Datasheet > UM3232EESE

UM3232EESE

更新时间： 2024-10-02 01:07:43

品牌	Logo	应用领域
英联电子 - UNIONSEMI		/
页数	文件大小	规格书
16页	365K
描述
Fail-Safe, Single Supply RS-232 Transceivers

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UM3232EESE 技术参数

生命周期：	Contact Manufacturer	包装说明：	,
Reach Compliance Code：	unknown	风险等级：	5.7
Base Number Matches：	1

UM3232EESE 数据手册

UM3221E/UM3222E/UM3232E

Fail-Safe, Single Supply RS-232 Transceivers

UM3221E/UM3222E/UM3232E

General Description

The UM3221E/UM3222E/UM3232E series are 3.3V powered RS-232 transceivers intended for

portable or hand-held applications. The UM3221E has one driver/one receiver while the

UM3222E/UM3232E has two drivers/two receivers. The device features low power consumption,

high data-rate capability and enhanced ESD protection. The ESD rating of all transmitter outputs

and receiver inputs is ±15kV for both human body mode and IEC61000-4-2 air discharge methods,

and over ±8kV for IEC61000-4-2 contact discharge methods. The logic I/O pins are protected to

±2kV for human body mode.

Small footprint, low profile package and the use of small 0.1μF capacitors ensure board space

savings as well. Data rates greater than 250kbps are guaranteed at worst case load conditions. This

family is fully compatible with 3.3V-only systems, mixed 1.8V and 3.3V systems, mixed 3.3V and

5.0V systems and 5.0V-only systems.

The UM3221E/UM3222E has a low-power shutdown mode where the devices’ driver outputs and

charge pumps are disabled. During shutdown, the supply current falls to less than 1μA that

reduces power consumption in battery-powered portable systems or other low power consumption

systems. The UM3221E/UM3222E receivers remain active in shutdown mode, allowing

monitoring of external signals.

The UM3221E/UM3222E and UM3232E are pin, package, and functionally compatible with the

industry standard MAX242 and MAX 232, respectively.

Applications

Features



Industrial Automation Equipments



Meets True EIA/TIA-232-F Standards from a

Battery-Powered Equipments

Hand-Held Equipments

POS Terminals

+3.0V to +5.5V Power Supply

Meets EIA/TIA-562 Levels of ±3.7V with

Supply Voltages as Low as 2.7V

Enhanced ESD Specifications:

±15kV Human Body Mode

±15kV IEC61000-4-2 Air Discharge Mode

±8kV IEC61000-4-2 Contact Discharge Mode

1μA Low Power Shutdown



(UM3221E/UM3222E)



250kbps Minimum Transmission Rate

Guaranteed 30V/μs Max Slew Rate

Latch-Up Performance Exceeds 200mA

Hot Swap and Fail-Safe

I/O Logic Compatible with 1.8V Logic @

V_CC=3.3V

________________________________________________________________________

http://www.union-ic.com Rev.09 Mar.2016 1/16

12 3 4 5 6 7...16

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与UM3232EESE相关器件

型号	品牌	获取价格	描述	数据表
UM3232EEUE	UNIONSEMI	获取价格	Fail-Safe, Single Supply RS-232 Transceivers
UM323M	ETC	获取价格	Analog IC
UM323MS	ETC	获取价格	Analog IC
UM323S	ETC	获取价格	Analog IC
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UM3243	UNIONSEMI	获取价格	Low Supply Current, 3V to 5.5V, 250kbps, 3-Driver/5-Receiver, Enhanced ESD Protection Smar
UM3243EEAS	UNIONSEMI	获取价格	Low Supply Current, 3V to 5.5V, 250kbps, 3-Driver/5-Receiver, Enhanced ESD Protection Smar
UM3243EEQA	UNIONSEMI	获取价格	Low Supply Current, 3V to 5.5V, 250kbps, 3-Driver/5-Receiver, Enhanced ESD Protection Smar
UM3243EESS	UNIONSEMI	获取价格	Low Supply Current, 3V to 5.5V, 250kbps, 3-Driver/5-Receiver, Enhanced ESD Protection Smar
UM3243EEUS	UNIONSEMI	获取价格	Low Supply Current, 3V to 5.5V, 250kbps, 3-Driver/5-Receiver, Enhanced ESD Protection Smar

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