Datasheet > 驱动程序和接口 > 线路驱动器或接收器> ADM3491ARZ

ADM3491ARZ

更新时间： 2024-11-18 04:04:39

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
20页	460K
描述
3.3 V Slew Rate Limited, Half- and Full-Duplex, RS-485/RS-422 Transceivers

阅读下载

中文翻译

获取价格

数据手册
替代型号

如果您发现信息不准确，欢迎纠错

ADM3491ARZ 数据手册

3.3 V Slew Rate Limited, Half- and

Full-Duplex, RS-485/RS-422 Transceivers

ADM3483/ADM3485/ADM3488/ADM3490/ADM3491

FUNCTIONAL BLOCK DIAGRAMS

FEATURES

Operate with 3.3 V supply

Interoperable with 5 V logic

EIA RS-422 and RS-485 compliant over full

common-mode range

Data rate options

ADM3483/ADM3488: 250 kbps

ADM3483/

ADM3485

ADM3485/ADM3490/ADM3491: 10 Mbps

Half- and full-duplex options

Reduced slew rates for low EMI (ADM3483 and ADM3488)

2 nA supply current in shutdown mode

(ADM3483/ADM3485/ADM3491)

GND

Figure 1.

Up to 32 transceivers on the bus

−7 V to +12 V bus common-mode range

Specified over the –40°C to +85°C temperature range

8 ns skew (ADM3485/ADM3490/ADM3491)

8-lead SOIC and 14-lead SOIC (ADM3491 only) packages

ADM3488/

ADM3490

APPLICATIONS

Low power RS-485/RS-422 applications

Telecom

Industrial process control

HVAC

GND

Figure 2.

GENERAL DESCRIPTION

ADM3491

The ADM3483/ADM3485/ADM3488/ADM3490/ADM3491 are

low power, differential line transceivers designed to operate using a

single 3.3 V power supply. Low power consumption, coupled with a

shutdown mode, makes the ADM3483/ADM3485/ADM3488/

ADM3490/ADM3491 ideal for power-sensitive applications.

The ADM3488/ADM3490/ADM3491 feature full-duplex com-

munication, while the ADM3483/ADM3485 are designed for

half-duplex communication.

Figure 3.

The ADM3483/ADM3488 feature slew rate limited drivers that

minimize EMI and reduce reflections caused by improperly ter-

minated cables, allowing error-free data transmission at data rates

up to 250 kbps.

in the internal driver circuitry during fault conditions, then the

thermal shutdown circuit forces the driver output into a high

impedance state. If the inputs are unconnected (floating), the

receiver contains a fail-safe feature that results in a logic high

output state. The parts are fully specified over the commercial

and industrial temperature ranges. The ADM3483/ADM3485/

ADM3488/ADM3490 are available in 8-lead SOIC_N; the

ADM3491 is available in a 14-lead SOIC_N.

The ADM3485/ADM3490/ADM3491 transmit at up to 10 Mbps.

The receiver input impedance is 12 kΩ, allowing up to 32 trans-

ceivers to be connected on the bus. A thermal shutdown circuit

prevents excessive power dissipation caused by bus contention or

by output shorting. If a significant temperature increase is detected

Rev. B

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.

Tel: 781.329.4700

Fax: 781.461.3113

www.analog.com

12 3 4 5 6 7...20

中文翻译

下载PDF

ADM3491ARZ 替代型号

型号	品牌	替代类型	描述	数据表
ADM3491ARZ-REEL7	ADI	类似代替	3.3 V Slew Rate Limited, Half- and Full-Duplex, RS-485/RS-422 Transceivers
ADM3491AR	ADI	类似代替	3.3 V, Full Duplex, 840 uA 20 Mbps, EIA RS-485 Transceiver

与ADM3491ARZ相关器件

型号	品牌	获取价格	描述	数据表
ADM3491ARZ-1	ADI	获取价格	暂无描述
ADM3491ARZ-1REEL	ADI	获取价格	3.3V, Full Duplex, 840uA, 20Mbps, EIA RS-485 Transceiver
ADM3491ARZ-1REEL7	ADI	获取价格	3.3V, Full Duplex, 840uA, 20Mbps, EIA RS-485 Transceiver
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

与ADM3491ARZ相关文章

解析光耦仿真器：升级光耦合器技术的必要性
2024-11-18

17
英伟达新一代Blackwell GPU过热问题致交付延迟
2024-11-18

12
国产厂商思特威CMOS图像传感器芯片单月出货超1亿颗，技术创新引领行业发展
2024-11-14

42
台积电5nm和3nm产能利用率达100%，半导体行业景气度持续攀升
2024-11-14

37

产品中心

服务支持

精选活动

关于我们

帮助中心

ADM3491ARZ

ADM3491ARZ 数据手册

ADM3491ARZ 替代型号

与ADM3491ARZ相关器件

与ADM3491ARZ相关文章

您还可以找

产品中心

服务支持

精选活动

关于我们

帮助中心

ADM3491ARZ

ADM3491ARZ 数据手册

ADM3491ARZ 替代型号

与ADM3491ARZ相关器件

与ADM3491ARZ相关文章

您还可以找

您在本页遇到什么问题？