SLIC Analog Data Transmission Interfaces 391

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Part RoHS Manufacturer Telecom IC Type Temperature Grade Terminal Form No. of Terminals Package Code Package Shape Package Body Material Surface Mount No. of Functions No. of Channels Technology Nominal Negative Supply Voltage Maximum Supply Current Nominal Supply Voltage Hybrid Power Supplies (V) Package Style (Meter) Package Equivalence Code Sub-Category Terminal Pitch Maximum Operating Temperature Maximum Noise Battery Supply (V) Minimum Operating Temperature Terminal Finish Terminal Position Data Rate JESD-30 Code Moisture Sensitivity Level (MSL) Maximum Seated Height Width Qualification Minimum Power Supply Rejection Ratio (PSRR) Additional Features Battery Feed JESD-609 Code Maximum Time At Peak Reflow Temperature (s) Peak Reflow Temperature (C) Length

MC3419-1L

Motorola

SLIC

COMMERCIAL

THROUGH-HOLE

18

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

BIPOLAR

-48 V

.2 mA

2-4 CONVERSION

-48

IN-LINE

DIP18,.3

Analog Transmission Interfaces

2.54 mm

70 Cel

10 dBrnC

-48

0 Cel

TIN LEAD

DUAL

R-GDIP-T18

5.08 mm

7.62 mm

Not Qualified

CONSTANT CURRENT

e0

22.73 mm

MC3419C1L

Motorola

SLIC

COMMERCIAL

THROUGH-HOLE

18

DIP

RECTANGULAR

CERAMIC

NO

BIPOLAR

-48 V

2-4 CONVERSION

-48

IN-LINE

DIP18,.3

Analog Transmission Interfaces

2.54 mm

70 Cel

-48

0 Cel

Tin/Lead (Sn/Pb)

DUAL

R-XDIP-T18

Not Qualified

CONSTANT CURRENT

e0

MC3419L

Motorola

SLIC

COMMERCIAL

THROUGH-HOLE

18

DIP

RECTANGULAR

CERAMIC

NO

BIPOLAR

2-4 CONVERSION

IN-LINE

DIP18,.3

Analog Transmission Interfaces

2.54 mm

70 Cel

0 Cel

Tin/Lead (Sn/Pb)

DUAL

R-XDIP-T18

Not Qualified

RESISTIVE

e0

MC3419CL

Motorola

SLIC

COMMERCIAL

THROUGH-HOLE

18

DIP

RECTANGULAR

CERAMIC

NO

BIPOLAR

2-4 CONVERSION

IN-LINE

DIP18,.3

Analog Transmission Interfaces

2.54 mm

70 Cel

0 Cel

Tin/Lead (Sn/Pb)

DUAL

R-XDIP-T18

Not Qualified

RESISTIVE

e0

MC3419A1L

Motorola

SLIC

COMMERCIAL

THROUGH-HOLE

18

DIP

RECTANGULAR

CERAMIC

NO

BIPOLAR

-48 V

2-4 CONVERSION

-48

IN-LINE

DIP18,.3

Analog Transmission Interfaces

2.54 mm

70 Cel

-48

0 Cel

Tin/Lead (Sn/Pb)

DUAL

R-XDIP-T18

Not Qualified

CONSTANT CURRENT

e0

MC3419P

Motorola

SLIC

COMMERCIAL

THROUGH-HOLE

18

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

BIPOLAR

2-4 CONVERSION

IN-LINE

DIP18,.3

Analog Transmission Interfaces

2.54 mm

70 Cel

0 Cel

Tin/Lead (Sn/Pb)

DUAL

R-PDIP-T18

Not Qualified

RESISTIVE

e0

MC3419AL

Motorola

SLIC

COMMERCIAL

THROUGH-HOLE

18

DIP

RECTANGULAR

CERAMIC

NO

BIPOLAR

2-4 CONVERSION

IN-LINE

DIP18,.3

Analog Transmission Interfaces

2.54 mm

70 Cel

0 Cel

Tin/Lead (Sn/Pb)

