RS-422/RS-485 Interface IC

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MAX304x 5V Quad RS-485/RS-422 Transmitters

Analog Devices Inc. MAX304x 5V Quad RS-485/RS-422 Transmitters are designed for digital data transmission over twisted-pair balanced lines. All transmitter outputs are protected to ±10kV using the Human Body Model. In addition, the MAX304x withstands ±4kV per IEC 1000-4-4 Electrical Fast Transient/Burst Stressing. The MAX3040/MAX3043 (250kbps) and the MAX3041/MAX3044 (2.5Mbps) are slew-rate limited transmitters that minimize EMI and reduce reflections caused by improperly terminated cables, thus allowing error-free transmission.

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Part #

RS-422/RS-485 Interface IC 10kV ESD-Protected, Quad 5V RS-485/RS-422 Transmitters

MAX3045BESE+
Analog Devices / Maxim Integrated
1: S/37.33
3,819In Stock

Mfr. Part #
MAX3045BESE+

Mouser Part #
700-MAX3045BESE

Analog Devices / Maxim Integrated

RS-422/RS-485 Interface IC 10kV ESD-Protected, Quad 5V RS-485/RS-422 Transmitters

Learn More

Datasheet

3,819In Stock

S/37.33

S/28.49

S/26.16

S/24.33

S/23.12

Min.: 1
Mult.: 1
Max.: 400

MAX3045

SMD/SMT

SO-Narrow-16

Driver

4 Driver

0 Receiver

20 Mb/s

5.25 V

4.75 V

- 40 C

+ 85 C

Tube

RS-422/RS-485 Interface IC 10kV ESD-Protected, Quad 5V RS-485/RS-422 Transmitters

MAX3042BCSE+
Analog Devices / Maxim Integrated
1: S/37.95
128In Stock

Mfr. Part #
MAX3042BCSE+

Mouser Part #
700-MAX3042BCSE

Analog Devices / Maxim Integrated

RS-422/RS-485 Interface IC 10kV ESD-Protected, Quad 5V RS-485/RS-422 Transmitters

Learn More

Datasheet

128In Stock

S/37.95

S/29.54

S/26.16

S/24.09

View

Min.: 1
Mult.: 1

MAX3042

SMD/SMT

SO-Narrow-16

Driver

4 Driver

0 Receiver

20 Mb/s

5.25 V

4.75 V

0 C

+ 70 C

Tube

RS-422/RS-485 Interface IC 10kV ESD-Protected, Quad 5V RS-485/RS-422 Transmitters

MAX3044CUE+
Analog Devices / Maxim Integrated
1: S/39.55
191In Stock

Mfr. Part #
MAX3044CUE+

Mouser Part #
700-MAX3044CUE

Analog Devices / Maxim Integrated

RS-422/RS-485 Interface IC 10kV ESD-Protected, Quad 5V RS-485/RS-422 Transmitters

Learn More

Datasheet

191In Stock

S/39.55

S/30.75

S/26.74

S/25.18

View

Min.: 1
Mult.: 1

MAX3044

SMD/SMT

TSSOP-16

Driver

4 Driver

0 Receiver

2.5 Mb/s

5 V

0 C

+ 70 C

Tube

RS-422/RS-485 Interface IC 10kV ESD-Protected, Quad 5V RS-485/RS-422 Transmitters

MAX3042BCSE+T
Analog Devices / Maxim Integrated
1: S/37.95
208In Stock

Mfr. Part #
MAX3042BCSE+T

Mouser Part #
700-MAX3042BCSET

Analog Devices / Maxim Integrated

RS-422/RS-485 Interface IC 10kV ESD-Protected, Quad 5V RS-485/RS-422 Transmitters

Learn More

Datasheet

208In Stock

Cut Tape

S/37.95

S/29.54

S/27.48

S/25.15

View

Reel

S/21.80

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

MAX3042

SMD/SMT

SO-Narrow-16

Driver

4 Driver

0 Receiver

20 Mb/s

5.25 V

4.75 V

0 C

+ 70 C

Reel, Cut Tape, MouseReel

RS-422/RS-485 Interface IC 10kV ESD-Protected, Quad 5V RS-485/RS-422 Transmitters

