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MAX3380ECUP

Description
RS-232 Interface IC +2.35V to +5.5V, 1 A, 2Tx/2Rx RS-232 Transceivers with 15kV ESD-Protected I/O and Logic Pins
CategoryAnalog mixed-signal IC    Drivers and interfaces   
File Size222KB,14 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
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MAX3380ECUP Overview

RS-232 Interface IC +2.35V to +5.5V, 1 A, 2Tx/2Rx RS-232 Transceivers with 15kV ESD-Protected I/O and Logic Pins

MAX3380ECUP Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
MakerMaxim
Parts packaging codeTSSOP
package instructionTSSOP, TSSOP20,.25
Contacts20
Reach Compliance Codenot_compliant
ECCN codeEAR99
Differential outputNO
Number of drives2
Input propertiesSCHMITT TRIGGER
Interface integrated circuit typeLINE TRANSCEIVER
Interface standardsEIA-232; TIA-232; V.24; V.28
JESD-30 codeR-PDSO-G20
JESD-609 codee0
length6.5 mm
Humidity sensitivity level1
Number of functions2
Number of terminals20
Maximum operating temperature70 °C
Minimum operating temperature
Minimum output swing10 V
Maximum output low current0.0005 A
Package body materialPLASTIC/EPOXY
encapsulated codeTSSOP
Encapsulate equivalent codeTSSOP20,.25
Package shapeRECTANGULAR
Package formSMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)240
power supply2.5/5 V
Certification statusNot Qualified
Maximum receive delay
Number of receiver bits2
Maximum seat height1.1 mm
Maximum slew rate1 mA
Maximum supply voltage5.5 V
Minimum supply voltage2.35 V
Nominal supply voltage3.3 V
surface mountYES
technologyBICMOS
Temperature levelCOMMERCIAL
Terminal surfaceTin/Lead (Sn85Pb15)
Terminal formGULL WING
Terminal pitch0.65 mm
Terminal locationDUAL
Maximum time at peak reflow temperature20
width4.4 mm
19-2128; Rev 0; 8/01
+2.35V to +5.5V, 1µA, 2Tx/2Rx RS-232 Transceivers
with ±15kV ESD-Protected I/O and Logic Pins
MAX3380E/MAX3381E
General Description
The MAX3380E/MAX3381E are +2.35V to +5.5V-pow-
ered EIA/TIA-232 and V.28/V.24 communication inter-
faces with low power requirements, high data-rate
capabilities, and enhanced electrostatic discharge
(ESD) protection on both the TTL and RS-232 sides.
The MAX3380E/MAX3381E have two receivers and two
transmitters. All RS-232 inputs, outputs, and logic input
pins are protected to ±15kV using IEC 1000-4-2 Air-
Gap Discharge method and the Human Body Model,
and ±8kV using IEC 1000-4-2 Contact Discharge
method.
The proprietary low-dropout transmitter output stage
enables true RS-232 performance from a +3.1V to
+5.5V supply with a dual charge pump. The parts
reduce the transmitter output levels to RS-232-compati-
ble levels with no increase in supply current for sup-
plies less than +3.1V and greater than +2.35V. The
+2.35V to +5.5V operating range is fully compatible
with lithium-ion (Li+) batteries. The charge pump
requires only four small 0.1µF capacitors for operation.
The MAX3380E/MAX3381E transceivers use Maxim’s
revolutionary AutoShutdown Plus™ feature to auto-
matically enter a 1µA shutdown mode. These
devices shut down the on-board power supply and
drivers when they do not sense a valid signal transi-
tion for 30 seconds on either the receiver or trans-
mitter inputs.
The MAX3380E is capable of transmitting data at
rates of 460kbps while maintaining RS-232 output
levels, and the MAX3381E operates at data rates up
to 250kbps. The MAX3381E offers a slower slew rate
for applications where noise and EMI are issues. The
MAX3380E/MAX3381E have a unique V
L
pin that
allows interoperation in mixed-logic voltage systems
down to +1.65V. Both input and output logic levels
are referenced to the V
L
pin. The MAX3380E/MAX3381E
are available in a space-saving TSSOP package.
Features
±15kV ESD Protection on All CMOS and RS-232
Inputs and Outputs (Except
INVALID)
±15kV Human Body Model
±15kV IEC 1000-4-2 Air-Gap Discharge
±8kV IEC 1000-4-2 Contact Discharge
Operates Over Entire Li+ Battery Range
Low Logic Threshold Down to +1.65V for
Compatibility with Cell Phone Logic Supply Voltages
1µA Low-Power AutoShutdown Plus Mode
Compatible with Next-Generation GSM Data Rates
20-Pin TSSOP Package
Ordering Information
PART
MAX3380ECUP
MAX3380EEUP
MAX3381ECUP
MAX3381EEUP
TEMP. RANGE
0°C to +70°C
-40°C to +85°C
0°C to +70°C
-40°C to +85°C
PIN-PACKAGE
20 TSSOP
20 TSSOP
20 TSSOP
20 TSSOP
Typical Operating Circuit
+3.3V
C5
0.1μF
V
CC
C1+
C1-
C2+
C2-
T1IN
V
L
C1
0.1μF
FORCEOFF
FORCEON
V+
C2
0.1μF
MAX3380E/
MAX3381E
C3
0.1μF
V-
C4
0.1μF
Applications
Cell Phone Data Lump Cables
PDA Data Lump Cables
GPS Receivers
Digital Cameras
TTL/CMOS
INPUTS
T1OUT
RS-232
OUTPUTS
T2IN
V
L
R1OUT
T2OUT
R1IN
5kΩ
V
L
RS-232
INPUTS
TTL/CMOS
OUTPUTS
AutoShutdown Plus is a trademark of Maxim Integrated Products
Pin Configuration appears at end of data sheet.
R2OUT
R2IN
5kΩ
GND
________________________________________________________________
Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