DUAL

R-XDIP-T18

Not Qualified

RESISTIVE

e0

LE88286DLC

Microchip Technology

SLIC

GULL WING

80

HLQFP

SQUARE

PLASTIC/EPOXY

YES

1

CMOS

3.3 V

2-4 CONVERSION

FLATPACK, HEAT SINK/SLUG, LOW PROFILE

.65 mm

85 Cel

19 dBrnC

-40 Cel

QUAD

S-PQFP-G80

1.6 mm

14 mm

40 dB

14 mm

HC5549CMZ

Renesas Electronics

SLIC

J BEND

28

QCCJ

SQUARE

PLASTIC/EPOXY

YES

1

BIPOLAR

8 mA

5 V

2-4 CONVERSION

CHIP CARRIER

LDCC28,.5SQ

1.27 mm

75 Cel

19 dBrnC

-24 TO -48

0 Cel

MATTE TIN

QUAD

S-PQCC-J28

3

4.57 mm

11.505 mm

CONSTANT CURRENT/RESISTIVE

e3

30

245

11.505 mm

PEB4266TV12SLL62

Intel

SLIC

UNSPECIFIED

UNSPECIFIED

UNSPECIFIED

1

UNSPECIFIED

SI3210M-GT

Silicon Labs

SLIC

INDUSTRIAL

GULL WING

38

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

3.3 V

3.3/5

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP38,.25,20

Analog Transmission Interfaces

.5 mm

85 Cel

15 dBrnC

-96 TO -10

-40 Cel

DUAL

R-PDSO-G38

1.2 mm

4.4 mm

Not Qualified

40 dB

CONSTANT CURRENT

40

260

9.7 mm

SI3210M-GTR

Silicon Labs

SLIC

INDUSTRIAL

GULL WING

38

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

3.3 V

3.3/5

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP38,.25,20

Analog Transmission Interfaces

.5 mm

85 Cel

15 dBrnC

-96 TO -10

-40 Cel

Matte Tin (Sn)