MAX3040CSE+
Analog Devices / Maxim Integrated
1: S/32.31
477In Stock

Mfr. Part #
MAX3040CSE+

Mouser Part #
700-MAX3040CSE

Analog Devices / Maxim Integrated

RS-422/RS-485 Interface IC 10kV ESD-Protected, Quad 5V RS-485/RS-422 Transmitters

Learn More

Datasheet

477In Stock

S/32.31

S/26.86

S/25.11

S/23.98

View

Min.: 1
Mult.: 1

MAX3040

SMD/SMT

SO-Narrow-16

Driver

4 Driver

0 Receiver

250 kb/s

5 V

0 C

+ 70 C

Tube

RS-422/RS-485 Interface IC 10kV ESD-Protected, Quad 5V RS-485/RS-422 Transmitters

MAX3041ESE+
Analog Devices / Maxim Integrated
1: S/37.95
895In Stock

Mfr. Part #
MAX3041ESE+

Mouser Part #
700-MAX3041ESE

Analog Devices / Maxim Integrated

RS-422/RS-485 Interface IC 10kV ESD-Protected, Quad 5V RS-485/RS-422 Transmitters

Learn More

Datasheet

895In Stock

S/37.95

S/29.54

S/26.16

S/25.11

View

Min.: 1
Mult.: 1

MAX3041

SMD/SMT

SO-Narrow-16

Driver

4 Driver

0 Receiver

2.5 Mb/s

5.25 V

4.75 V

- 40 C

+ 85 C

Tube

RS-422/RS-485 Interface IC 10kV ESD-Protected, Quad 5V RS-485/RS-422 Transmitters

MAX3041EUE+
Analog Devices / Maxim Integrated
1: S/41.42
328In Stock

Mfr. Part #
MAX3041EUE+

Mouser Part #
700-MAX3041EUE

Analog Devices / Maxim Integrated

RS-422/RS-485 Interface IC 10kV ESD-Protected, Quad 5V RS-485/RS-422 Transmitters

Learn More

Datasheet

328In Stock

S/41.42

S/32.35

S/27.68

S/26.70

View

Min.: 1
Mult.: 1

MAX3041

SMD/SMT

TSSOP-16

Driver

4 Driver

0 Receiver

2.5 Mb/s

5 V

- 40 C

+ 85 C

Tube

RS-422/RS-485 Interface IC 10kV ESD-Protected, Quad 5V RS-485/RS-422 Transmitters

MAX3042BESE+
Analog Devices / Maxim Integrated
1: S/39.28
267In Stock

Mfr. Part #
MAX3042BESE+

Mouser Part #
700-MAX3042BESE

Analog Devices / Maxim Integrated

RS-422/RS-485 Interface IC 10kV ESD-Protected, Quad 5V RS-485/RS-422 Transmitters

Learn More

Datasheet

267In Stock

S/39.28

S/30.63

S/27.13

S/26.04

View

Min.: 1
Mult.: 1

MAX3042

SMD/SMT

SO-Narrow-16

Driver

4 Driver

0 Receiver

20 Mb/s

5.25 V

4.75 V

- 40 C

+ 85 C

Tube

RS-422/RS-485 Interface IC 10kV ESD-Protected, Quad 5V RS-485/RS-422 Transmitters

MAX3042BEUE+
Analog Devices / Maxim Integrated
1: S/37.95
937In Stock

Mfr. Part #
MAX3042BEUE+

Mouser Part #
700-MAX3042BEUE

Analog Devices / Maxim Integrated

RS-422/RS-485 Interface IC 10kV ESD-Protected, Quad 5V RS-485/RS-422 Transmitters

Learn More

Datasheet

937In Stock

S/37.95

S/29.54

S/25.22

S/24.33

View

Min.: 1
Mult.: 1

MAX3042

SMD/SMT

TSSOP-16

Driver

4 Driver

0 Receiver

20 Mb/s

5 V

- 40 C

+ 85 C

Tube

RS-422/RS-485 Interface IC 10kV ESD-Protected, Quad 5V RS-485/RS-422 Transmitters

MAX3044CSE+
Analog Devices / Maxim Integrated
1: S/37.95
606In Stock

Mfr. Part #
MAX3044CSE+

Mouser Part #
700-MAX3044CSE

Analog Devices / Maxim Integrated

RS-422/RS-485 Interface IC 10kV ESD-Protected, Quad 5V RS-485/RS-422 Transmitters

