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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 3V-5.5V RS-232 1-DRV/1-RCV LOW PWR

SP3220ECY-L/TR
MaxLinear
1: $1.39
102In Stock
5,000Expected 5/1/2027

Mfr. Part No.
SP3220ECY-L/TR

Mouser Part No
701-SP3220ECY-L/TR

MaxLinear

RS-232 Interface IC 3V-5.5V RS-232 1-DRV/1-RCV LOW PWR

Datasheet

102In Stock

5,000Expected 5/1/2027

Cut Tape

$1.39

$0.994

$0.898

$0.806

View

Reel

$0.657

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

TSSOP-16

SP3220E

Transceiver

120 kb/s

1 Driver

1 Receiver

Full Duplex

5.5 V

3 V

SMD/SMT

300 uA

0 C

+ 70 C

15 kV

Reel, Cut Tape, MouseReel

RS-232 Interface IC 3V-5.5V RS-232 1-DRV/1-RCV LOW PWR

SP3220EEA-L/TR
MaxLinear
1: $1.47
1,640In Stock
12,000On Order

Mfr. Part No.
SP3220EEA-L/TR

Mouser Part No
701-SP3220EEA-L/TR

MaxLinear

RS-232 Interface IC 3V-5.5V RS-232 1-DRV/1-RCV LOW PWR

Datasheet

1,640In Stock

12,000On Order

Cut Tape

$1.47

$1.06

$0.953

$0.84

Reel

$0.709

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

SSOP-16

SP3220E

Transceiver

120 kb/s

1 Driver

1 Receiver

Full Duplex

5.5 V

3 V

SMD/SMT

300 uA

- 40 C

+ 85 C

15 kV

Reel, Cut Tape, MouseReel

RS-232 Interface IC Intelligent RS-232 Transceiver

SP3221EEA-L/TR
MaxLinear
1: $1.67
1,436In Stock

Mfr. Part No.
SP3221EEA-L/TR

Mouser Part No
701-SP3221EEA-L/TR

MaxLinear

RS-232 Interface IC Intelligent RS-232 Transceiver

Learn More

Datasheet

1,436In Stock

Cut Tape

$1.67

$1.21

$1.09

$0.968

Reel

$0.796

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

SSOP-16

SP3221E

Transceiver

250 kb/s

1 Driver

1 Receiver

Full Duplex

5.5 V

3 V

SMD/SMT

300 uA

- 40 C

+ 85 C

15 kV

Reel, Cut Tape, MouseReel

RS-232 Interface IC Intelligent 3-5.5V RS-232 Xcvr

SP3221EEY-L/TR
MaxLinear
1: $1.65
2,265In Stock
5,000Expected 9/9/2026

Mfr. Part No.
SP3221EEY-L/TR

Mouser Part No
701-SP3221EEY-L/TR

MaxLinear

RS-232 Interface IC Intelligent 3-5.5V RS-232 Xcvr

Learn More

Datasheet

2,265In Stock

5,000Expected 9/9/2026

Cut Tape

$1.65

$1.18

$1.06

$0.937

Reel

$0.763

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

TSSOP-16

SP3221E

Transceiver

250 kb/s

1 Driver

1 Receiver

Full Duplex

5.5 V

3 V

SMD/SMT

300 uA

- 40 C

+ 85 C

15 kV

Reel, Cut Tape, MouseReel

RS-232 Interface IC 3V-5.5V RS-232 2-DRV/2-RCV LOW PWR

SP3222EBEA-L/TR
MaxLinear
1: $2.72
4In Stock

Mfr. Part No.
SP3222EBEA-L/TR

Mouser Part No
701-SP3222EBEA-L/TR

MaxLinear

RS-232 Interface IC 3V-5.5V RS-232 2-DRV/2-RCV LOW PWR

Learn More

Datasheet

4In Stock

Cut Tape

$2.72

$1.97

$1.80

$1.60

View

Reel

$1.39

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