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Is it lead-free? Contains lead Contains lead - - Contains lead
Is it Rohs certified? incompatible incompatible - - incompatible
Maker Maxim Maxim - - Maxim
Parts packaging code TSSOP TSSOP - - TSSOP
package instruction TSSOP, TSSOP20,.25 4.40 MM, 0.65 MM PITCH, TSSOP-20 - - 4.40 MM, 0.65 MM PITCH, TSSOP-20
Contacts 20 20 - - 20
Reach Compliance Code not_compliant not_compliant - - not_compliant
ECCN code EAR99 EAR99 - - EAR99
Differential output NO NO - - NO
Number of drives 2 2 - - 2
Input properties SCHMITT TRIGGER SCHMITT TRIGGER - - SCHMITT TRIGGER
Interface integrated circuit type LINE TRANSCEIVER LINE TRANSCEIVER - - LINE TRANSCEIVER
Interface standards EIA-232; TIA-232; V.24; V.28 EIA-232; TIA-232; V.24; V.28 - - EIA-232; TIA-232; V.24; V.28
JESD-30 code R-PDSO-G20 R-PDSO-G20 - - R-PDSO-G20
JESD-609 code e0 e0 - - e0
length 6.5 mm 6.5 mm - - 6.5 mm
Humidity sensitivity level 1 1 - - 1
Number of functions 2 2 - - 2
Number of terminals 20 20 - - 20
Maximum operating temperature 70 °C 70 °C - - 85 °C
Minimum output swing 10 V 10 V - - 7.4 V
Maximum output low current 0.0005 A 0.0005 A - - 0.0005 A
Package body material PLASTIC/EPOXY PLASTIC/EPOXY - - PLASTIC/EPOXY
encapsulated code TSSOP TSSOP - - TSSOP
Encapsulate equivalent code TSSOP20,.25 TSSOP20,.25 - - TSSOP20,.25
Package shape RECTANGULAR RECTANGULAR - - RECTANGULAR
Package form SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, THIN PROFILE, SHRINK PITCH - - SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius) 240 240 - - 245
power supply 2.5/5 V 2.5/5 V - - 2.5/5 V
Certification status Not Qualified Not Qualified - - Not Qualified
Number of receiver bits 2 2 - - 2
Maximum seat height 1.1 mm 1.1 mm - - 1.1 mm
Maximum slew rate 1 mA 1 mA - - 1 mA
Maximum supply voltage 5.5 V 5.5 V - - 5.5 V
Minimum supply voltage 2.35 V 2.35 V - - 2.35 V
Nominal supply voltage 3.3 V 3.3 V - - 3.3 V
surface mount YES YES - - YES
technology BICMOS BICMOS - - BICMOS
Temperature level COMMERCIAL COMMERCIAL - - INDUSTRIAL
Terminal surface Tin/Lead (Sn85Pb15) Tin/Lead (Sn85Pb15) - - TIN LEAD
Terminal form GULL WING GULL WING - - GULL WING
Terminal pitch 0.65 mm 0.65 mm - - 0.65 mm
Terminal location DUAL DUAL - - DUAL
Maximum time at peak reflow temperature 20 20 - - NOT SPECIFIED
width 4.4 mm 4.4 mm - - 4.4 mm
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