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RS-232 Interface IC

RS-232 Interface ICs are in stock with same-day shipping at Mouser from leading manufacturers. Mouser is an authorized distributor for many RS-232 Interface IC manufacturers, including Analog Devices Inc., MaxLinear, Renesas Electronics, Texas Instruments & more.
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Please view our selection of RS-232 interface ICs below.

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Part #

RS-232 Interface IC 3.3V/5V L Pwr RS232 3-Drvr/5-Rcv Tran

LTC1348IG#PBF
Analog Devices
1: $20.48
28In Stock
47Expected 2026/08/26

Mfr. Part No.
LTC1348IG#PBF

Mouser Part No
584-LTC1348IG#PBF

Analog Devices

RS-232 Interface IC 3.3V/5V L Pwr RS232 3-Drvr/5-Rcv Tran

Datasheet

28In Stock

47Expected 2026/08/26

$20.48

$16.15

$14.56

$13.77

View

Min.: 1
Mult.: 1
Max.: 75

SSOP-28

LTC1348

Transceiver

250 kb/s

3 Driver

5 Receiver

Full Duplex

5.5 V

3 V

SMD/SMT

800 uA

- 40 C

+ 85 C

10 kV

Tube

RS-232 Interface IC 5V L Pwr RS232 3-Drvr/5-Rcv Tran w/ 2 Rc

LTC1349ISW#PBF
Analog Devices
1: $19.20
4In Stock

Mfr. Part No.
LTC1349ISW#PBF

Mouser Part No
584-LTC1349ISW#PBF

Analog Devices

RS-232 Interface IC 5V L Pwr RS232 3-Drvr/5-Rcv Tran w/ 2 Rc

Datasheet

4In Stock

$19.20

$15.29

$13.85

$12.92

View

Min.: 1
Mult.: 1
Max.: 4

SOIC-28

LTC1349

Transceiver

120 kb/s

3 Driver

5 Receiver

Full Duplex

5.5 V

3 V

SMD/SMT

500 uA

- 40 C

+ 85 C

10 kV

Tube

RS-232 Interface IC 5V L Pwr RS232 Tran w/ SD

LTC1382ISW#PBF
Analog Devices
1: $15.26
85In Stock

Mfr. Part No.
LTC1382ISW#PBF

Mouser Part No
584-LTC1382ISW#PBF

Analog Devices

RS-232 Interface IC 5V L Pwr RS232 Tran w/ SD

Datasheet

85In Stock

$15.26

$12.06

$10.90

$10.20

View

Min.: 1
Mult.: 1
Max.: 85

SO-18

LTC1382

Transceiver

120 kb/s

2 Driver

2 Receiver

Full Duplex

5.5 V

4.5 V

SMD/SMT

350 uA

- 40 C

+ 85 C

10 kV

Tube

RS-232 Interface IC 5V L Pwr RS232 Tran

LTC1383IS#PBF
Analog Devices
1: $13.01
112In Stock

Mfr. Part No.
LTC1383IS#PBF

Mouser Part No
584-LTC1383IS#PBF

Analog Devices

RS-232 Interface IC 5V L Pwr RS232 Tran

Datasheet

112In Stock

$13.01

$10.19

$9.48

$8.71

View

Min.: 1
Mult.: 1
Max.: 112

SOIC-16

LTC1383

Transceiver

120 kb/s

2 Driver

2 Receiver

Full Duplex

5.5 V

4.5 V

SMD/SMT

350 uA

- 40 C

+ 85 C

10 kV

Tube

RS-232 Interface IC 5V L Pwr RS232 Tran w/ 2 Rcvs Active in

LTC1384CG#PBF
Analog Devices
1: $14.90
6In Stock

Mfr. Part No.
LTC1384CG#PBF

Mouser Part No
584-LTC1384CG#PBF

Analog Devices

RS-232 Interface IC 5V L Pwr RS232 Tran w/ 2 Rcvs Active in

Datasheet

6In Stock

$14.90

$11.77

