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MAX3237

更新时间： 2024-11-17 22:58:03

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
16页	269K
描述
3.0V to 5.5V, Low-Power, up to 1Mbps, True RS-232 Transceivers Using Four 0.1レF External Capacitors

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MAX3237 数据手册

19-0273; Rev 5; 3/99

3.0V to 5.5V, Low -Pow e r, up to 1Mbps , True RS-232

Tra ns c e ive rs Us ing Four 0.1µF Exte rna l Ca pa c itors

7/MAX3241*

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

____________________________Fe a t u re s

♦ Low Supply Current:

The MAX3222/MAX3232/MAX3237/MAX3241 tra ns -

ceivers have a proprietary low-dropout transmitter out-

put stage enabling true RS-232 performance from a

3.0V to 5.5V supply with a dual charge pump. The

devices require only four small 0.1µF external charge-

p ump c a p a c itors . The MAX3222, MAX3232, a nd

MAX3241 a re g ua ra nte e d to run a t d a ta ra te s of

120kbps while maintaining RS-232 output levels. The

MAX3237 is guaranteed to run at data rates of 250kbps

in the norma l op e ra ting mod e a nd 1Mb p s in the

MegaBaud™ operating mode, while maintaining RS-232

output levels.

300µA (MAX3222/MAX3232/MAX3241)

500µA (MAX3237)

♦ Guaranteed Data Rate:

120kbps (MAX3222/MAX3232/MAX3241)

250kbps (MAX3237—Normal Operation)

1Mbps (MAX3237—MegaBaud Operation)

♦ 1µA Low-Power Shutdown with Receivers Active

(MAX3222/MAX3237/MAX3241)

♦ Flow-Through Pinout (MAX3237)

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

♦ Guaranteed Mouse Driveability (MAX3241)

The MAX3222/MAX3232 ha ve 2 re c e ive rs a nd 2

drivers. The MAX3222 features a 1µA shutdown mode

that reduces power consumption and extends battery

life in portable systems. Its receivers remain active in

shutdown mode, allowing external devices such as

modems to be monitored using only 1µA supply cur-

rent. The MAX3222 and MAX3232 are pin, package,

and functionally compatible with the industry-standard

MAX242 and MAX232, respectively.

♦ Pin Compatible with Industry-Standard MAX232

(MAX3232)

Pin Compatible with Industry-Standard MAX242

(MAX3222)

♦ Guaranteed Slew Rate:

6V/µs (MAX3222/MAX3232/MAX3237/MAX3241)

24V/µs (MAX3237—MegaBaud Operation)

The MAX3241 is a c omp le te s e ria l p ort (3 d rive rs /

5 receivers) designed for notebook and subnotebook

computers. The MAX3237 (5 drivers/3 receivers) is ideal

for fast modem applications. Both these devices feature

a shutdown mode in which all receivers can remain

active while using only 1µA supply current. Receivers R1

(MAX3237/MAX3241) and R2 (MAX3241) have extra out-

puts in addition to their standard outputs. These extra

outputs are always active, allowing external devices

such as a modem to be monitored without forward bias-

______________Ord e rin g In fo rm a t io n

PART

TEMP. RANGE

0°C to +70°C

PIN-PACKAGE

20 TSSOP

20 SSOP

MAX3222CUP

MAX3222CAP

MAX3222CWN

MAX3222CPN

18 SO

18 Plastic DIP

Ordering Information continued at end of data sheet.

ing the protection diodes in circuitry that may have V

completely removed.

_________________P in Co n fig u ra t io n s

The MAX3222, MAX3237, and MAX3241 are available

in space-saving TSSOP and SSOP packages.

TOP VIEW

C1+

V+

SHDN

________________________Ap p lic a t io n s

Notebook, Subnotebook, and Palmtop Computers

High-Speed Modems

GND

T1OUT

R1IN

C1-

MAX3222

C2+

C2-

Battery-Powered Equipment

Hand-Held Equipment

R1OUT

T1IN

V-

Peripherals

T2IN

T2OUT

R2IN

10 R2OUT

Printers

DIP/SO

Typical Operating Circuits appear at end of data sheet.

Pin Configurations continued at end of data sheet.

MegaBaud is a trademark of Maxim Integrated Products.

*Covered by U.S. Patent numbers 4,636,930; 4,679,134; 4,777,577; 4,797,899; 4,809,152; 4,897,774; 4,999,761; and other patents pending.

________________________________________________________________ Maxim Integrated Products

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

For small orders, phone 1-800-835-8769.

12 3 4 5 6 7...16

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与MAX3237相关器件

型号	品牌	获取价格	描述	数据表
MAX3237CAI	MAXIM	获取价格	3.0V to 5.5V, Low-Power, up to 1Mbps, True RS
MAX3237CAI+	MAXIM	获取价格	Line Transceiver, 1 Func, 5 Driver, 3 Rcvr, CMOS, PDSO28, SSOP-28
MAX3237CAI+T	MAXIM	获取价格	暂无描述
MAX3237CAI-T	MAXIM	获取价格	Line Transceiver, 1 Func, 5 Driver, 3 Rcvr, CMOS, PDSO28, SSOP-28
MAX3237CAITR	MAXIM	获取价格	暂无描述
MAX3237CUI+	MAXIM	获取价格	Line Transceiver, 3 Func, 5 Driver, 3 Rcvr, CMOS, PDSO28, 4.40 MM, LEAD FREE, MO-153AE, TS
MAX3237E	MAXIM	获取价格	【15kV ESD-Protected, Down to 10nA, 3.0V to 5.
MAX3237E	TI	获取价格	3-V TO 5.5-V MULTICHANNEL RS-232 1-MBit/s LINE DRIVER/RECEIVER
MAX3237E	ADI	获取价格	±15kV ESD保护、电流低至10nA、3.0V至5.5V供电、速率高达1Mbps的真R
MAX3237E(MEGABAUD)	MAXIM	获取价格	【15kV ESD-Protected, Down to 10nA, 3.0V to 5.

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