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MAX3223CAPT

Description
LINE TRANSCEIVER, PDSO20, 5.30 MM, 0.65 MM PITCH, SSOP-20
CategoryAnalog mixed-signal IC    Drivers and interfaces   
File Size319KB,16 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Download Datasheet Parametric View All

MAX3223CAPT Overview

LINE TRANSCEIVER, PDSO20, 5.30 MM, 0.65 MM PITCH, SSOP-20

MAX3223CAPT Parametric

Parameter NameAttribute value
MakerMaxim
Parts packaging codeSSOP
package instructionSSOP,
Contacts20
Reach Compliance Codeunknown
Differential outputNO
Number of drives2
Input propertiesSCHMITT TRIGGER
Interface integrated circuit typeLINE TRANSCEIVER
Interface standardsEIA-232; V.24; V.28; EIA-562
JESD-30 codeR-PDSO-G20
JESD-609 codee0
length7.2 mm
Number of functions1
Number of terminals20
Maximum operating temperature70 °C
Minimum operating temperature
Output characteristics3-STATE
Output polarityINVERTED
Package body materialPLASTIC/EPOXY
encapsulated codeSSOP
Package shapeRECTANGULAR
Package formSMALL OUTLINE, SHRINK PITCH
Certification statusNot Qualified
Number of receiver bits2
Maximum seat height1.99 mm
Maximum slew rate1 mA
Maximum supply voltage5.5 V
Minimum supply voltage3 V
Nominal supply voltage5 V
surface mountYES
technologyCMOS
Temperature levelCOMMERCIAL
Terminal surfaceTIN LEAD
Terminal formGULL WING
Terminal pitch0.65 mm
Terminal locationDUAL
width5.29 mm
19-0306; Rev 6; 3/99
1µA Supply-Current, True +3V to +5.5V
RS-232 Transceivers with AutoShutdown
_______________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)
MAX3221/MAX3223/MAX3243*
________________________Applications
Notebook, Subnotebook, and Palmtop Computers
Battery-Powered Equipment
Hand-Held Equipment
Peripherals
Printers
______________Ordering Information
PART
MAX3221CAE
MAX3221CUE†
MAX3221EAE
MAX3221EUE†
MAX3223CPP
MAX3223CAP
MAX3223CUP
MAX3223EPP
MAX3223EAP
MAX3223EUP
MAX3243CWI
MAX3243CAI
MAX3243CUI
MAX3243EWI
MAX3243EAI
MAX3243EUI
TEMP. RANGE
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-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
-40°C to +85°C
-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
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
16 SSOP
16 TSSOP
16 SSOP
16 TSSOP
20 Plastic DIP
20 SSOP
20 TSSOP
20 Plastic DIP
20 SSOP
20 TSSOP
28 Wide SO
28 SSOP
28 TSSOP
28 Wide SO
28 SSOP
28 TSSOP
_____________________Selector Guide
PART
MAX3221
MAX3223
MAX3243
Tx
1
2
3
Rx
1
2
5
V
CC
RANGE (V) AutoShutdown
3.0 to 5.5
3.0 to 5.5
3.0 to 5.5
Yes
Yes
Yes
Pin Configurations appear at end of data sheet.
Typical Operating Circuits appear at end of data sheet.
†Future
product—contact factory for availability.
AutoShutdown is a trademark 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; and other patents pending.
________________________________________________________________
Maxim Integrated Products
1
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.
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