$10.35

$9.98

View

Min.: 1
Mult.: 1
Max.: 6

SSOP-20

LTC1384

Transceiver

120 kb/s

2 Driver

2 Receiver

Full Duplex

5.5 V

4.5 V

SMD/SMT

350 uA

0 C

+ 70 C

10 kV

Tube

RS-232 Interface IC 5V L Pwr RS232 Tran w/ 2 Rcvs Active in

LTC1384CN#PBF
Analog Devices
1: $13.15
28In Stock

Mfr. Part No.
LTC1384CN#PBF

Mouser Part No
584-LTC1384CN#PBF

Analog Devices

RS-232 Interface IC 5V L Pwr RS232 Tran w/ 2 Rcvs Active in

Datasheet

28In Stock

$13.15

$9.80

$9.34

$8.64

View

Min.: 1
Mult.: 1
Max.: 28

PDIP-18

LTC1384

Transceiver

120 kb/s

2 Driver

2 Receiver

Full Duplex

5.5 V

4.5 V

Through Hole

220 uA

0 C

+ 70 C

10 kV

Tube

RS-232 Interface IC 5V L Pwr RS232 Tran w/ 2 Rcvs Active in

LTC1384CSW#PBF
Analog Devices
1: $11.92
19In Stock
80Expected 2026/09/12

Mfr. Part No.
LTC1384CSW#PBF

Mouser Part No
584-LTC1384CSW#PBF

Analog Devices

RS-232 Interface IC 5V L Pwr RS232 Tran w/ 2 Rcvs Active in

Datasheet

19In Stock

80Expected 2026/09/12

$11.92

$9.35

$8.43

Min.: 1
Mult.: 1
Max.: 99

SO-18

LTC1384

Transceiver

120 kb/s

2 Driver

2 Receiver

Full Duplex

5.5 V

4.5 V

SMD/SMT

350 uA

0 C

+ 70 C

10 kV

Tube

RS-232 Interface IC 5V L Pwr RS232 Tran w/ 2 Rcvs Active in

LTC1384ISW#PBF
Analog Devices
1: $13.44
120In Stock

Mfr. Part No.
LTC1384ISW#PBF

Mouser Part No
584-LTC1384ISW#PBF

Analog Devices

RS-232 Interface IC 5V L Pwr RS232 Tran w/ 2 Rcvs Active in

Datasheet

120In Stock

$13.44

$10.58

$9.57

$8.83

View

Min.: 1
Mult.: 1
Max.: 120

SO-18

LTC1384

Transceiver

120 kb/s

2 Driver

2 Receiver

Full Duplex

5.5 V

4.5 V

SMD/SMT

350 uA

- 40 C

+ 85 C

10 kV

Tube

RS-232 Interface IC 3.3V L Pwr EIA/TIA-562 Tran

LTC1385CG#PBF
Analog Devices
1: $14.90
2In Stock
66Expected 2026/08/25

Mfr. Part No.
LTC1385CG#PBF

Mouser Part No
584-LTC1385CG#PBF

Analog Devices

RS-232 Interface IC 3.3V L Pwr EIA/TIA-562 Tran

Datasheet

2In Stock

66Expected 2026/08/25

$14.90

$11.77

$10.35

$9.98

View

Min.: 1
Mult.: 1
Max.: 68

SSOP-20

LTC1385

Transceiver

120 kb/s

2 Driver

2 Receiver

Full Duplex

3.6 V

3 V

SMD/SMT

200 uA

0 C

+ 70 C

10 kV

Tube

RS-232 Interface IC 3.3V L Pwr EIA/TIA-562 Tran

LTC1385CSW#PBF
Analog Devices
1: $13.53
104In Stock

Mfr. Part No.
LTC1385CSW#PBF

Mouser Part No
584-LTC1385CSW#PBF

Analog Devices

RS-232 Interface IC 3.3V L Pwr EIA/TIA-562 Tran

Datasheet

104In Stock

$13.53

$10.65

$9.63

$9.05

View

Min.: 1
Mult.: 1
Max.: 104

SO-18

LTC1385

3.6 V

3 V

SMD/SMT

Tube

RS-232 Interface IC 1x 5V RS232/RS485 Multiprotocol Tran

LTC1387CSW#TRPBF
Analog Devices
1: $14.68
16In Stock
3,000On Order

Mfr. Part No.
LTC1387CSW#TRPBF

Mouser Part No
584-LTC1387CSW#TRPBF

