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參數資料
| 型號： | MAX3241CWI |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors |
| 中文描述： | LINE TRANSCEIVER, PDSO28 |
| 封裝： | SO-28 |
| 文件頁數： | 1/20頁 |
| 文件大小： | 299K |
| 代理商： | MAX3241CWI |
________________General Description
The MAX3222E/MAX3232E/MAX3237E/MAX3241E are
3V-powered EIA/TIA-232 and V.28/V.24 communications
interfaces with low power requirements, high data-
rate capabilities, and enhanced electrostatic discharge
(ESD) protection. All transmitter outputs and receiver
inputs are protected to ±15kV using IEC 1000-4-2 Air-
Gap Discharge, ±8kV using IEC 1000-4-2 Contact Dis-
charge, and ±15kV using the Human Body Model. The
MAX3237E’s logic and receiver I/O pins are protected to
the above standards, while the transmitter output pins are
protected to ±15kV using the Human Body Model.
The transceivers have a proprietary low-dropout transmit-
ter output stage, delivering true RS-232 performance from
a +3.0V to +5.5V supply with a dual charge pump. The
charge pump requires only four small 0.1μF capacitors
for operation from a +3.3V supply. Each device is guaran-
teed to run at data rates of 250kbps while maintaining RS-
232 output levels. The MAX3237E is guaranteed to run at
data rates of 250kbps in the normal operating mode and
1Mbps in the MegaBaud operating mode while main-
taining RS-232-compliant output levels.
The MAX3222E/MAX3232E have two receivers and two
drivers. The MAX3222E features a 1μA shutdown mode
that reduces power consumption and extends battery
life in portable systems. Its receivers can remain active
in shutdown mode, allowing external devices such as
modems to be monitored using only 1μA supply current.
Both the MAX3222E and MAX3232E are pin, package,
and functionally compatible with the industry-standard
MAX242 and MAX232, respectively.
The MAX3241E is a complete serial port (three drivers/five
receivers) designed for notebook and subnotebook com-
puters. The MAX3237E (five drivers/three receivers) is ideal
for peripheral applications that require fast data transfer.
Both devices feature a shutdown mode in which all
receivers can remain active while using a supply cur-
rent of only 1μA (MAX3241E) or 10nA (MAX3237E). The
MAX3237E/MAX3241E have additional receiver outputs
that always remain active.
The MAX3222E and MAX3232E are available in space-
saving SO, SSOP, and TSSOP packages. The MAX3241E
is available in SO and SSOP packages. The MAX3237E is
available in an SSOP package.
________________________Applications
Notebooks, Subnotebooks,
and Palmtop Computers
Battery-Powered Equipment
Cell-Phone Data Cables
Smart Phones
XDSL Modems
Printers
Cell Phones
____________________________Features
o
ESD Protection for RS-232 I/O Pins
(MAX3222E/MAX3232E/MAX3241E)
±15kV—Human Body Model
±8kV—IEC 1000-4-2, Contact Discharge
±15kV—IEC 1000-4-2, Air-Gap Discharge
o
ESD Protection for All Logic and Receiver I/O
Pins (MAX3237E)
±15kV—Human Body Model
±8kV—IEC 1000-4-2, Contact Discharge
±15kV—IEC 1000-4-2, Air-Gap Discharge
o
ESD Protection for Transmitter Output Pins
(MAX3237E)
±15kV—Human Body Model
o
Guaranteed Data Rate
250kbps (MAX3222E/MAX3232E/MAX3241E
and MAX3237E, normal operation)
1Mbps (MAX3237E, MegaBaud operation)
o
Latchup Free
o
Low-Power Shutdown with Receivers Active
1μA (MAX3222E/MAX3241E)
10nA (MAX3237E)
o
Flow-Through Pinout (MAX3237E)
o
Guaranteed Mouse Driveability (MAX3241E)
o
Meets EIA/TIA-232 Specifications Down to 3.0V
_______________Ordering Information
M
±15kV ESD-Protected, Down to 10nA, 3.0V to 5.5V,
Up to 1Mbps, True RS-232 Transceivers
________________________________________________________________
Maxim Integrated Products
For free samples and the latest literature, visit www.maxim-ic.com or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.
1
19-1298; Rev 3a; 1/00
Ordering Information continued at end of data sheet.
___________________________Selector Guide
Typical Operating Circuits appear at end of data sheet.
Pin Configurations appear at end of data sheet.
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.
MegaBaud is a trademark of Maxim Integrated Products.
PART
MAX3222E
MAX3232E
MAX3237E
(Normal)
MAX3237E
(MegaBaud)
MAX3241E
3/5
5/3
5/3
2/2
2/2
NO. OF
DRIVERS/
RECEIVERS
LOW-
POWER
SHUTDOWN
—
250
1M
250
250
250
GUARANTEED
DATA RATE
(kbps)
MAX3222ECAP
MAX3222E
CUP
PART
TEMP. RANGE
0°C to +70°C
0°C to +70°C
20 TSSOP
PIN-PACKAGE
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX3241CWI+ | 功能描述:RS-232接口集成電路 3-5.5V 235kbps Transceiver RoHS:否 制造商:Exar 數據速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
| MAX3241CWI+T | 功能描述:RS-232接口集成電路 3-5.5V 235kbps Transceiver RoHS:否 制造商:Exar 數據速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
| MAX3241CWI-T | 功能描述:RS-232接口集成電路 RoHS:否 制造商:Exar 數據速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
| MAX3241EAI | 功能描述:RS-232接口集成電路 RoHS:否 制造商:Exar 數據速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
| MAX3241EAI+ | 功能描述:RS-232接口集成電路 3-5.5V 235kbps Transceiver RoHS:否 制造商:Exar 數據速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
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