Datasheet > 驱动程序和接口 > 线路驱动器或接收器> MAX3238EAI+

MAX3238EAI+

更新时间： 2024-09-15 13:01:31

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
12页	113K
描述
Line Transceiver, 3 Func, 5 Driver, 3 Rcvr, CMOS, PDSO28, SSOP-28

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技术参数
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MAX3238EAI+ 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Active	零件包装代码：	SSOP
包装说明：	SSOP, SSOP28,.3	针数：	28
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	Factory Lead Time：	6 weeks
风险等级：	1.18	差分输出：	NO
驱动器位数：	5	高电平输入电流最大值：	0.000001 A
输入特性：	SCHMITT TRIGGER	接口集成电路类型：	LINE TRANSCEIVER
接口标准：	EIA-232; TIA-232; V.24; V.28	JESD-30 代码：	R-PDSO-G28
JESD-609代码：	e3	长度：	10.2 mm
湿度敏感等级：	1	功能数量：	3
端子数量：	28	最高工作温度：	85 °C
最低工作温度：	-40 °C	最小输出摆幅：	10 V
输出特性：	3-STATE	最大输出低电流：	0.0016 A
输出极性：	INVERTED	封装主体材料：	PLASTIC/EPOXY
封装代码：	SSOP	封装等效代码：	SSOP28,.3
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE, SHRINK PITCH
峰值回流温度（摄氏度）：	260	电源：	3.3/5 V
认证状态：	Not Qualified	最大接收延迟：
接收器位数：	3	座面最大高度：	1.99 mm
子类别：	Line Driver or Receivers	最大压摆率：	2 mA
最大供电电压：	5.5 V	最小供电电压：	3 V
标称供电电压：	5 V	表面贴装：	YES
技术：	CMOS	温度等级：	INDUSTRIAL
端子面层：	Matte Tin (Sn)	端子形式：	GULL WING
端子节距：	0.65 mm	端子位置：	DUAL
处于峰值回流温度下的最长时间：	30	宽度：	5.29 mm
Base Number Matches：	1

MAX3238EAI+ 数据手册

19-1144; Rev 0; 9/96

+3 .0 V t o +5 .5 V, 1 µA, u p t o 2 5 0 k b p s , Tru e

RS -2 3 2 Tra n s c e ive r w it h Au t o S h u t d o w n P lu s ™

MAX238

_______________Ge n e ra l De s c rip t io n

____________________________Fe a t u re s

The MAX3238 true RS-232 tra ns c e ive r a c hie ve s a

1µA s up p ly c urre nt with Ma xim’s re volutiona ry

AutoShutdown Plus feature. When the device does not

sense a valid signal transition on either the receiver or

transmitter inputs within 30sec, the on-board power

supply and drivers shut down. This occurs if the RS-232

cable is disconnected or if the transmitters of the con-

nected peripheral are inactive. The system turns on

again when a valid transition is applied to any RS-232

re c e ive r or tra ns mitte r inp ut, s a ving p owe r without

changes to the existing BIOS or operating system.

♦ 1µA Supply Current Achieved with

AutoShutdown Plus

♦ Guaranteed Data Rate: 250kbps

♦ 1µA Low-Power Shutdown

♦ Receivers Active in AutoShutdown Plus Mode

♦ Flow-Through Pinout

♦ Meets EIA/TIA-232 Specifications Down to 3.0V

♦ Guaranteed 6V/µs Slew Rate

The MAX3238 5-driver/3-receiver complete serial port is

a 3V-powered EIA/TIA-232 and V.28/V.24 communica-

tions interface intended for notebook or subnotebook

computer applications. A proprietary, high-efficiency,

dual charge-pump power supply and a low-dropout

transmitter combine to deliver true RS-232 performance

from a single +3.0V to +5.5V supply. A guaranteed

data rate of 250kbps provides compatibility with popu-

lar software for communicating with personal comput-

ers. The MAX3238 requires only 0.1µF capacitors in

3.3V operation. It is ideal for 3.3V-only systems, mixed

3.3V and 5.0V systems, or 5V-only systems that require

true RS-232 performance.