Analog Devices

RS-232 Interface IC 1x 5V RS232/RS485 Multiprotocol Tran

Datasheet

16In Stock

3,000On Order

Cut Tape

$14.68

$11.60

$10.83

$9.97

$9.39

Reel

$9.04

MouseReel Available

Min.: 1
Mult.: 1
Max.: 3,016

: 1,000

SOIC-20

LTC1387

5.5 V

4.5 V

SMD/SMT

Reel, Cut Tape, MouseReel

RS-232 Interface IC 1x 5V RS232/RS485 Multiprotocol Tran

LTC1387IG#TRPBF
Analog Devices
1: $17.55
13In Stock
1,800Expected 2026/12/18

Mfr. Part No.
LTC1387IG#TRPBF

Mouser Part No
584-LTC1387IG#TRPBF

Analog Devices

RS-232 Interface IC 1x 5V RS232/RS485 Multiprotocol Tran

Datasheet

13In Stock

1,800Expected 2026/12/18

Cut Tape

$17.55

$13.94

$13.04

$12.36

View

Reel

$10.87

MouseReel Available

Min.: 1
Mult.: 1
Max.: 1,813

: 1,800

SSOP-20

LTC1387

Transceiver

150 kb/s

2 Driver

2 Receiver

Half/Full Duplex

5.5 V

4.5 V

SMD/SMT

7 mA

- 40 C

+ 85 C

Without ESD Protection

Reel, Cut Tape, MouseReel

RS-232 Interface IC 1x 5V RS232/RS485 Multiprotocol Tran

LTC1387ISW#TRPBF
Analog Devices
1: $16.72
14In Stock

Mfr. Part No.
LTC1387ISW#TRPBF

Mouser Part No
584-LTC1387ISW#TRPBF

Analog Devices

RS-232 Interface IC 1x 5V RS232/RS485 Multiprotocol Tran

Datasheet

14In Stock

Cut Tape

$16.72

$13.26

$12.40

$11.44

View

Reel

$10.48

MouseReel Available

Min.: 1
Mult.: 1
Max.: 14

: 1,000

SOIC-20

LTC1387

5.5 V

4.5 V

SMD/SMT

Reel, Cut Tape, MouseReel

RS-232 Interface IC Sftwr-Sel Multiprotocol Tran

LTC1543IG#PBF
Analog Devices
1: $29.95
21In Stock

Mfr. Part No.
LTC1543IG#PBF

Mouser Part No
584-LTC1543IG#PBF

Analog Devices

RS-232 Interface IC Sftwr-Sel Multiprotocol Tran

Datasheet

21In Stock

$29.95

$24.00

Min.: 1
Mult.: 1
Max.: 21

SSOP-28

LTC1543

Transceiver

10 Mb/s

3 Driver

3 Receiver

Full Duplex

5 V

SMD/SMT

126 mA

- 40 C

+ 85 C

Without ESD Protection

Tube

RS-232 Interface IC 1.8V to 5.5V RS-232 1x & 2x Trans

LTC2801CDE#PBF
Analog Devices
1: $5.56
240In Stock

Mfr. Part No.
LTC2801CDE#PBF

Mouser Part No
584-LTC2801CDE#PBF

Analog Devices

RS-232 Interface IC 1.8V to 5.5V RS-232 1x & 2x Trans

Learn More

Datasheet

240In Stock

$5.56

$4.24

$3.62

$3.47

Min.: 1
Mult.: 1
Max.: 240

DFN-12

LTC2801

Transceiver

250 kb/s

1 Driver

1 Receiver

Half Duplex

5.5 V

1.8 V

SMD/SMT

2.3 mA

0 C

+ 70 C

10 kV

Tube

RS-232 Interface IC 1.8V to 5.5V RS-232 1x & 2x Trans

LTC2802CDE#TRPBF
Analog Devices
1: $5.70
367In Stock
2,500Expected 2026/09/14

Mfr. Part No.
LTC2802CDE#TRPBF

Mouser Part No
584-LTC2802CDE#TRPBF

Analog Devices

RS-232 Interface IC 1.8V to 5.5V RS-232 1x & 2x Trans

Learn More

Datasheet

367In Stock

2,500Expected 2026/09/14

Cut Tape

$5.70

$4.35

$4.01

$3.64

View

