ)
3 V/5 V level translation
High temperature operation: 105°C
V OA 2
V IB 3
GND 1 4
DECODE
ENCODE
ENCODE
DECODE
7
6
5
V IA
V OB
GND 2
High common-mode transient immunity: >15 kV/μs
APPLICATIONS
General-purpose multichannel isolation
Data converter isolation
Industrial field bus isolation
GENERAL DESCRIPTION
The ADuM7240 / ADuM7241 1 are dual channel digital isolators
based on the Analog Devices, Inc., i Coupler? technology.
Combining high speed CMOS and monolithic air core trans-
former technologies, these isolation components provide
outstanding performance characteristics superior to the alterna-
tives, such as optocoupler devices and other integrated couplers.
The ADuM7240 / ADuM7241 dual 1 kV digital isolation devices
are packaged in a narrow-body 8-lead SOIC. The ADuM7240 /
ADuM7241 offer a cost-effective option compared to 2.5 kV or
5 kV isolators where only functional isolation is needed.
Like other Analog Devices isolators, the ADuM7240 / ADuM7241
offer very low power consumption, consuming one-tenth to
one-sixth the power of comparable isolators at data rates up to
25 Mbps. Despite the low power consumption, all models of the
Figure 2. ADuM7241
ADuM7240 / ADuM7241 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 ADuM7240 / ADuM7241 provide two independent
isolation channels and are available in two channel configura-
tions with 1 Mbps or 25 Mbps data rates (see the Ordering
Guide). 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. The ADuM7240 /
ADuM7241 also have an output default high logic state in the
absence of input power.
1
Protected by U.S. Patents 5,952,849; 6,873,065; and 7,075,329. Other patents pending.
Rev. A
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 ?2012 Analog Devices, Inc. All rights reserved.
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| ADUM7410BRQZ-RL7 | 制造商:Analog Devices 功能描述: |
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| ADUM7440ARQZ | 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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