SSOP-20

SP3222EB

Transceiver

250 kb/s

2 Driver

2 Receiver

Full Duplex

5.5 V

3 V

SMD/SMT

300 uA

- 40 C

+ 85 C

15 kV

Reel, Cut Tape, MouseReel

RS-232 Interface IC 3V-5.5V RS-232 2-DRV/2-RCV LOW PWR

SP3222EBEY-L/TR
MaxLinear
1: $2.65
8In Stock
2,500Expected 6/4/2027

Mfr. Part No.
SP3222EBEY-L/TR

Mouser Part No
701-SP3222EBEY-L/TR

MaxLinear

RS-232 Interface IC 3V-5.5V RS-232 2-DRV/2-RCV LOW PWR

Learn More

Datasheet

8In Stock

2,500Expected 6/4/2027

Cut Tape

$2.65

$1.92

$1.75

$1.56

View

Reel

$1.31

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

TSSOP-20

SP3222EB

Transceiver

250 kb/s

2 Driver

2 Receiver

Full Duplex

5.5 V

3 V

SMD/SMT

300 uA

- 40 C

+ 85 C

15 kV

Reel, Cut Tape, MouseReel

RS-232 Interface IC 3V-5.5V RS-232 2-DRV/2-RCV LOW PWR

SP3222ECA-L/TR
MaxLinear
1: $2.39
61In Stock
1,500Expected 13/7/2027

Mfr. Part No.
SP3222ECA-L/TR

Mouser Part No
701-SP3222ECA-L/TR

MaxLinear

RS-232 Interface IC 3V-5.5V RS-232 2-DRV/2-RCV LOW PWR

Learn More

Datasheet

61In Stock

1,500Expected 13/7/2027

Cut Tape

$2.39

$1.77

$1.60

$1.43

Reel

$1.19

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

SSOP-20

SP3222E

Transceiver

235 kb/s

2 Driver

2 Receiver

Full Duplex

5.5 V

3 V

SMD/SMT

300 uA

0 C

+ 70 C

15 kV

Reel, Cut Tape, MouseReel

RS-232 Interface IC 3V-5.5V RS-232 2-DRV/2-RCV LOW PWR

SP3222ECT-L/TR
MaxLinear
1: $3.02
449In Stock
1,500Expected 13/10/2026

Mfr. Part No.
SP3222ECT-L/TR

Mouser Part No
701-SP3222ECT-L/TR

MaxLinear

RS-232 Interface IC 3V-5.5V RS-232 2-DRV/2-RCV LOW PWR

Learn More

Datasheet

449In Stock

1,500Expected 13/10/2026

Cut Tape

$3.02

$2.23

$2.04

$1.82

Reel

$1.54

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

SOIC-18

SP3222E

Transceiver

235 kb/s

2 Driver

2 Receiver

Full Duplex

5.5 V

3 V

SMD/SMT

300 uA

0 C

+ 70 C

15 kV

Reel, Cut Tape, MouseReel

RS-232 Interface IC 3V-5.5V RS-232 2-DRV/2-RCV LOW PWR

SP3222EEA-L/TR
MaxLinear
1: $2.57
611In Stock
1,500Expected 27/7/2027

Mfr. Part No.
SP3222EEA-L/TR

Mouser Part No
701-SP3222EEA-L/TR

MaxLinear

RS-232 Interface IC 3V-5.5V RS-232 2-DRV/2-RCV LOW PWR

Learn More

Datasheet

611In Stock

1,500Expected 27/7/2027

Cut Tape

$2.57

$1.88

$1.71

$1.52

Reel

$1.29

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

SSOP-20

SP3222E

Transceiver

235 kb/s

2 Driver

2 Receiver

Full Duplex

5.5 V

3 V

SMD/SMT

300 uA

- 40 C

+ 85 C

15 kV

Reel, Cut Tape, MouseReel

RS-232 Interface IC 3V-5.5V RS-232 2-DRV/2-RCV LOW PWR

SP3222EEY-L/TR
MaxLinear
1: $2.53
425In Stock
10,000On Order

Mfr. Part No.
SP3222EEY-L/TR

Mouser Part No
701-SP3222EEY-L/TR

MaxLinear