Learn More

Datasheet

606In Stock

S/37.95

S/29.54

S/26.16

S/25.11

View

Min.: 1
Mult.: 1

MAX3044

SMD/SMT

SOIC-16

Driver

4 Driver

0 Receiver

2.5 Mb/s

5 V

0 C

+ 70 C

Tube

RS-422/RS-485 Interface IC 10kV ESD-Protected, Quad 5V RS-485/RS-422 Transmitters

MAX3044ESE+
Analog Devices / Maxim Integrated
1: S/37.95
587In Stock

Mfr. Part #
MAX3044ESE+

Mouser Part #
700-MAX3044ESE

Analog Devices / Maxim Integrated

RS-422/RS-485 Interface IC 10kV ESD-Protected, Quad 5V RS-485/RS-422 Transmitters

Learn More

Datasheet

587In Stock

S/37.95

S/29.54

S/26.16

S/25.11

View

Min.: 1
Mult.: 1

MAX3044

SMD/SMT

SO-Narrow-16

Driver

4 Driver

0 Receiver

2.5 Mb/s

5 V

- 40 C

+ 85 C

Tube

RS-422/RS-485 Interface IC 10kV ESD-Protected, Quad 5V RS-485/RS-422 Transmitters

MAX3045BESE+T
Analog Devices / Maxim Integrated
1: S/37.95
977In Stock

Mfr. Part #
MAX3045BESE+T

Mouser Part #
700-MAX3045BESET

Analog Devices / Maxim Integrated

RS-422/RS-485 Interface IC 10kV ESD-Protected, Quad 5V RS-485/RS-422 Transmitters

Learn More

Datasheet

977In Stock

Cut Tape

S/37.95

S/29.54

S/27.48

S/25.15

View

Reel

S/22.23

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

MAX3045

SMD/SMT

SO-Narrow-16

Driver

4 Driver

0 Receiver

20 Mb/s

5.25 V

4.75 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

RS-422/RS-485 Interface IC 10kV ESD-Protected, Quad 5V RS-485/RS-422 Transmitters

MAX3045BEUE+
Analog Devices / Maxim Integrated
1: S/37.95
546In Stock
2,016Expected 9/8/2026

Mfr. Part #
MAX3045BEUE+

Mouser Part #
700-MAX3045BEUE

Analog Devices / Maxim Integrated

RS-422/RS-485 Interface IC 10kV ESD-Protected, Quad 5V RS-485/RS-422 Transmitters

Learn More

Datasheet

546In Stock

2,016Expected 9/8/2026

S/37.95

S/29.54

S/25.22

S/24.33

View

Min.: 1
Mult.: 1

MAX3045

SMD/SMT

TSSOP-16

Driver

4 Driver

0 Receiver

20 Mb/s

5.25 V

4.75 V

- 40 C

+ 85 C

Tube

RS-422/RS-485 Interface IC 10kV ESD-Protected, Quad 5V RS-485/RS-422 Transmitters

MAX3045BEUE+T
Analog Devices / Maxim Integrated
1: S/37.95
1,308In Stock

Mfr. Part #
MAX3045BEUE+T

Mouser Part #
700-MAX3045BEUET

Analog Devices / Maxim Integrated

RS-422/RS-485 Interface IC 10kV ESD-Protected, Quad 5V RS-485/RS-422 Transmitters

Learn More

Datasheet

1,308In Stock

Cut Tape

S/37.95

S/29.54

S/27.48

S/25.15

View

Reel

S/21.56

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

MAX3045

SMD/SMT

TSSOP-16

Driver

20 Mb/s

5.25 V

4.75 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

RS-422/RS-485 Interface IC 10kV ESD-Protected, Quad 5V RS-485/RS-422 Transmitters

MAX3045BEWE+T
Analog Devices / Maxim Integrated
1: S/38.07
460In Stock

Mfr. Part #
MAX3045BEWE+T

Mouser Part #
700-MAX3045BEWET

Analog Devices / Maxim Integrated

RS-422/RS-485 Interface IC 10kV ESD-Protected, Quad 5V RS-485/RS-422 Transmitters