DUAL

R-PDSO-G38

3

1.2 mm

4.4 mm

Not Qualified

40 dB

CONSTANT CURRENT

e3

40

260

9.7 mm

SI32185-A-FMR

Silicon Labs

SLIC

COMMERCIAL

NO LEAD

40

QCCN

SQUARE

UNSPECIFIED

YES

1

3.3 V

CHIP CARRIER

70 Cel

0 Cel

QUAD

S-XQCC-N40

NOT SPECIFIED

NOT SPECIFIED

HC55143IM

Renesas Electronics

SLIC

INDUSTRIAL

J BEND

32

QCCJ

RECTANGULAR

PLASTIC/EPOXY

YES

1

.003 mA

5 V

2-4 CONVERSION

5

CHIP CARRIER

LDCC32,.5X.6

Analog Transmission Interfaces

1.27 mm

85 Cel

13 dBrnC

-24 AND -48

-40 Cel

TIN LEAD

QUAD

R-PQCC-J32

1

3.55 mm

11.43 mm

Not Qualified

CONSTANT CURRENT/RESISTIVE

e0

13.97 mm

LE88286DLCT

Microchip Technology

SLIC

GULL WING

80

HLQFP

SQUARE

PLASTIC/EPOXY

YES

1

CMOS

3.3 V

2-4 CONVERSION

FLATPACK, HEAT SINK/SLUG, LOW PROFILE

.65 mm

85 Cel

19 dBrnC

-40 Cel

QUAD

S-PQFP-G80

1.6 mm

14 mm

40 dB

14 mm

SI32192-A-GM1

Silicon Labs

SLIC

NO LEAD

38

HVQCCN

RECTANGULAR

UNSPECIFIED

YES

1

3.3 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC38,.16X.24,16

.4 mm

85 Cel

14 dBrnC

-100 TO -15

-40 Cel

QUAD

R-XQCC-N38

.9 mm

4 mm

CONSTANT CURRENT/RESISTIVE

6 mm

SI32192-A-GM1R

Silicon Labs

SLIC

NO LEAD

38

HVQCCN

RECTANGULAR

UNSPECIFIED

YES

1

3.3 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC38,.16X.24,16

.4 mm

85 Cel

14 dBrnC

-100 TO -15

-40 Cel

QUAD

R-XQCC-N38

.9 mm

4 mm

CONSTANT CURRENT/RESISTIVE

6 mm

LCP22-150B1RL

STMicroelectronics

SLIC

GULL WING

8

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

SMALL OUTLINE

SOP8,.3

1.27 mm

125 Cel

-120 TO 120

-55 Cel

DUAL

R-PDSO-G8

1

2.1 mm

5.24 mm

Hybrid fiber coax (HFC) AVAILABLE

CONSTANT CURRENT/RESISTIVE

5.3 mm

LE79555-2BVC

Microsemi

SLIC

COMMERCIAL

GULL WING

44

TQFP

SQUARE

PLASTIC/EPOXY

YES

1

CMOS

5 V

FLATPACK, THIN PROFILE

.8 mm

70 Cel

0 Cel

QUAD

S-PQFP-G44

1.2 mm

10 mm

Not Qualified

10 mm

HC55185AIM

Intersil

SLIC

INDUSTRIAL

J BEND

28

QCCJ

SQUARE

PLASTIC/EPOXY

YES

1

BIPOLAR

.0135 mA

5 V

2-4 CONVERSION

5

CHIP CARRIER

LDCC28,.5SQ

Analog Transmission Interfaces

1.27 mm

85 Cel

13 dBrnC

+100

-40 Cel

TIN LEAD

QUAD

S-PQCC-J28

1

4.57 mm

11.505 mm

Not Qualified

45 dB

CONSTANT CURRENT

e0

11.505 mm

SI3220-FQ

Silicon Labs

SLIC

COMMERCIAL

GULL WING

64

TFQFP

SQUARE

PLASTIC/EPOXY

YES

1

CMOS

3.3 V

3.3/5

FLATPACK, THIN PROFILE, FINE PITCH

TQFP64,.47SQ

Analog Transmission Interfaces

.5 mm

70 Cel

15 dBrnC

-15 TO -99

0 Cel

QUAD

S-PQFP-G64

1.2 mm

10 mm

Not Qualified

40 dB

CONSTANT CURRENT

NOT SPECIFIED

NOT SPECIFIED

10 mm

SI32185-A-FM

Silicon Labs

SLIC

COMMERCIAL

NO LEAD

40

QCCN

SQUARE

UNSPECIFIED

YES

1

3.3 V

CHIP CARRIER

70 Cel

0 Cel

QUAD

S-XQCC-N40

NOT SPECIFIED

NOT SPECIFIED

SI32176-B-FM1

Silicon Labs

SLIC

NO LEAD

42

HLGA

RECTANGULAR

UNSPECIFIED

YES

1

3.3 V

2-4 CONVERSION

GRID ARRAY, HEAT SINK/SLUG

LCC42,.27X.2,20

.5 mm

70 Cel

12 dBrnC

-15 TO -110

0 Cel

BOTTOM

R-XLGA-N42

.9 mm

5 mm

CONSTANT CURRENT/RESISTIVE

7 mm

SI32178-B-FM1

Silicon Labs

SLIC

HC3-5504B-5

Intersil

SLIC

COMMERCIAL EXTENDED

THROUGH-HOLE

24

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

BIPOLAR

.006 mA

5 V

2-4 CONVERSION

5/12

IN-LINE

DIP24,.6

Analog Transmission Interfaces

2.54 mm

75 Cel

5 dBrnC

-48

0 Cel

TIN LEAD

DUAL

R-PDIP-T24

6.35 mm

15.24 mm

Not Qualified

15 dB

CONSTANT CURRENT

e0

31 mm

HC3-5504B1-5

Intersil

SLIC

COMMERCIAL

THROUGH-HOLE

24

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

BIPOLAR

6 mA

2-4 CONVERSION

5/12

IN-LINE

DIP24,.6

Analog Transmission Interfaces

2.54 mm

70 Cel

5 dBrnC

-48

0 Cel

Tin/Lead (Sn/Pb)