RS-232 Interface IC 3V-5.5V RS-232 2-DRV/2-RCV LOW PWR

Learn More

Datasheet

425In Stock

10,000On Order

Cut Tape

$2.53

$1.86

$1.69

Reel

$1.69

MouseReel Available

Min.: 1
Mult.: 1
Max.: 25

: 2,500

TSSOP-20

SP3222E

Transceiver

235 kb/s

2 Driver

2 Receiver

Full Duplex

5.5 V

3 V

SMD/SMT

300 uA

- 40 C

+ 85 C

15 kV

Reel, Cut Tape, MouseReel

RS-232 Interface IC INTELLIGENT +3V-+5V RS-232

SP3223EBEY-L/TR
MaxLinear
1: $2.56
35In Stock
12,500On Order

Mfr. Part No.
SP3223EBEY-L/TR

Mouser Part No
701-SP3223EBEY-L/TR

MaxLinear

RS-232 Interface IC INTELLIGENT +3V-+5V RS-232

Datasheet

35In Stock

12,500On Order

Cut Tape

$2.56

$1.88

$1.71

$1.52

View

Reel

$1.29

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

TSSOP-20

SP3223EB

Transceiver

250 kb/s

2 Driver

2 Receiver

Full Duplex

5.5 V

3 V

SMD/SMT

300 uA

- 40 C

+ 85 C

15 kV

Reel, Cut Tape, MouseReel

RS-232 Interface IC RS232 120 kbps temp 0C to 70C

SP3223ECY-L
MaxLinear
1: $2.56
352In Stock

Mfr. Part No.
SP3223ECY-L

Mouser Part No
701-SP3223ECY-L

MaxLinear

RS-232 Interface IC RS232 120 kbps temp 0C to 70C

Datasheet

352In Stock

$2.56

$1.88

$1.60

$1.48

View

Min.: 1
Mult.: 1

TSSOP-20

SP3223E

Transceiver

235 kb/s

2 Driver

2 Receiver

Full Duplex

5.5 V

3 V

SMD/SMT

300 uA

0 C

+ 70 C

15 kV

Tube

RS-232 Interface IC RS232 120 kbps temp -40C to 85C

SP3223EEY-L
MaxLinear
1: $2.31
175In Stock
296Expected 12/1/2027

Mfr. Part No.
SP3223EEY-L

Mouser Part No
701-SP3223EEY-L

MaxLinear

RS-232 Interface IC RS232 120 kbps temp -40C to 85C

Datasheet

175In Stock

296Expected 12/1/2027

$2.31

$1.70

$1.41

$1.32

View

Min.: 1
Mult.: 1

TSSOP-20

SP3223E

Transceiver

235 kb/s

2 Driver

2 Receiver

Full Duplex

5.5 V

3 V

SMD/SMT

300 uA

- 40 C

+ 85 C

15 kV

Tube

RS-232 Interface IC RS232 250 kbps temp 0C to 70C

SP3232EBCN-L
MaxLinear
1: $1.55
888In Stock
1,372Expected 3/8/2027

Mfr. Part No.
SP3232EBCN-L

Mouser Part No
701-SP3232EBCN-L

MaxLinear

RS-232 Interface IC RS232 250 kbps temp 0C to 70C

Learn More

Datasheet

888In Stock

1,372Expected 3/8/2027

$1.55

$1.11

$1.03

$0.902

View

Min.: 1
Mult.: 1

SOIC-Narrow-16

SP3232EB

Transceiver

250 kb/s

2 Driver

2 Receiver

Full Duplex

5.5 V

3 V

SMD/SMT

300 uA

0 C

+ 70 C

15 kV

Tube

RS-232 Interface IC TRUE +3V-+5.5V RS-232

SP3232EBCY-L/TR
MaxLinear
1: $1.63
256In Stock
10,000On Order

Mfr. Part No.
SP3232EBCY-L/TR

Mouser Part No
701-SP3232EBCY-L/TR

MaxLinear

RS-232 Interface IC TRUE +3V-+5.5V RS-232

Learn More

Datasheet

256In Stock

10,000On Order

Cut Tape

$1.63

$1.17

Reel

$1.17

MouseReel Available

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

: 2,500

TSSOP-16

SP3232EB

