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ADM3260ARSZ-RL7 其他数据使用手册 - ADI（亚德诺）
制造商:
ADI（亚德诺）
分类:
接口隔离器
封装:
SSOP-20
描述:
数字隔离器 Isolated I2C & Power
Pictures:
3D模型
符号图
焊盘图
引脚图
产品图
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引脚图在P11Hot
典型应用电路图在P16
原理图在P1
封装尺寸在P19
型号编码规则在P19
封装信息在P6
功能描述在P1P11P15
技术参数、封装参数在P1P3P4P5P7P10P15
应用领域在P1P15P18
电气规格在P3P4P12
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ADM3260ARSZ-RL7数据手册
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Hot Swappable, Dual I
2
C Isolators with
Integrated DC-to-DC Converter
Data Sheet
ADM3260
Rev. E 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
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 ©2013–2020 Analog Devices, Inc. All rights reserved.
Technical Support www.analog.com
FEATURES
isoPower integrated, isolated dc-to-dc converter
Regulated 3.15 V to 5.25 V output
Up to 150 mW output power
High common-mode transient immunity: >25 kV/µs
iCoupler integrated I
2
C digital isolator
Bidirectional I
2
C communication
3.0 V to 5.5 V supply/logic levels
Open-drain interfaces
Suitable for hot swap applications
30 mA current sink capability
1000 kHz maximum frequency
20-lead SSOP package with 5.3 mm creepage
High temperature operation: 105°C
Safety and regulatory approvals
UL recognition
2500 V rms for 1 minute per UL 1577
CSA Component Acceptance Notice 5A
VDE Certificate of Conformity (pending)
DIN V VDE V 0884-10 (VDE V 0884-10):2006-12
V
IORM
= 560 V peak
APPLICATIONS
Isolated I
2
C, SMBus, and PMBus interfaces
Multilevel I
2
C interfaces
Central office switching
Telecommunication and data communication equipment
−48 V distributed power systems
−48 V power supply modules
Networking
FUNCTIONAL BLOCK DIAGRAM
PDIS
VDDP
VIN
VDDISO
GNDISO
GNDISO
GNDISO
GNDISO
GNDP
GNDP
GNDP
GNDP
NC
NC
SDA1
SCL2
SCL1
VSEL
VISO
SDA2
ENCODE DECODE
DECODE
ENCODE
ENCODE DECODE
DECODE
ENCODE
ADM3260
PCS
OSC
RECT
REG
POWER ISOLATION
SIGNAL ISOLATION
11890-001
Figure 1.
Table 1. Power Levels for Isolated Converter
Input Voltage (V) Output Voltage (V) Output Power (mW)
5.0 5.0 150
5.0 3.3 100
3.3 3.3 66
GENERAL DESCRIPTION
Based on the iCoupler® and iso Power® chip scale transformer
technology, the ADM3260
1
is a hot swappable digital and power
isolator with two nonlatching, bidirectional communication
channels, supporting a complete isolated I
2
C interface, and an
integrated isolated dc-to-dc converter, supporting up to
150 mW of isolated power conversion.
iCoupler is a chip scale transformer technology with functional,
performance, size, and power consumption advantages as
compared to optocouplers. The bidirectional I
2
C channels
eliminate the need for splitting I
2
C signals into separate transmit
and receive signals for use with standalone optocouplers.
Based on the Analog Devices, Inc., isoPower technology, the
on-chip isolated dc-to-dc converter provides a regulated, isolated
voltage of 3.15 V to 5.25 V with up to 150 mW of output power
(see Figure 1).
With the ADM3260, the iCoupler and isoPower channels, along
with the I
2
C transceivers, can be integrated with semiconductor
circuitry, which enables a complete isolated I
2
C interface and
allows the power converter to be implemented in a small form
factor. The ADM3260 is available in 20-lead SSOP package and
has an operating temperature range of −40°C to+105°C.
isoPower uses high frequency switching elements to transfer power
through its transformer. Special care must be taken during printed
circuit board (PCB) layout to meet emissions standards. See the
AN-0971 Application Note for board layout recommendations.
1
Protected by U.S. Patents 5,952,849; 6,873,065; and 7,075,329. Other patents are pending.
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