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参数资料
| 型号： | ADM2687EBRIZ-RL7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 1/24页 |
| 文件大小： | 0K |
| 描述： | IC TXRX ISOLATED RS485 16SOIC |
| 标准包装： | 400 |
| 系列： | isoPower® |
| 类型： | 收发器 |
| 电压 - 隔离： | 5000Vrms |
| 输入类型： | DC |
| 电源电压： | 3.3V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 16-SOIC-IC |
| 包装： | 带卷 (TR) |
5 kV rms Signal and Power Isolated
R S-485 Transceiver with ±15 kV ESD Protection
Data Sheet
FEATURES
FUNCTIONAL BLOCK DIAGRAM
5 kV rms isolated RS-485/RS-422 transceiver, configurable as
half or full duplex
iso Power integrated isolated dc-to-dc converter
V CC
iso Power DC-TO-DC CONVERTER
V ISOOUT
±15 kV ESD protection on RS-485 input/output pins
Complies with ANSI/TIA/EIA-485-A-98 and ISO 8482:1987(E)
OSCILLATOR
RECTIFIER
5 V or 3.3 V operation
Connect up to 256 nodes on one bus
Open- and short-circuit, fail-safe receiver inputs
High common-mode transient immunity: >25 kV/μs
DIGITAL ISOLATION i Coupler
REGULATOR
TRANSCEIVER
V ISOIN
Thermal shutdown protection
Safety and regulatory approvals
TxD
ENCODE
DECODE
D
Y
Z
UL recognition
5000 V rms for 1 minute per UL 1577
DE
ENCODE
DECODE
CSA Component Acceptance Notice #5A (pending)
IEC 60601-1: 400 V rms (basic), 250 V rms (reinforced)
IEC 60950-1: 600 V rms (basic), 380 V rms (reinforced)
RxD
DECODE
ENCODE
R
A
VDE Certificates of Conformity
DIN V VDE V 0884-10 (VDE V 0884-10): 2006-12
B
V IORM = 846 V peak
RE
ADM2682E/ADM2687E
Operating temperature range: ?40°C to +85°C
16-lead wide-body SOIC with >8 mm creepage and clearance
APPLICATIONS
GND 1
ISOLATION
BARRIER
Figure 1.
GND 2
Isolated RS-485/RS-422 interfaces
Industrial field networks
Multipoint data transmission systems
GENERAL DESCRIPTION
The ADM2682E / ADM2687E are fully integrated 5 kV rms
signal and power isolated data transceivers with ±15 kV ESD
protection and are suitable for high speed communication on
include an integrated 5 kV rms isolated dc-to-dc power supply
that eliminates the need for an external dc-to-dc isolation block.
They are designed for balanced transmission lines and comply
with ANSI/TIA/EIA-485-A-98 and ISO 8482:1987(E).
The devices integrate Analog Devices, Inc., i Coupler? technology to
combine a 3-channel isolator, a three-state differential line driver, a
differential input receiver, and Analog Devices iso Power? dc-to-dc
converter into a single package. The devices are powered by a
single 5 V or 3.3 V supply, realizing a fully integrated signal and
power isolated RS-485 solution.
The ADM2682E / ADM2687E drivers have an active high enable.
An active low receiver enable is also provided, which causes the
receiver output to enter a high impedance state when disabled.
The devices have current limiting and thermal shutdown
features to protect against output short circuits and situations
where bus contention may cause excessive power dissipation.
The parts are fully specified over the industrial temperature
range and are available in a highly integrated, 16-lead, wide-
body SOIC package with >8 mm creepage and clearance.
The ADM2682E / ADM2687E contain iso Power technology that
uses high frequency switching elements to transfer power through
the transformer. Special care must be taken during printed circuit
board (PCB) layout to meet emissions standards. Refer to
Radiated Emissions with isoPower Devices , for details on board
layout considerations.
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 ?2011–2013 Analog Devices, Inc. All rights reserved.
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相关代理商/技术参数 |
参数描述 |
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| ADM2687EBRWZ | 制造商:Analog Devices 功能描述: |
| ADM2795EARWZ | 功能描述:1/1 Transceiver Half RS422, RS485 16-SOIC 制造商:analog devices inc. 系列:- 包装:管件 零件状态:在售 类型:收发器 协议:RS422，RS485 驱动器/接收器数:1/1 双工:半 接收器滞后:30mV 数据速率:2.5Mbps 电压 - 电源:1.7 V ~ 5.5 V 工作温度:-40°C ~ 85°C（TA） 安装类型:表面贴装 封装/外壳:16-SOIC（0.209"，5.30mm 宽） 供应商器件封装:16-SOIC 标准包装:47 |
| ADM2795EARWZ-RL7 | 功能描述:IC TXRX 1/1 RS422/RS485 16-SOIC 制造商:analog devices inc. 系列:- 包装:带卷（TR） 零件状态:在售 类型:收发器 协议:RS422，RS485 驱动器/接收器数:1/1 双工:半 接收器滞后:30mV 数据速率:2.5Mbps 电压 - 电源:1.7 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:16-SOIC（0.209"，5.30mm 宽） 供应商器件封装:16-SOIC 标准包装:400 |
| ADM2795EBRWZ | 功能描述:1/1 Transceiver Half RS422, RS485 制造商:analog devices inc. 系列:- 包装:管件 零件状态:在售 类型:收发器 协议:RS422，RS485 驱动器/接收器数:1/1 双工:半 接收器滞后:30mV 数据速率:2.5Mbps 电压 - 电源:1.7 V ~ 5.5 V 工作温度:-40°C ~ 125°C（TA） 安装类型:* 封装/外壳:* 供应商器件封装:* 标准包装:47 |
| ADM2795EBRWZ-RL7 | 功能描述:IC TXRX 1/1 RS422/RS485 16-SOIC 制造商:analog devices inc. 系列:- 包装:带卷（TR） 零件状态:在售 类型:收发器 协议:RS422，RS485 驱动器/接收器数:1/1 双工:半 接收器滞后:30mV 数据速率:2.5Mbps 电压 - 电源:1.7 V ~ 5.5 V 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:16-SOIC（0.209"，5.30mm 宽） 供应商器件封装:16-SOIC 标准包装:400 |
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