Reel

$3.21

MouseReel Available

Min.: 1
Mult.: 1
Max.: 2,867

: 2,500

DFN-12

LTC2802

SMD/SMT

Reel, Cut Tape, MouseReel

RS-232 Interface IC 1.8V to 5.5V RS-232 1x & 2x Trans

LTC2803CDHC#PBF
Analog Devices
1: $6.44
89In Stock

Mfr. Part No.
LTC2803CDHC#PBF

Mouser Part No
584-LTC2803CDHC#PBF

Analog Devices

RS-232 Interface IC 1.8V to 5.5V RS-232 1x & 2x Trans

Learn More

Datasheet

89In Stock

$6.44

$4.94

$4.30

$4.11

Min.: 1
Mult.: 1
Max.: 89

DFN-16

LTC2803

Transceiver

250 kb/s

2 Driver

2 Receiver

Half Duplex

5.5 V

1.8 V

SMD/SMT

2.3 mA

0 C

+ 70 C

10 kV

Tube

RS-232 Interface IC 1.8V to 5.5V RS-232 1x & 2x Trans

LTC2803CGN-1#PBF
Analog Devices
1: $6.37
100In Stock

Mfr. Part No.
LTC2803CGN-1#PBF

Mouser Part No
584-LTC2803CGN-1#PBF

Analog Devices

RS-232 Interface IC 1.8V to 5.5V RS-232 1x & 2x Trans

Learn More

Datasheet

100In Stock

$6.37

$4.90

$4.51

$4.11

Min.: 1
Mult.: 1
Max.: 100

SSOP-16

LTC2803

Transceiver

250 kb/s

2 Driver

2 Receiver

Half Duplex

SMD/SMT

2.3 mA

0 C

+ 70 C

10 kV

Tube

RS-232 Interface IC 1.8V to 5.5V RS-232 1x & 2x Trans

LTC2803IDHC#PBF
Analog Devices
1: $7.55
158In Stock
1,460On Order

Mfr. Part No.
LTC2803IDHC#PBF

Mouser Part No
584-LTC2803IDHC#PBF

Analog Devices

RS-232 Interface IC 1.8V to 5.5V RS-232 1x & 2x Trans

Learn More

Datasheet

158In Stock

1,460On Order

$7.55

$5.83

$5.02

$4.83

View

Min.: 1
Mult.: 1
Max.: 1,618

DFN-16

LTC2803

Transceiver

250 kb/s

2 Driver

2 Receiver

Half Duplex

5.5 V

1.8 V

SMD/SMT

2.3 mA

- 40 C

+ 85 C

10 kV

Tube

RS-232 Interface IC 1.8V to 5.5V RS-232 1x & 2x Trans

LTC2803IDHC#TRPBF
Analog Devices
1: $7.55
40In Stock
7,500Expected 2026/09/10

Mfr. Part No.
LTC2803IDHC#TRPBF

Mouser Part No
584-LTC2803IDHCTRPBF

Analog Devices

RS-232 Interface IC 1.8V to 5.5V RS-232 1x & 2x Trans

Learn More

Datasheet

40In Stock

7,500Expected 2026/09/10

Cut Tape

$7.55

$5.83

$5.40

$4.93

View

Reel

$4.26

MouseReel Available

Min.: 1
Mult.: 1
Max.: 7,540

: 2,500

DFN-16

LTC2803

SMD/SMT

Reel, Cut Tape, MouseReel

RS-232 Interface IC 1.8V to 5.5V RS-232 1x & 2x Trans

LTC2803IGN-1#PBF
Analog Devices
1: $7.55
127In Stock
200Expected 2026/12/14

Mfr. Part No.
LTC2803IGN-1#PBF

Mouser Part No
584-LTC2803IGN-1#PBF

Analog Devices

RS-232 Interface IC 1.8V to 5.5V RS-232 1x & 2x Trans

Learn More

Datasheet

127In Stock

200Expected 2026/12/14

$7.55

$5.83

$5.33

$4.29

Min.: 1
Mult.: 1
Max.: 327

SSOP-16

LTC2803

Transceiver

250 kb/s

2 Driver

2 Receiver

Half Duplex

5.5 V

1.8 V

SMD/SMT

2.3 mA

- 40 C

+ 85 C

10 kV

Tube

RS-232 Interface IC 1.8V to 5.5V RS-232 1x & 2x Trans

LTC2804CDHC#PBF
Analog Devices
