Datasheet > ADM3491ARZ-1REEL7

ADM3491ARZ-1REEL7

更新时间： 2024-01-25 00:17:50

品牌	Logo	应用领域
亚德诺 - ADI		驱动信息通信管理光电二极管接口集成电路驱动器
页数	文件大小	规格书
16页	250K
描述
3.3V, Full Duplex, 840uA, 20Mbps, EIA RS-485 Transceiver

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技术参数
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ADM3491ARZ-1REEL7 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：	SOP, SOP14,.25
针数：	14	Reach Compliance Code：	compliant
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	5.61	差分输出：	YES
驱动器位数：	1	输入特性：	DIFFERENTIAL SCHMITT TRIGGER
接口集成电路类型：	LINE TRANSCEIVER	接口标准：	EIA-422; EIA-485
JESD-30 代码：	R-PDSO-G14	长度：	8.65 mm
功能数量：	1	端子数量：	14
最高工作温度：	85 °C	最低工作温度：	-40 °C
输出特性：	DIFFERENTIAL	输出极性：	TRUE
封装主体材料：	PLASTIC/EPOXY	封装代码：	SOP
封装等效代码：	SOP14,.25	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE	最大接收延迟：	115 ns
接收器位数：	1	座面最大高度：	1.75 mm
最大压摆率：	1.5 mA	最大供电电压：	3.6 V
最小供电电压：	3 V	标称供电电压：	3.3 V
表面贴装：	YES	技术：	BICMOS
温度等级：	INDUSTRIAL	端子形式：	GULL WING
端子节距：	1.27 mm	端子位置：	DUAL
最大传输延迟：	70 ns	宽度：	3.9 mm
Base Number Matches：	1

ADM3491ARZ-1REEL7 数据手册

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3.3 V, Full-Duplex, 840 μA,

20 Mbps, EIA RS-485 Transceiver

Data Sheet

ADM3491-1

FEATURES

FUNCTIONAL BLOCK DIAGRAM

Operates with 3.3 V supply

EIA RS-422 and RS-485 compliant over full CM range

19 kΩ input impedance

ADM3491-1

Up to 50 transceivers on bus

20 Mbps data rate

Short-circuit protection

Specified over full temperature range

Thermal shutdown

Interoperable with 5 V logic

840 μA supply current

2 nA shutdown current

Available in PDIP, SOIC, and TSSOP

Meets IEC1000-4-4 (>1 kV)

8 ns skew

Figure 1.

Upgrade for MAX3491, SN75ALS180

APPLICATIONS

Telecommunications

DTE–DCE interface

Packet switching

Local area networks

Data concentration

Data multiplexers

Integrated services digital network (ISDN)

AppleTalk

Industrial controls

GENERAL DESCRIPTION

The ADM3491-1 is a low power, differential line transceiver

designed to operate using a single 3.3 V power supply. Low

power consumption, coupled with a shutdown mode, makes it

ideal for power-sensitive applications. It is suitable for commu-

nication on multipoint bus transmission lines.

The input impedance is 19 kΩ, allowing up to 50 transceivers to

be connected on the bus. A thermal shutdown circuit prevents

excessive power dissipation caused by bus contention or by

output shorting. This feature forces the driver output into a high

impedance state if a significant temperature increase is detected

in the internal driver circuitry during fault conditions.

The ADM3491-1 is intended for balanced data transmission

and complies with both Electronic Industries Association (EIA)

Standards RS-485 and RS-422. It contains a differential line

driver and a differential line receiver, making it suitable for full-

duplex data transfer.

If the inputs are unconnected (floating), the receiver contains a

fail-safe feature that results in a logic high output state.

The ADM3491-1 is fabricated on BiCMOS, an advanced mixed

technology process combining low power CMOS with fast

switching bipolar technology.

Rev. C

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 registeredtrademarks arethe property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Technical Support

www.analog.com

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与ADM3491ARZ-1REEL7相关器件

型号	品牌	获取价格	描述	数据表
ADM3491ARZ-REEL	ADI	获取价格	3.3 V Slew Rate Limited, Half- and Full-Duplex, RS-485/RS-422 Transceivers
ADM3491ARZ-REEL7	ADI	获取价格	3.3 V Slew Rate Limited, Half- and Full-Duplex, RS-485/RS-422 Transceivers
ADM3491E	ADI	获取价格	3.3 V, 【15 kV ESD-Protected, Half- and Full-D
ADM3491E_15	ADI	获取价格	Full-Duplex, RS-485/RS-422 Transceivers
ADM3491EARZ	ADI	获取价格	3.3 V, 【15 kV ESD-Protected, Half- and Full-D
ADM3491EARZ-REEL7	ADI	获取价格	3.3 V, 【15 kV ESD-Protected, Half- and Full-D
ADM3493	ADI	获取价格	3.3 V Slew Rate Limited, Half Duplex RS-485/RS-422 Transceiver
ADM3493ARZ	ADI	获取价格	3.3 V Slew Rate Limited, Half Duplex RS-485/RS-422 Transceiver
ADM3493ARZ-REEL7	ADI	获取价格	3.3 V Slew Rate Limited, Half Duplex RS-485/RS-422 Transceiver
ADM383	ADI	获取价格	5 V Low Power, Slew-Rate Limited RS-485/RS-422 Transceiver

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