Learn More

Datasheet

460In Stock

Cut Tape

S/38.07

S/29.62

S/27.52

S/25.18

Reel

S/23.39

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

MAX3045

SMD/SMT

SO-Wide-16

Driver

20 Mb/s

5.25 V

4.75 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

RS-422/RS-485 Interface IC 10kV ESD-Protected, Quad 5V RS-485/RS-422 Transmitters

MAX3040CUE+
Analog Devices / Maxim Integrated
1: S/36.20
62In Stock

Mfr. Part #
MAX3040CUE+

Mouser Part #
700-MAX3040CUE

Analog Devices / Maxim Integrated

RS-422/RS-485 Interface IC 10kV ESD-Protected, Quad 5V RS-485/RS-422 Transmitters

Learn More

Datasheet

62In Stock

S/36.20

S/28.14

S/23.98

S/23.12

View

Min.: 1
Mult.: 1

MAX3040

SMD/SMT

TSSOP-16

Driver

4 Driver

0 Receiver

250 kb/s

5.25 V

4.75 V

0 C

+ 70 C

Tube

RS-422/RS-485 Interface IC 10kV ESD-Protected, Quad 5V RS-485/RS-422 Transmitters

MAX3040ESE+
Analog Devices / Maxim Integrated
1: S/40.64
61In Stock

Mfr. Part #
MAX3040ESE+

Mouser Part #
700-MAX3040ESE

Analog Devices / Maxim Integrated

RS-422/RS-485 Interface IC 10kV ESD-Protected, Quad 5V RS-485/RS-422 Transmitters

Learn More

Datasheet

61In Stock

S/40.64

S/31.61

S/29.35

S/26.35

View

Min.: 1
Mult.: 1

MAX3040

SMD/SMT

SO-Narrow-16

Driver

4 Driver

0 Receiver

250 kb/s

5.25 V

4.75 V

- 40 C

+ 85 C

Tube

RS-422/RS-485 Interface IC 10kV ESD-Protected, Quad 5V RS-485/RS-422 Transmitters

MAX3040EUE+
Analog Devices / Maxim Integrated
1: S/39.55
87In Stock

Mfr. Part #
MAX3040EUE+

Mouser Part #
700-MAX3040EUE

Analog Devices / Maxim Integrated

RS-422/RS-485 Interface IC 10kV ESD-Protected, Quad 5V RS-485/RS-422 Transmitters

Learn More

Datasheet

87In Stock

S/39.55

S/30.75

S/26.74

S/25.77

View

Min.: 1
Mult.: 1

MAX3040

SMD/SMT

TSSOP-16

Driver

4 Driver

0 Receiver

250 kb/s

5 V

- 40 C

+ 85 C

Tube

RS-422/RS-485 Interface IC 10kV ESD-Protected, Quad 5V RS-485/RS-422 Transmitters

MAX3040EWE+
Analog Devices / Maxim Integrated
1: S/39.28
86In Stock

Mfr. Part #
MAX3040EWE+

Mouser Part #
700-MAX3040EWE

Analog Devices / Maxim Integrated

RS-422/RS-485 Interface IC 10kV ESD-Protected, Quad 5V RS-485/RS-422 Transmitters

Learn More

Datasheet

86In Stock

S/39.28

S/30.63

S/27.33

S/25.61

View

Min.: 1
Mult.: 1

MAX3040

SMD/SMT

SO-Wide-16

Driver

4 Driver

0 Receiver

250 kb/s

5.25 V

4.75 V

- 40 C

+ 85 C

Tube

RS-422/RS-485 Interface IC 10kV ESD-Protected, Quad 5V RS-485/RS-422 Transmitters

MAX3041CSE+
Analog Devices / Maxim Integrated
1: S/37.95
96In Stock

Mfr. Part #
MAX3041CSE+

Mouser Part #
700-MAX3041CSE

Analog Devices / Maxim Integrated

RS-422/RS-485 Interface IC 10kV ESD-Protected, Quad 5V RS-485/RS-422 Transmitters

Learn More

Datasheet

96In Stock

S/37.95

S/29.54

S/26.16

S/24.68

View

Min.: 1
Mult.: 1

MAX3041

SMD/SMT

SO-Narrow-16

Driver

4 Driver

0 Receiver

2.5 Mb/s

5.25 V

4.75 V

0 C

+ 70 C

Tube

RS-422/RS-485 Interface IC 10kV ESD-Protected, Quad 5V RS-485/RS-422 Transmitters