1: $6.56
228In Stock

Mfr. Part No.
LTC2804CDHC#PBF

Mouser Part No
584-LTC2804CDHC#PBF

Analog Devices

RS-232 Interface IC 1.8V to 5.5V RS-232 1x & 2x Trans

Learn More

Datasheet

228In Stock

$6.56

$5.04

$4.38

$4.18

Min.: 1
Mult.: 1
Max.: 228

DFN-16

LTC2804

Transceiver

1 Mb/s

2 Driver

2 Receiver

Half Duplex

5.5 V

1.8 V

SMD/SMT

2.3 mA

0 C

+ 70 C

10 kV

Tube

RS-232 Interface IC 3.3V Sftwr-Sel Multiprotocol Tran

LTC2844CG#PBF
Analog Devices
1: $19.08
31In Stock

Mfr. Part No.
LTC2844CG#PBF

Mouser Part No
584-LTC2844CG#PBF

Analog Devices

RS-232 Interface IC 3.3V Sftwr-Sel Multiprotocol Tran

Learn More

Datasheet

31In Stock

$19.08

$15.50

$14.33

Min.: 1
Mult.: 1
Max.: 31

SSOP-28

LTC2844

Transceiver

10 Mb/s

4 Driver

4 Receiver

Full Duplex

3.6 V

3 V

SMD/SMT

95 mA

0 C

+ 70 C

Without ESD Protection

Tube

RS-232 Interface IC 3.3V Sftwr-Sel Multiprotocol Tran

LTC2844IG#PBF
Analog Devices
1: $22.52
20In Stock

Mfr. Part No.
LTC2844IG#PBF

Mouser Part No
584-LTC2844IG#PBF

Analog Devices

RS-232 Interface IC 3.3V Sftwr-Sel Multiprotocol Tran

Learn More

Datasheet

20In Stock

$22.52

$18.03

Min.: 1
Mult.: 1
Max.: 20

SSOP-28

LTC2844

Transceiver

10 Mb/s

4 Driver

4 Receiver

Full Duplex

3.6 V

3 V

SMD/SMT

95 mA

- 40 C

+ 85 C

Without ESD Protection

Tube

RS-232 Interface IC RS232/RS485 Multiprotocol Trans w/ Int T

LTC2870HUFD#PBF
Analog Devices
1: $22.13
5In Stock
3,431On Order

Mfr. Part No.
LTC2870HUFD#PBF

Mouser Part No
584-LTC2870HUFD#PBF

Analog Devices

RS-232 Interface IC RS232/RS485 Multiprotocol Trans w/ Int T

Datasheet

5In Stock

3,431On Order

$22.13

$17.71

$15.62

$15.12

View

Min.: 1
Mult.: 1
Max.: 3,436

QFN-28

LTC2870

Transceiver

20 Mb/s

2 Driver

2 Receiver

Half/Full Duplex

5.5 V

3.3 V

SMD/SMT

3.3 mA

- 40 C

+ 125 C

26 kV

Tube

RS-232 Interface IC

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BGA-32
DFN-12
DFN-16
DIP-16
DMP-16
LFCSP-12
LFCSP-32
LGA-12
LGA-32
MSOP-10
PDIP-14
PDIP-16
PDIP-18
PDIP-20
PDIP-24
PDIP-28
PDIP-8
PDIP-Narrow-24
PLCC-28
PLCC-44

AD7306
ADM101E
ADM1181A
ADM1385
ADM202
ADM202E
ADM206
ADM206E
ADM207
ADM207E
ADM208
ADM208E
ADM211
ADM211E
ADM213
ADM213E
ADM2209E
ADM222
ADM232A
ADM232L

7 kb/s
20 kb/s
95 kb/s
100 kb/s
116 kb/s
120 kb/s
128 kb/s
150 kb/s
200 kb/s
220 kb/s
230 kb/s
235 kb/s
250 kb/s
256 kb/s
300 kb/s
400 kb/s
450 kb/s
460 kb/s
500 kb/s
920 kb/s

1.65 V
1.8 V
2.25 V
2.35 V
2.5 V
2.7 V
3 V
3 V, 10.8 V
3.3 V
4.5 V
4.75 V
5 V
5 V, 12 V
5 V, 7.5 V
5 V, 9 V
5.4 V
7.5 V
9 V
10.8 V
12 V

150 nA
200 nA
850 nA
1 uA
5 uA
10 uA
30 uA
85 uA
100 uA
160 uA
170 uA
180 uA
200 uA
220 uA
250 uA
250 uA, 2 mA
300 uA
350 uA
400 uA
500 uA