DUAL

R-PDIP-T24

Not Qualified

15 dB

CONSTANT CURRENT

e0

HC55140IBZ

Renesas Electronics

SLIC

INDUSTRIAL

GULL WING

28

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

.003 mA

5 V

2-4 CONVERSION

5

SMALL OUTLINE

SOP28,.4

Analog Transmission Interfaces

1.27 mm

85 Cel

13 dBrnC

-24 AND -48

-40 Cel

MATTE TIN

DUAL

R-PDSO-G28

3

2.65 mm

7.5 mm

Not Qualified

CONSTANT CURRENT/RESISTIVE

e3

17.9 mm

HC5517BCM

Intersil

SLIC

COMMERCIAL EXTENDED

J BEND

28

QCCJ

SQUARE

PLASTIC/EPOXY

YES

1

BIPOLAR

.006 mA

5 V

2-4 CONVERSION

5

CHIP CARRIER

LDCC28,.5SQ

Analog Transmission Interfaces

1.27 mm

75 Cel

-24

0 Cel

TIN LEAD

QUAD

S-PQCC-J28

4.57 mm

11.505 mm

Not Qualified

20 dB

RESISTIVE

e0

11.505 mm

HC55185AIM96

Intersil

SLIC

INDUSTRIAL

J BEND

28

QCCJ

SQUARE

PLASTIC/EPOXY

YES

1

BIPOLAR

.0135 mA

5 V

2-4 CONVERSION

5

CHIP CARRIER

LDCC28,.5SQ

Analog Transmission Interfaces

1.27 mm

85 Cel

14 dBrnC

-24 AND -100

-40 Cel

TIN LEAD

QUAD

S-PQCC-J28

1

4.57 mm

11.505 mm

Not Qualified

CONSTANT CURRENT/RESISTIVE

e0

11.505 mm

HC55185DIMZ

Renesas Electronics

SLIC

MATTE TIN

3

e3

30

245

SI3211-E-GM

Silicon Labs

SLIC

INDUSTRIAL

NO LEAD

38

HVQCCN

RECTANGULAR

UNSPECIFIED

YES

1

CMOS

3.3 V

3.3/5

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC38,.2X.28,20

Analog Transmission Interfaces

.5 mm

85 Cel

15 dBrnC

-96 TO -10

-40 Cel

QUAD

R-XQCC-N38

.95 mm

5 mm

Not Qualified

40 dB

CONSTANT CURRENT

40

260

7 mm

SI3215-C-FM

Silicon Labs

SLIC

COMMERCIAL

NO LEAD

38

HVQCCN

RECTANGULAR

UNSPECIFIED

YES

1

CMOS

3.3 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

.5 mm

70 Cel

0 Cel

QUAD

R-XQCC-N38

.95 mm

5 mm

Not Qualified

40

260

7 mm

SI32178-B-FM1R

Silicon Labs

SLIC

NO LEAD

42

HLGA

RECTANGULAR

UNSPECIFIED

YES

1

3.3 V

2-4 CONVERSION

GRID ARRAY, HEAT SINK/SLUG

LCC42,.27X.2,20

.5 mm

70 Cel

12 dBrnC

-15 TO -110

0 Cel

BOTTOM

R-XLGA-N42

3

.9 mm

5 mm

CONSTANT CURRENT/RESISTIVE

7 mm

SI32179-B-FM1

Silicon Labs

SLIC

NO LEAD

42

HLGA

RECTANGULAR

UNSPECIFIED

YES

1

3.3 V

2-4 CONVERSION

GRID ARRAY, HEAT SINK/SLUG

LCC42,.27X.2,20

.5 mm

70 Cel

12 dBrnC

-15 TO -136

0 Cel

BOTTOM

R-XLGA-N42

.9 mm

5 mm

CONSTANT CURRENT/RESISTIVE

7 mm

SI32182-A-FMR

Silicon Labs

SLIC

COMMERCIAL

NO LEAD

36

QCCN

RECTANGULAR

UNSPECIFIED

YES

1

3.3 V

CHIP CARRIER

70 Cel

0 Cel

PURE TIN

QUAD

R-XQCC-N36

3

40

260

SI32192-A-FM1R

Silicon Labs

SLIC

NO LEAD

38

HVQCCN

RECTANGULAR

UNSPECIFIED

YES

1

3.3 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC38,.16X.24,16

.4 mm

70 Cel

14 dBrnC

-100 TO -15

0 Cel

QUAD

R-XQCC-N38

.9 mm

4 mm

CONSTANT CURRENT/RESISTIVE

6 mm

SI32193-A-FM1

Silicon Labs

SLIC

NO LEAD

38

HVQCCN

RECTANGULAR

UNSPECIFIED

YES

1

3.3 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC38,.16X.24,16

.4 mm

70 Cel

14 dBrnC

-100 TO -15

0 Cel

QUAD

R-XQCC-N38

.9 mm

4 mm

CONSTANT CURRENT/RESISTIVE

6 mm

SI3220-FQR

Silicon Labs

SLIC

COMMERCIAL

GULL WING

64

TFQFP

SQUARE

PLASTIC/EPOXY

YES

1

CMOS

3.3 V

3.3/5

FLATPACK, THIN PROFILE, FINE PITCH

