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參數(shù)資料
| 型號(hào)： | MAX3244EAI |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類(lèi)： | 通用總線(xiàn)功能 |
| 英文描述： | LINE TRANSCEIVER|CMOS|3 DRIVER|5 RCVR|SSOP|28PIN|PLASTIC |
| 中文描述： | TRIPLE LINE TRANSCEIVER, PDSO28 |
| 封裝： | SSOP-28 |
| 文件頁(yè)數(shù)： | 1/20頁(yè) |
| 文件大小： | 235K |
| 代理商： | MAX3244EAI |
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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 MAX3224–MAX3227/MAX3244/MAX3245 are 3V-
powered EIA/TIA-232 and V.28/V.24 communications
interfaces with automatic shutdown/wakeup features
and high data-rate capabilities.
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 MAX3225/MAX3227/MAX3245 also feature
MegaBaud operation, guaranteeing 1Mbps for high-
speed applications such as communicating with ISDN
modems. The MAX3224/MAX3226/MAX3244 guarantee
250kbps operation. The transceivers have a proprietary
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 MAX3224–MAX3227 feature a logic-level output
(READY) that asserts when the charge pump is regulat-
ing 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
1μA Supply Current
o
AutoShutdown Plus—EDN Innovation of the Year
o
Guaranteed Data Rate:
250kbps (MAX3224/3226/3244)
1Mbps (MAX3225/3227/3245)
o
Guaranteed Slew Rate:
6V/μs (MAX3224/3226/3244)
24V/μs (MAX3225/3227/3245)
o
Meets EIA/TIA-232 Specifications Down to 3.0V
o
Guaranteed Mouse Driveability (MAX3244/3245)
o
Ready-to-Transmit Logic-Level Output
M
1μA S upply Current, 1Mbps, 3.0V to 5.5V,
RS -232 Transc eivers with AutoS hutdown Plus
________________________________________________________________ Maxim Integrated Products
1
19-1289; Rev 1; 3/98
PART
MAX3224
MAX3225
MAX3226
1/1
2/2
2/2
NO. OF
DRIVERS/
RECEIVERS
READY
OUTPUT
AUTO-
SHUTDOWN
PLUS
250k
1M
250k
GUARANTEED
DATA RATE
(bps)
MAX3227
MAX3244
MAX3245
3/5
3/5
1/1
—
—
1M
250k
1M
PART
MAX3224
CPP
MAX3224CAP
MAX3224EPP
MAX3224EAP
MAX3225
CPP
MAX3225CAP
MAX3225EPP
MAX3225EAP
-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.
AutoShutdownPlus and MegaBaud are trademarks of Maxim Integrated Products.
Covered by U.S. Patentnumbers 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 otherpatents pending.
_____________________ S elec tor Guide
_______________Ordering Information
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX3224CAP | BATTERY LITHIUM 3V RECHARGE |
| MAX3224CPP | 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors |
| MAX3225CAP | 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors |
| MAX3225 | 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors |
| MAX3225CPP | 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX3244EAI+ | 功能描述:RS-232接口集成電路 3-5.5V 1Mbps Transceiver RoHS:否 制造商:Exar 數(shù)據(jù)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(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
| MAX3244EAI+T | 功能描述:RS-232接口集成電路 3-5.5V 1Mbps Transceiver RoHS:否 制造商:Exar 數(shù)據(jù)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(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
| MAX3244EAI-T | 功能描述:RS-232接口集成電路 RoHS:否 制造商:Exar 數(shù)據(jù)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(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
| MAX3244ECAI | 功能描述:RS-232接口集成電路 RoHS:否 制造商:Exar 數(shù)據(jù)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(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
| MAX3244ECAI+ | 功能描述:RS-232接口集成電路 3-5.5V 1Mbps Transceiver RoHS:否 制造商:Exar 數(shù)據(jù)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(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
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