Transceiver

250 kb/s

2 Driver

2 Receiver

Full Duplex

5.5 V

3 V

SMD/SMT

300 uA

0 C

+ 70 C

15 kV

Reel, Cut Tape, MouseReel

RS-232 Interface IC TRUE +3V-+5.5V RS-232

SP3232EBEA-L/TR
MaxLinear
1: $1.77
67In Stock
3,000Expected 1/9/2026

Mfr. Part No.
SP3232EBEA-L/TR

Mouser Part No
701-SP3232EBEA-L/TR

MaxLinear

RS-232 Interface IC TRUE +3V-+5.5V RS-232

Learn More

Datasheet

67In Stock

3,000Expected 1/9/2026

Cut Tape

$1.77

$1.30

$1.18

$1.02

View

Reel

$0.87

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

SSOP-16

SP3232EB

Transceiver

250 kb/s

2 Driver

2 Receiver

Full Duplex

5.5 V

3 V

SMD/SMT

300 uA

- 40 C

+ 85 C

15 kV

Reel, Cut Tape, MouseReel

RS-232 Interface IC TRUE +3V-+5.5V RS-232

SP3232EBEY-L/TR
MaxLinear
1: $1.70
240In Stock
20,000On Order

Mfr. Part No.
SP3232EBEY-L/TR

Mouser Part No
701-SP3232EBEY-L/TR

MaxLinear

RS-232 Interface IC TRUE +3V-+5.5V RS-232

Learn More

Datasheet

240In Stock

20,000On Order

Cut Tape

$1.70

$1.23

$1.12

$0.986

View

Reel

$0.823

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

TSSOP-16

SP3232EB

Transceiver

250 kb/s

2 Driver

2 Receiver

Full Duplex

5.5 V

3 V

SMD/SMT

300 uA

- 40 C

+ 85 C

15 kV

Reel, Cut Tape, MouseReel

RS-232 Interface IC TRUE +3V-+5.5V RS-232

SP3232ECA-L/TR
MaxLinear
1: $1.62
207In Stock
10,500On Order

Mfr. Part No.
SP3232ECA-L/TR

Mouser Part No
701-SP3232ECA-L/TR

MaxLinear

RS-232 Interface IC TRUE +3V-+5.5V RS-232

Learn More

Datasheet

207In Stock

10,500On Order

Cut Tape

$1.62

$1.17

$1.06

$0.932

View

Reel

$0.772

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

SSOP-16

SP3232E

Transceiver

120 kb/s

2 Driver

2 Receiver

Full Duplex

5.5 V

3 V

SMD/SMT

300 uA

0 C

+ 70 C

15 kV

Reel, Cut Tape, MouseReel

RS-232 Interface IC RS232 120 kbps temp 0C to 70C

SP3232ECN-L
MaxLinear
1: $1.50
68In Stock
1,666On Order

Mfr. Part No.
SP3232ECN-L

Mouser Part No
701-SP3232ECN-L

MaxLinear

RS-232 Interface IC RS232 120 kbps temp 0C to 70C

Learn More

Datasheet

68In Stock

1,666On Order

$1.50

$1.07

$0.894

$0.786

View

Min.: 1
Mult.: 1

SOIC-Narrow-16

SP3232E

Transceiver

120 kb/s

2 Driver

2 Receiver

Full Duplex

5.5 V

3 V

SMD/SMT

300 uA

0 C

+ 70 C

15 kV

Tube

RS-232 Interface IC TRUE +3V-+5.5V RS-232

SP3232ECT-L/TR
MaxLinear
1: $2.00
221In Stock
4,500Expected 17/11/2026

Mfr. Part No.
SP3232ECT-L/TR

Mouser Part No
701-SP3232ECT-L/TR

MaxLinear

RS-232 Interface IC TRUE +3V-+5.5V RS-232

Learn More

Datasheet

221In Stock

4,500Expected 17/11/2026

Cut Tape

$2.00

$1.47

$1.32

$1.17

View

Reel

$1.01

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

SOIC-Wide-16

SP3232E

Transceiver

