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參數資料
| 型號： | MAX3221E |
| 廠商： | Maxim Integrated Products, Inc. |
| 元件分類： | 數字信號處理 |
| 英文描述： | Video/Imaging Fixed-Point Digital Signal Processor 548-FCBGA |
| 中文描述： | ±15kV ESD保護、1µA、3.0V至5.5V、250kbps RS-232收發器，帶有AutoShutdown |
| 文件頁數： | 1/16頁 |
| 文件大小： | 153K |
| 代理商： | MAX3221E |
General Desc ription
The MAX3221E/MAX3223E/MAX3243E are 3V-powered
EIA/TIA-232 and V.28/V.24 communications interfaces
with automatic shutdown/wakeup features, 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, to ±8kV using IEC 1000-4-2 Contact
Discharge, and to ±15kV using the Human Body Model.
The MAX3221E/MAX3223E/MAX3243E achieve a
1μA supply current with Maxim’s revolutionary
AutoShutdown feature. They save power without
changes to the existing BIOS or operating system by enter-
ing low-power shutdown mode when the RS-232 cable is
disconnected, or when the transmitters of the connected
peripherals are off.
The transceivers have a proprietary low-dropout trans-
mitter 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 capaci-
tors for operation from a +3.3V supply. Each device is
guaranteed to run at data rates of 250kbps while main-
taining RS-232 output levels.
The MAX3221E contains just one driver and one receiver,
making it the smallest single-supply RS-232 transceiver.
The MAX3223E has two drivers and two receivers. The
MAX3243E is a complete 3-driver/5-receiver serial port
ideal for notebook or subnotebook computers. It also
includes two noninverting receiver outputs that are always
active, allowing external devices to be monitored without
forward biasing the protection diodes in circuitry that may
be powered down.
The MAX3221E, MAX3223E, and MAX3243E are avail-
able in space-saving SSOP packages.
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
250kbps Guaranteed Data Rate
o
6V/μs Guaranteed Slew Rate
o
Meets EIA/TIA-232 Specifications Down to 3.0V
o
Smallest Single-Supply RS-232 Transceiver
(MAX3221E)
o
Guaranteed Mouse Driveability (MAX3243E)
o
Small 0.1μF Capacitors
M
±15kV ESD-Protected, 1μA, 3.0V to 5.5V, 250kbps,
RS -232 Transc eivers with AutoS hutdown
________________________________________________________________ Maxim Integrated Products
1
19-1283; Rev 2; 1/98
PART
MAX3221E
CAE
MAX3221EEAE
MAX3223E
CPP
MAX3223ECAP
-40°C to +85°C
0°C to +70°C
0°C to +70°C
TEMP. RANGE
PIN-PACKAGE
16 SSOP
16 SSOP
20 Plastic DIP
20 SSOP
AutoShutdown is a trademark 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.
Pin Configurations appear at end of data sheet.
Typical Operating Circuits appear at end of data sheet.
MAX3223EEPP
MAX3223EEAP
MAX3243E
CWI
MAX3243ECAI
MAX3243EEWI
MAX3243EEAI
-40°C to +85°C
-40°C to +85°C
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
20 Plastic DIP
20 SSOP
28 Wide SO
28 SSOP
28 Wide SO
28 SSOP
0°C to +70°C
Ordering Information
S elec tor Guide
MAX3221E
MAX3223E
MAX3243E
1/1
2/2
3/5
3.0 to 5.5
3.0 to 5.5
3.0 to 5.5
PART
NO. OF
DRIVERS/
RECEIVERS
V
CC
RANGE
(V)
AUTOSHUTDOWN
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.
相關PDF資料 |
PDF描述 |
|---|---|
| MAX3221ECAE | Video/Imaging Fixed-Point Digital Signal Processor 548-FCBGA |
| MAX3223E | Video/Imaging Fixed-Point Digital Signal Processor 548-FCBGA |
| MAX3223ECAP | 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors |
| MAX3223ECPP | Video/Imaging Fixed-Point Digital Signal Processor 548-FCBGA |
| MAX3223EEAP | 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX3221EAE | 功能描述:RS-232接口集成電路 1uA 3-5.5V Tcvr w/AutoShutdown 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: |
| MAX3221EAE+ | 功能描述:RS-232接口集成電路 1uA 3-5.5V Tcvr w/AutoShutdown 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: |
| MAX3221EAE+T | 功能描述:RS-232接口集成電路 1uA 3-5.5V Tcvr w/AutoShutdown 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: |
| MAX3221EAE-T | 功能描述:RS-232接口集成電路 1uA 3-5.5V Tcvr w/AutoShutdown 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: |
| MAX3221ECAE | 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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