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參數資料
| 型號： | MAX3226E |
| 廠商： | Maxim Integrated Products, Inc. |
| 元件分類： | RS-232 |
| 英文描述： | 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors |
| 中文描述： | 5V的高速RS - 232收發器與0.1uF電容 |
| 文件頁數： | 1/20頁 |
| 文件大小： | 243K |
| 代理商： | MAX3226E |
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 408-737-7600 ext. 3468.
________________General Desc ription
The MAX3224E/MAX3225E/MAX3226E/MAX3227E/
MAX3244E/MAX3245E are 3V-powered EIA/TIA-232
and V.28/V.24 communications interfaces with automat-
ic shutdown/wakeup features, high data-rate capabili-
ties, 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 Discharge,
and ±15kV using the Human Body Model.
All devices achieve a 1μA supply current using Maxim’s
revolutionary AutoShutdown Plus feature. These
devices automatically enter a low-power shutdown
mode when the RS-232 cable is disconnected or the
transmitters of the connected peripherals are inactive,
and the UART driving the transmitter inputs is inactive
for more than 30 seconds. They turn on again when
they sense a valid transition at any transmitter or receiv-
er input. AutoShutdown Plus saves power without
changes to the existing BIOS or operating system.
The MAX3225E/MAX3227E/MAX3245E also feature
MegaBaud operation, guaranteeing 1Mbps for high-
speed applications such as communicating with ISDN
modems. The MAX3224E/MAX3226E/MAX3244E guar-
antee 250kbps operation. The transceivers have a pro-
prietary low-dropout transmitter output stage enabling
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. The MAX3224E–MAX3227E feature a logic-
level output (READY) that asserts when the charge
pump is regulating and the device is ready to begin
transmitting.
All devices are available in a space-saving SSOP pack-
age.
________________________Applic ations
Notebook, Subnotebook, and Palmtop Computers
Cellular Phones
Battery-Powered Equipment
Hand-Held Equipment
Peripherals
Printers
____________________________Features
o
ESD Protection for RS-232 I/O Pins:
±15kV—Human Body Model
±8kV—IEC1000-4-2, Contact Discharge
±15kV—IEC1000-4-2, Air-Gap Discharge
o
Latchup Free
o
1μA Supply Current
o
AutoShutdown Plus—EDN Innovation of the Year
o
Guaranteed Data Rate:
250kbps (MAX3224E/3226E/3244E)
1Mbps (MAX3225E/3227E/3245E)
o
Guaranteed Slew Rate:
6V/μs (MAX3224E/3226E/3244E)
24V/μs (MAX3225E/3227E/3245E)
o
Meets EIA/TIA-232 Specifications Down to 3.0V
o
Guaranteed Mouse Driveability
(MAX3244E/3245E)
o
Ready-to-Transmit Logic-Level Output
M
±15kV ESD-Protected, 1μA, 1Mbps, 3.0V to 5.5V,
RS -232 Transc eivers with AutoS hutdown Plus
________________________________________________________________ Maxim Integrated Products
1
19-1339; Rev 0; 1/98
PART
MAX3224E
MAX3225E
MAX3226E
MAX3227E
MAX3244E
MAX3245E
1/1
1/1
2/2
2/2
NO. OF
DRIVERS/
RECEIVERS
READY
OUTPUT
AUTO-
SHUTDOWN
PLUS
250k
1M
1M
250k
GUARANTEED
DATA RATE
(bps)
3/5
3/5
—
—
1M
250k
PART
MAX3224E
CPP
MAX3224ECAP
MAX3224EEPP
MAX3224EEAP
MAX3225E
CPP
MAX3225ECAP
MAX3225EEPP
MAX3225EEAP
-40°C to +85°C
-40°C to +85°C
0°C to +70°C
0°C to +70°C
TEMP. RANGE
PIN-PACKAGE
20 Plastic DIP
20 SSOP
20 Plastic DIP
20 SSOP
20 Plastic DIP
20 SSOP
20 Plastic DIP
20 SSOP
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
0°C to +70°C
Ordering Information continued at end of data sheet.
AutoShutdown Plus and MegaBaud are trademarks 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; 5,649,210; and other
patents pending.
_____________________ S elec tor Guide
_______________Ordering Information
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX3226EAAE | 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: |
| MAX3226EAAE+ | 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: |
| MAX3226EAAE+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: |
| MAX3226EAAE-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: |
| MAX3226EAE | 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: |
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