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LTC2803IDHC

Description
1.8V to 5.5V RS-232 Single and Dual Transceivers
CategoryAnalog mixed-signal IC    Drivers and interfaces   
File Size365KB,18 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
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LTC2803IDHC Overview

1.8V to 5.5V RS-232 Single and Dual Transceivers

LTC2803IDHC Parametric

Parameter NameAttribute value
Brand NameLinear Technology
Is it Rohs certified?incompatible
MakerLinear ( ADI )
Parts packaging codeDFN
package instruction5 X 3 MM, PLASTIC, M0-229WJED-1, DFN-16
Contacts16
Manufacturer packaging codeDHC
Reach Compliance Codenot_compliant
ECCN codeEAR99
Differential outputNO
Number of drives2
Input propertiesSCHMITT TRIGGER
Interface integrated circuit typeLINE TRANSCEIVER
Interface standardsEIA-232-F; TIA-232-F
JESD-30 codeR-PDSO-N16
JESD-609 codee0
length5 mm
Humidity sensitivity level1
Number of functions2
Number of terminals16
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Minimum output swing10 V
Maximum output low current0.001 A
Package body materialPLASTIC/EPOXY
encapsulated codeHVSON
Encapsulate equivalent codeSOLCC16,.12,20
Package shapeRECTANGULAR
Package formSMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)235
power supply2/5 V
Certification statusNot Qualified
Maximum receive delay400 ns
Number of receiver bits2
Maximum seat height0.8 mm
Maximum supply voltage5.5 V
Minimum supply voltage1.8 V
Nominal supply voltage3.3 V
Supply voltage 1-max5.5 V
Mains voltage 1-minute1.8 V
Supply voltage1-Nom3.3 V
surface mountYES
technologyCMOS
Temperature levelINDUSTRIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formNO LEAD
Terminal pitch0.5 mm
Terminal locationDUAL
Maximum time at peak reflow temperature20
maximum transmission delay2000 ns
width3 mm
LTC2801/LTC2802/
LTC2803/LTC2804
1.8V to 5.5V RS-232
Single and Dual Transceivers
FeatureS
n
n
n
deScriPtion
The LTC
®
2801/LTC2802/LTC2803/LTC2804 are single and
dual RS-232 transceivers in narrow SSOP and chip-scale
DFN packages. All operate over a supply range of 1.8V to
5.5V, which permits operation directly from two alkaline,
NiCd or NiMH cells. An integrated DC-to-DC converter
generates power supplies for driving RS-232 levels. A
logic supply pin allows easy interfacing with different logic
levels independent of the DC-DC supply.
These parts are compatible with the TIA/EIA-232-F stan-
dard. Driver outputs are protected from overload and can
be shorted to ground or up to ±15V without damage. To
extend battery life, receivers can be kept active, operating
at reduced speed, with only 15µA current. In shutdown
mode, current is further reduced to 1µA.
n
n
n
n
n
n
1.8V to 5.5V Supply Voltage
Single and Dual Transceivers
High-Speed Operation
1Mbps for 250pF/3kΩ Load (LTC2802, LTC2804)
250kbps for 1nF/3kΩ Load
100kbps for 2.5nF/3kΩ TIA/EIA-232-F Load
Low-Power 1µA Shutdown and 15µA Receivers-
Active Modes
No Damage or Latchup to ±10kV ESD on RS-232
Interface
Logic Supply Pin for Easy Level-Shifting to UART or
Microprocessor
Low-Latency Output Enable Allows Line Sharing and
Half-Duplex Operation
True RS-232 Compliant Output Levels
Small Footprint:
LTC2801/LTC2802 4mm
×
3mm DFN Package
LTC2803/LTC2804 Narrow SSOP-16 and
5mm
×
3mm DFN Packages
Product Selection Guide
DRIVERS AND MAXIMUM
PART NUMBER RECEIVERS DATA RATE
LTC2801
LTC2802
LTC2803
LTC2803-1
LTC2804
LTC2804-1
1+1
1+1
2+2
2+2
2+2
2+2
1Mbps
0.25Mbps
1Mbps
1Mbps
MODES*
SD, RA, DD, AO
SD, AO
SD, RA, DD, AO
SD, AO
PACKAGE
DFN-12
DFN-12
DFN-16
SSOP-16
DFN-16
SSOP-16
0.25Mbps SD, RA, DD, AO
0.25Mbps SD, RA, DD, AO
aPPlicationS
n
n
n
Battery-Powered Systems
Computers and Consumer Electronics
Diagnostic Ports
L,
LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. All other trademarks are the property of their respective owners.
*SD = Shutdown, RA = Receiver Active (low power), DD = Drivers
Disabled, AO = All On
tyPical aPPlication
1.8V TO 5.5V
L1
10µH
LTC2802 at 1.8V and 1Mbps
SW
C4
1µF
V
CC
V
L
PS
LTC2802
C1
220nF
2V/DIV
TIN
CAP
5V/DIV
TOUT
TOUT
OFF ON
MODE
TIN
ROUT
RIN
2V/DIV
ROUT
GND
V
DD
C2
1µF
V
EE
C3
1µF
2801 TA01a
V
CC
= V
L
= 1.8V 400ns/DIV
WRAPPING DATA
TOUT LOAD = 250pF + RIN
ROUT LOAD = 150pF
2801 TA01b
2801234fe