120 kb/s

2 Driver

2 Receiver

Full Duplex

5.5 V

3 V

SMD/SMT

300 uA

0 C

+ 70 C

15 kV

Reel, Cut Tape, MouseReel

RS-232 Interface IC RS232 120 kbps temp 0C to 70C

SP3232ECY-L
MaxLinear
1: $1.55
274In Stock
6,840On Order

Mfr. Part No.
SP3232ECY-L

Mouser Part No
701-SP3232ECY-L

MaxLinear

RS-232 Interface IC RS232 120 kbps temp 0C to 70C

Learn More

Datasheet

274In Stock

6,840On Order

$1.55

$1.11

$0.843

Min.: 1
Mult.: 1
Max.: 150

TSSOP-16

SP3232E

Transceiver

120 kb/s

2 Driver

2 Receiver

Full Duplex

5.5 V

3 V

SMD/SMT

300 uA

0 C

+ 70 C

15 kV

Tube

RS-232 Interface IC TRUE +3V-+5.5V RS-232

SP3232ECY-L/TR
MaxLinear
1: $1.55
24In Stock
15,000Expected 6/4/2027

Mfr. Part No.
SP3232ECY-L/TR

Mouser Part No
701-SP3232ECY-L/TR

MaxLinear

RS-232 Interface IC TRUE +3V-+5.5V RS-232

Learn More

Datasheet

24In Stock

15,000Expected 6/4/2027

Cut Tape

$1.55

$1.11

$0.997

$0.877

View

Reel

$0.725

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

TSSOP-16

SP3232E

Transceiver

120 kb/s

2 Driver

2 Receiver

Full Duplex

5.5 V

3 V

SMD/SMT

300 uA

0 C

+ 70 C

15 kV

Reel, Cut Tape, MouseReel

RS-232 Interface IC RS232 120 kbps temp -40C to 85C

SP3232EEA-L
MaxLinear
1: $1.70
125In Stock
1,140On Order

Mfr. Part No.
SP3232EEA-L

Mouser Part No
701-SP3232EEA-L

MaxLinear

RS-232 Interface IC RS232 120 kbps temp -40C to 85C

Learn More

Datasheet

125In Stock

1,140On Order

$1.70

$1.23

$1.11

$0.955

View

Min.: 1
Mult.: 1

SSOP-16

SP3232E

Transceiver

120 kb/s

2 Driver

2 Receiver

Full Duplex

5.5 V

3 V

SMD/SMT

300 uA

- 40 C

+ 85 C

15 kV

Tube

RS-232 Interface IC TRUE +3V-+5.5V RS-232

SP3232EEA-L/TR
MaxLinear
1: $1.71
240In Stock
21,000On Order

Mfr. Part No.
SP3232EEA-L/TR

Mouser Part No
701-SP3232EEA-L/TR

MaxLinear

RS-232 Interface IC TRUE +3V-+5.5V RS-232

Learn More

Datasheet

240In Stock

21,000On Order

Cut Tape

$1.71

$1.24

$1.12

$0.989

View

Reel

$0.808

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

SSOP-16

SP3232E

Transceiver

120 kb/s

2 Driver

2 Receiver

Full Duplex

5.5 V

3 V

SMD/SMT

300 uA

- 40 C

+ 85 C

15 kV

Reel, Cut Tape, MouseReel

RS-232 Interface IC RS232 120 kbps temp -40C to 85C

SP3232EEN-L
MaxLinear
1: $1.59
273In Stock
2,646Expected 6/4/2027

Mfr. Part No.
SP3232EEN-L

Mouser Part No
701-SP3232EEN-L

MaxLinear

RS-232 Interface IC RS232 120 kbps temp -40C to 85C

Learn More

Datasheet

273In Stock

2,646Expected 6/4/2027

$1.59

$1.24

$1.10

$1.06

Min.: 1
Mult.: 1

SOIC-Narrow-16

SP3232E

Transceiver

120 kb/s

2 Driver

2 Receiver

Full Duplex

5.5 V

3 V

SMD/SMT

300 uA

- 40 C

+ 85 C

15 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