MAX3041CUE+
Analog Devices / Maxim Integrated
1: S/37.95
112In Stock

Mfr. Part #
MAX3041CUE+

Mouser Part #
700-MAX3041CUE

Analog Devices / Maxim Integrated

RS-422/RS-485 Interface IC 10kV ESD-Protected, Quad 5V RS-485/RS-422 Transmitters

Learn More

Datasheet

112In Stock

S/37.95

S/29.54

S/25.22

S/25.15

View

Min.: 1
Mult.: 1

MAX3041

SMD/SMT

TSSOP-16

Driver

4 Driver

0 Receiver

2.5 Mb/s

5 V

0 C

+ 70 C

Tube

RS-422/RS-485 Interface IC 10kV ESD-Protected, Quad 5V RS-485/RS-422 Transmitters

MAX3041EWE+
Analog Devices / Maxim Integrated
1: S/39.28
4In Stock

Mfr. Part #
MAX3041EWE+

Mouser Part #
700-MAX3041EWE

Analog Devices / Maxim Integrated

RS-422/RS-485 Interface IC 10kV ESD-Protected, Quad 5V RS-485/RS-422 Transmitters

Learn More

Datasheet

4In Stock

S/39.28

S/30.63

S/27.33

S/25.61

View

Min.: 1
Mult.: 1

MAX3041

SMD/SMT

SO-Wide-16

Driver

4 Driver

0 Receiver

2.5 Mb/s

5.25 V

4.75 V

- 40 C

+ 85 C

Tube

RS-422/RS-485 Interface IC 10kV ESD-Protected, Quad 5V RS-485/RS-422 Transmitters

MAX3042BCUE+
Analog Devices / Maxim Integrated
1: S/37.95
192In Stock
288Expected 8/24/2026

Mfr. Part #
MAX3042BCUE+

Mouser Part #
700-MAX3042BCUE

Analog Devices / Maxim Integrated

RS-422/RS-485 Interface IC 10kV ESD-Protected, Quad 5V RS-485/RS-422 Transmitters

Learn More

Datasheet

192In Stock

288Expected 8/24/2026

S/37.95

S/29.54

S/25.22

S/24.33

View

Min.: 1
Mult.: 1

MAX3042

SMD/SMT

TSSOP-16

Driver

4 Driver

0 Receiver

20 Mb/s

5 V

0 C

+ 70 C

Tube

RS-422/RS-485 Interface IC 10kV ESD-Protected, Quad 5V RS-485/RS-422 Transmitters

MAX3042BCWE+
Analog Devices / Maxim Integrated
1: S/37.95
149In Stock

Mfr. Part #
MAX3042BCWE+

Mouser Part #
700-MAX3042BCWE+

Analog Devices / Maxim Integrated

RS-422/RS-485 Interface IC 10kV ESD-Protected, Quad 5V RS-485/RS-422 Transmitters

Learn More

Datasheet

149In Stock

S/37.95

S/29.54

S/26.35

S/25.22

View

Min.: 1
Mult.: 1

MAX3042

SMD/SMT

SO-Wide-16

Driver

4 Driver

0 Receiver

20 Mb/s

5.25 V

4.75 V

0 C

+ 70 C

Tube

RS-422/RS-485 Interface IC 10kV ESD-Protected, Quad 5V RS-485/RS-422 Transmitters

MAX3042BEWE+
Analog Devices / Maxim Integrated
1: S/37.95
88In Stock

Mfr. Part #
MAX3042BEWE+

Mouser Part #
700-MAX3042BEWE+

Analog Devices / Maxim Integrated

RS-422/RS-485 Interface IC 10kV ESD-Protected, Quad 5V RS-485/RS-422 Transmitters

Learn More

Datasheet

88In Stock

S/37.95

S/29.54

S/26.35

S/24.72

View

Min.: 1
Mult.: 1

MAX3042

SMD/SMT

SO-Wide-16

Driver

4 Driver

0 Receiver

20 Mb/s

5 V

- 40 C

+ 85 C

Tube

MAX304x 5V Quad RS-485/RS-422 Transmitters

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