參數(shù)資料
型號(hào)： MAX3223CAP
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 通用總線功能
英文描述： 1レA Supply Current, True +3V to +5.5V RS 232 Transceiver with AutoShutdown
中文描述： LINE TRANSCEIVER, PDSO20
封裝： 5.30 MM, MO-150, SSOP-20
文件頁(yè)數(shù)： 1/16頁(yè)
文件大?。?/td> 318K
代理商： MAX3223CAP
_______________General Description
The MAX3221/MAX3223/MAX3243 achieve 1μA supply
current with Maxim’s revolutionary AutoShutdown fea-
ture. When the MAX3221/MAX3223/MAX3243 do not
sense a valid signal level on their receiver inputs, the
on-board power supply and drivers shut down. This
occurs if the RS-232 cable is disconnected or if the
transmitters of the connected peripheral are turned off.
The system turns on again when a valid level is applied
to any RS-232 receiver input. As a result, the system
saves power without changes to the existing BIOS or
operating system.
The MAX3221/MAX3223/MAX3243 transceivers are 3V-
powered EIA/TIA-232 and V.28/V.24 communications
interfaces intended for notebook computer applica-
tions. A proprietary, high-efficiency, dual charge-pump
power supply and a low-dropout transmitter combine to
deliver true RS-232 performance from a single +3.0V to
+5.5V supply. A guaranteed data rate of 120kbps pro-
vides compatibility with popular software for communi-
cating with personal computers.
The MAX3221/MAX3223/MAX3243 require only 0.1μF
capacitors in 3.3V operation, and can operate from input
voltages ranging from +3.0V to +5.5V. They are ideal for
3.3V-only systems, mixed 3.3V and 5.0V systems, or
5.0V-only systems that require true RS-232 performance.
The MAX3221 is a 1-driver/1-receiver 16-pin SSOP ver-
sion of the 20-pin MAX3223 (2-driver/2-receiver). The
MAX3243 3-driver/5-receiver, complete serial port is
ideal for notebook or subnotebook computers. The
MAX3243 includes one complementary always-active
receiver. This receiver can monitor an external device
(such as a modem) in shutdown, without forward bias-
ing the protection diodes in a UART that may have V
CC
completely removed.
____________________________Features
o
1μA Supply Current Achieved with AutoShutdown
o
Small 0.1μF Capacitors
o
True RS-232 Operation from V
CC
= +3.0V to +5.5V
o
Meets EIA/TIA-562 Specifications Down to 2.7V
o
Guaranteed 120kbps Data Rate
o
6V/μs Min Guaranteed Slew Rate
o
Smallest Single-Supply RS-232 Transceiver
(MAX3221)
o
Guaranteed Mouse Driveability (MAX3243)
o
Small TSSOP Package (MAX3223/MAX3243)
________________________Applications
Notebook, Subnotebook, and Palmtop Computers
Battery-Powered Equipment
Hand-Held Equipment
Peripherals
Printers
M
1μA Supply-Current, True +3V to +5.5V
RS-232 Transceivers with AutoShutdown
________________________________________________________________
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.
1
19-0306; Rev 6; 3/99
PART
MAX3221
CAE
MAX3221CUE
MAX3221EAE
MAX3221EUE
MAX3223
CPP
MAX3223CAP
MAX3223CUP
-40°C to +85°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
-40°C to +85°C
TEMP. RANGE
PIN-PACKAGE
16 SSOP
16 TSSOP
16 SSOP
16 TSSOP
20 Plastic DIP
20 SSOP
20 TSSOP
* 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.
Future product—contact factory for availability.
AutoShutdown is a trademark of Maxim Integrated Products.
Pin Configurations appear at end of data sheet.
Typical Operating Circuits appear at end of data sheet.
MAX3223EPP
MAX3223EAP
MAX3223EUP
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
20 Plastic DIP
20 SSOP
20 TSSOP
MAX3243
CWI
MAX3243CAI
MAX3243CUI
0°C to +70°C
0°C to +70°C
0°C to +70°C
28 Wide SO
28 SSOP
28 TSSOP
MAX3243EWI
MAX3243EAI
MAX3243EUI
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
28 Wide SO
28 SSOP
28 TSSOP
0°C to +70°C
0°C to +70°C
______________Ordering Information
_____________________Selector Guide
MAX3221
MAX3223
MAX3243
1
2
3
1
2
5
3.0 to 5.5
3.0 to 5.5
3.0 to 5.5
Yes
Yes
Yes
PART
Tx
Rx
V
CC
RANGE (V)
AutoShutdown
相關(guān)PDF資料
PDF描述
MAX3223CPP 1レA Supply Current, True +3V to +5.5V RS 232 Transceiver with AutoShutdown
MAX3248ECAI 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors
MAX3238E 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors
MAX3238ECAI 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors
MAX3248E ±15kV ESD-Protected, 3.0V to 5.5V, Low-Power, Up to 250kbps, True RS-232 Transceivers(±15kV ESD保護(hù)，3.0V至5.5V,低功耗,250kbps, RS-232收發(fā)器（5發(fā)3收）)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX3223CAP+ 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:
MAX3223CAP+G65 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:
MAX3223CAP+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:
MAX3223CAP+TG65 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:
MAX3223CAP-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:
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