Datasheet > UM3486EESA

UM3486EESA

更新时间： 2024-11-10 01:01:59

品牌	Logo	应用领域
英联电子 - UNIONSEMI		/
页数	文件大小	规格书
12页	307K
描述
3.3V-Powered, Â±15kV ESD-Protected, and Slew-Rate-Limited True RS-485 Transceivers

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UM3486EESA 数据手册

Union Semiconductor, Inc.

http://www.union-ic.com

UM3483E, UM3486E

3.3V-Powered, ±±15V ESD-Protected,

and Slew-Rate-Limited True RS-481 Transceivers

General Description

The UM3483E, UM3486E are +15 KV ESD protected, slew-rate limited, ultra lower differential line transceivers which provide full

RS485 compatibility while operating from single 3.3V supply. Each part contains one driver and one receiver, which is designed for

data transmission with extended common mode range (-7V to 12V). The UM3483E features slew-rate limited driver that minimizes

EMI and reduces reflections caused by improperly terminated cables, allowing error-free data transmission at data rate up to 500kbps,

while partially slew-rate limited UM3486E transmits up to 2.5Mbps.

All devices feature enhanced electrostatic discharge (ESD) protection. All transmitter outputs and receiver inputs are protected to

15kV using IEC 1000-4-2 Air-Gap Discharge and 15kV using the Human Body Model.

Drivers are short-circuit current limited and are protected against excessive power dissipation by thermal shutdown circuitry that

places the driver outputs into a high-impedance state. The receiver input has a fail-safe feature that guarantees a logic-high output if

both inputs are open, shorted or idle.

Both parts have power up/down glitch free driver outputs permit live insertion or removal of transceiver from/to data bus. The

CMOS design offers significant power savings without sacrificing ruggedness against overload or ESD damage. Typical quiescent

current is only 500 μA while operating and 1 μA in shutdown.

The UM3483E, UM3486E are fully specified over the commercial an extended industrial temperature range and are available in 8-pin

and DIP packages.

Applications

Telecommunications

Low-Power RS-485 Transceivers

Integrated Services Digital Networks

Transceivers for EMI-Sensitive Applications

Packet Switching

Features

ESD Protection for RS-485 I/O Pins

15kVꢀHuman Body Model

15kVꢀIEC 1000-4-2, Air-Gap Discharge

Operate from a Single 3.3V supply

Interoperable with +5V Logic

Slew-Rate Limited for Errorless Data Transmission

1 μA Low-Current Shutdown Mode

–7V to +12V Common-Mode Input Voltage Range

Allows up to 256 Transceivers on the Bus

Thermal Shutdown

Current-Limiting for Driver Overload Protection

Ordering Information

PART

TEMP. RANGE PIN-PACKAGE

UM3483EESA

UM3483EEPA

UM3486EESA

UM3486EEPA

-40°C to +85°C

8 SO

8 Plastic DIP

8 SO

8 Plastic DIP

UM3483E,UM3486E Datasheet Rev.0.1, Dec.2005

Page 1 of 12

12 3 4 5 6 7...12

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与UM3486EESA相关器件

型号	品牌	获取价格	描述	数据表
UM3487E	UNIONSEMI	获取价格	Â±15kV ESD-Protected, Fail-Safe, Hot-Swappabl
UM3487EEPA	UNIONSEMI	获取价格	Â±15kV ESD-Protected, Fail-Safe, Hot-Swappabl
UM3487EESA	UNIONSEMI	获取价格	Â±15kV ESD-Protected, Fail-Safe, Hot-Swappabl
UM3488	UNIONSEMI	获取价格	Low Power, ESD-Protected, Fail-Safe, RS-422 Transceivers
UM3488EEPA	UNIONSEMI	获取价格	Low Power, ESD-Protected, Fail-Safe, RS-422 Transceivers
UM3488EESA	UNIONSEMI	获取价格	Low Power, ESD-Protected, Fail-Safe, RS-422 Transceivers
UM348X	UMC	获取价格	Multi-Instrument Melody Generator
UM3491	UNIONSEMI	获取价格	3.3V Low Powerï¼Â±15kV ESD-Protected, Fail-S
UM3491EEPE	UNIONSEMI	获取价格	Low Power, ESD-Protected, Fail-Safe, RS-422 Transceivers
UM3491EESE	UNIONSEMI	获取价格	Low Power, ESD-Protected, Fail-Safe, RS-422 Transceivers

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