______________Ord e rin g In fo rm a t io n

PART

TEMP. RANGE

0°C to +70°C

PIN-PACKAGE

28 SSOP

MAX3238CAI

MAX3238EAI

-40°C to +85°C

28 SSOP

Receiver R1 has an extra, always-active output (in addi-

tion to its s ta nd a rd outp ut), whic h a llows e xte rna l

devices, such as a modem, to be monitored without for-

ward biasing the protection diodes in circuitry that may

__________________P in Co n fig u ra t io n

have V completely removed.

TOP VIEW

The MAX3238 is available in a space-saving SSOP

package.

C2+

GND

C2-

V-

C1+

V+

________________________Ap p lic a t io n s

Notebook, Subnotebook, and Palmtop

Computers

C1-

T1IN

T2IN

T3IN

T1OUT

T2OUT

High-Speed Modems

Battery-Powered Equipment

Hand-Held Equipment

Peripherals

MAX3238

T3OUT

R1IN

21 R1OUT

R2IN

R2OUT

Printers

T4IN

18 R3OUT

T5IN

T4OUT

R3IN

Typical Operating Circuit appears at end of data sheet.

T5OUT

FORCEON

FORCEOFF

16 R1OUTB

INVALID

AutoShutdown Plus

*Patents Pending

is a trademark of Maxim Integrated Products.

SSOP

________________________________________________________________ Maxim Integrated Products

For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800

12 3 4 5 6 7...12

中文翻译

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MAX3238EAI+ 替代型号

型号	品牌	替代类型	描述	数据表
MAX3238EAI+T	MAXIM	完全替代	Line Transceiver, 3 Func, 5 Driver, 3 Rcvr, CMOS, PDSO28, SSOP-28
MAX3237EEAI+	MAXIM	类似代替	Line Transceiver, 3 Func, 5 Driver, 3 Rcvr, BICMOS, PDSO28, ROHS COMPLIANT, SSOP-28

与MAX3238EAI+相关器件

型号	品牌	获取价格	描述	数据表
MAX3238EAI+T	MAXIM	获取价格	Line Transceiver, 3 Func, 5 Driver, 3 Rcvr, CMOS, PDSO28, SSOP-28
MAX3238EAIT	MAXIM	获取价格	LINE TRANSCEIVER, PDSO28, 0.200 INCH, 0.65 MM PITCH, SSOP-28
MAX3238EAI-T	MAXIM	获取价格	Line Transceiver, 3 Func, 5 Driver, 3 Rcvr, CMOS, PDSO28, SSOP-28
MAX3238ECAI	MAXIM	获取价格	+3.0V to +5.5V, 10nA, 250kbps RS-232 Transcei
MAX3238ECAI+T	MAXIM	获取价格	Line Transceiver, 3 Func, 5 Driver, 3 Rcvr, PDSO28, 5.30 MM, 0.65 MM PITCH, SSOP-28
MAX3238ECAI-T	MAXIM	获取价格	Line Transceiver, 3 Func, 5 Driver, 3 Rcvr, PDSO28, 5.30 MM, 0.65 MM PITCH, MO-150, SSOP-2
MAX3238ECDB	TI	获取价格	3-V TO 5.5-V MULTICHANNEL RS-232 LINE DRIVER/
MAX3238ECDBR	TI	获取价格	3-V TO 5.5-V MULTICHANNEL RS-232 LINE DRIVER/
MAX3238ECDBRG4	TI	获取价格	TRIPLE LINE TRANSCEIVER, PDSO28, GREEN, PLASTIC, SSOP-28
MAX3238ECDW	TI	获取价格	3-V TO 5.5-V MULTICHANNEL RS-232 LINE DRIVER/

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