LTC2803IDHC Related Products

LTC2803IDHC LTC2801CDE LTC2801IDE LTC2803IGN-1 LTC2804CDHC LTC2804IDHC
Description 1.8V to 5.5V RS-232 Single and Dual Transceivers 1.8V to 5.5V RS-232 Single and Dual Transceivers 1.8V to 5.5V RS-232 Single and Dual Transceivers 1.8V to 5.5V RS-232 Single and Dual Transceivers 1.8V to 5.5V RS-232 Single and Dual Transceivers 1.8V to 5.5V RS-232 Single and Dual Transceivers
Brand Name Linear Technology Linear Technology Linear Technology Linear Technology Linear Technology Linear Technology
Is it Rohs certified? incompatible incompatible incompatible incompatible incompatible incompatible
Maker Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) Linear ( ADI )
Parts packaging code DFN DFN DFN SSOP DFN DFN
package instruction 5 X 3 MM, PLASTIC, M0-229WJED-1, DFN-16 HVSON, SOLCC12,.12,20 HVSON, SOLCC12,.12,20 0.150 INCH, PLASTIC, SSOP-16 HVSON, SOLCC16,.12,20 HVSON, SOLCC16,.12,20
Contacts 16 12 12 16 16 16
Manufacturer packaging code DHC DE/UE DE/UE GN DHC DHC
Reach Compliance Code not_compliant not_compliant not_compliant _compli _compli _compli
ECCN code EAR99 EAR99 EAR99 EAR99 EAR99 EAR99
Differential output NO NO NO NO NO NO
Number of drives 2 1 1 2 2 2
Input properties SCHMITT TRIGGER SCHMITT TRIGGER SCHMITT TRIGGER SCHMITT TRIGGER SCHMITT TRIGGER SCHMITT TRIGGER
Interface integrated circuit type LINE TRANSCEIVER LINE TRANSCEIVER LINE TRANSCEIVER LINE TRANSCEIVER LINE TRANSCEIVER LINE TRANSCEIVER
Interface standards EIA-232-F; TIA-232-F EIA-232-F; TIA-232-F EIA-232-F; TIA-232-F EIA-232-F; TIA-232-F EIA-232-F; TIA-232-F EIA-232-F; TIA-232-F
JESD-30 code R-PDSO-N16 R-PDSO-N12 R-PDSO-N12 R-PDSO-G16 R-PDSO-N16 R-PDSO-N16
JESD-609 code e0 e0 e0 e0 e0 e0
length 5 mm 4 mm 4 mm 4.8895 mm 5 mm 5 mm
Humidity sensitivity level 1 1 1 1 1 1
Number of functions 2 1 1 2 2 2
Number of terminals 16 12 12 16 16 16
Maximum operating temperature 85 °C 70 °C 85 °C 85 °C 70 °C 85 °C
Minimum operating temperature -40 °C - -40 °C -40 °C - -40 °C
Minimum output swing 10 V 10 V 10 V 10 V 10 V 10 V
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code HVSON HVSON HVSON SSOP HVSON HVSON
Encapsulate equivalent code SOLCC16,.12,20 SOLCC12,.12,20 SOLCC12,.12,20 SSOP16,.25 SOLCC16,.12,20 SOLCC16,.12,20
Package shape RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
Package form SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius) 235 235 235 235 235 235
power supply 2/5 V 2/5 V 2/5 V 2/5 V 2/5 V 2/5 V
Certification status Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified
Maximum receive delay 400 ns 400 ns 400 ns 400 ns 400 ns 400 ns
Number of receiver bits 2 1 1 2 2 2
Maximum seat height 0.8 mm 0.8 mm 0.8 mm 1.75 mm 0.8 mm 0.8 mm
Maximum supply voltage 5.5 V 5.5 V 5.5 V 5.5 V 5.5 V 5.5 V
Minimum supply voltage 1.8 V 1.8 V 1.8 V 1.8 V 1.8 V 1.8 V
Nominal supply voltage 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V
surface mount YES YES YES YES YES YES
technology CMOS CMOS CMOS CMOS CMOS CMOS
Temperature level INDUSTRIAL COMMERCIAL INDUSTRIAL INDUSTRIAL COMMERCIAL INDUSTRIAL
Terminal surface Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb)
Terminal form NO LEAD NO LEAD NO LEAD GULL WING NO LEAD NO LEAD
Terminal pitch 0.5 mm 0.5 mm 0.5 mm 0.635 mm 0.5 mm 0.5 mm
Terminal location DUAL DUAL DUAL DUAL DUAL DUAL
Maximum time at peak reflow temperature 20 20 20 20 20 20
maximum transmission delay 2000 ns 2000 ns 2000 ns 2000 ns 500 ns 500 ns
width 3 mm 3 mm 3 mm 3.899 mm 3 mm 3 mm
Maximum output low current 0.001 A 0.001 A 0.001 A 0.001 A 0.001 A -
Supply voltage 1-max 5.5 V 5.5 V 5.5 V 5.5 V 5.5 V -
Mains voltage 1-minute 1.8 V 1.8 V 1.8 V 1.8 V 1.8 V -
Supply voltage1-Nom 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V -
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