TQFP64,.47SQ

Analog Transmission Interfaces

.5 mm

70 Cel

15 dBrnC

-15 TO -99

0 Cel

QUAD

S-PQFP-G64

1.2 mm

10 mm

Not Qualified

40 dB

CONSTANT CURRENT

NOT SPECIFIED

NOT SPECIFIED

10 mm

SI3220-GQ

Silicon Labs

SLIC

INDUSTRIAL

GULL WING

64

TFQFP

SQUARE

PLASTIC/EPOXY

YES

1

CMOS

3.3 V

3.3/5

FLATPACK, THIN PROFILE, FINE PITCH

TQFP64,.47SQ

Analog Transmission Interfaces

.5 mm

85 Cel

15 dBrnC

-15 TO -99

-40 Cel

QUAD

S-PQFP-G64

1.2 mm

10 mm

Not Qualified

40 dB

CONSTANT CURRENT

NOT SPECIFIED

NOT SPECIFIED

10 mm

LE9643AQCT

Microchip Technology

SLIC

INDUSTRIAL

NO LEAD

36

HQCCN

RECTANGULAR

UNSPECIFIED

YES

1

3.3 V

2-4 CONVERSION

CHIP CARRIER, HEAT SINK/SLUG

LCC36,.16X.24,16

.4 mm

85 Cel

16 dBrnC

-40 Cel

MATTE TIN

QUAD

R-XQCC-N36

3

.9 mm

4 mm

32 dB

CONSTANT CURRENT

e3

10

260

6 mm

LE87501NQC

Microchip Technology

SLIC

COMMERCIAL EXTENDED

NO LEAD

16

HVQCCN

SQUARE

UNSPECIFIED

YES

1

12 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC16,.16SQ,25

.65 mm

85 Cel

0 Cel

QUAD

S-XQCC-N16

1 mm

4 mm

4 mm

LE9540DUQCT

Microchip Technology

SLIC

INDUSTRIAL

NO LEAD

40

HVQCCN

SQUARE

UNSPECIFIED

YES

1

5.6 mA

3.3 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC40,.24SQ,20

.5 mm

85 Cel

13 dBrnC

-12 TO -145

-40 Cel

QUAD

S-XQCC-N40

1 mm

6 mm

25 dB

CONSTANT CURRENT

6 mm

LE9622RQC

Microchip Technology

SLIC

INDUSTRIAL

NO LEAD

53

HVQCCN

SQUARE

UNSPECIFIED

YES

1

3.3 V

2-4 CONVERSION

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC53,.28SQ,16

.4 mm

85 Cel

19 dBrnC

-20 TO -150

-40 Cel

QUAD

S-XQCC-N53

1 mm

7 mm

32 dB

CONSTANT CURRENT

7 mm

LE9632RQCT

Microchip Technology

SLIC

INDUSTRIAL

NO LEAD

53

HVQCCN

SQUARE

UNSPECIFIED

YES

1

3.3 V

2-4 CONVERSION

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC53,.28SQ,16

.4 mm

85 Cel

19 dBrnC

-20 TO -150

-40 Cel

QUAD

S-XQCC-N53

1 mm

7 mm

32 dB

CONSTANT CURRENT

7 mm

LE9641PQC

Microchip Technology

SLIC

INDUSTRIAL

NO LEAD

48

HVQCCN

SQUARE

UNSPECIFIED

YES

1

3.3 V

2-4 CONVERSION

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC48,.28SQ,20

.5 mm

85 Cel

19 dBrnC

-12 TO -105

-40 Cel

MATTE TIN

QUAD

S-XQCC-N48

3

1 mm

7 mm

32 dB

CONSTANT CURRENT

e3

10

260

7 mm

LE9652PQC

Microchip Technology

SLIC

INDUSTRIAL

NO LEAD

48

HVQCCN

SQUARE

UNSPECIFIED

YES

1

3.3 V

2-4 CONVERSION

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC48,.28SQ,20

.5 mm

85 Cel

19 dBrnC

-12 TO -150

-40 Cel

QUAD

S-XQCC-N48

1 mm

7 mm

32 dB

CONSTANT CURRENT

7 mm

SI3201-FS

Silicon Labs

SLIC

COMMERCIAL

GULL WING

16

HSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

3.3 V

3.3/5

SMALL OUTLINE, HEAT SINK/SLUG

SOP16,.25

Analog Transmission Interfaces

1.27 mm

70 Cel

15 dBrnC

-96 TO -10

0 Cel

DUAL

R-PDSO-G16

1.75 mm

3.9 mm

Not Qualified

40 dB

CONSTANT CURRENT

NOT SPECIFIED

NOT SPECIFIED

9.9 mm

SI3220-G-GQR

Silicon Labs

SLIC

INDUSTRIAL

GULL WING

64

TFQFP

SQUARE

PLASTIC/EPOXY

YES

1

CMOS

3.3 V

FLATPACK, THIN PROFILE, FINE PITCH

.5 mm

85 Cel

-40 Cel

QUAD

S-PQFP-G64

1.2 mm

10 mm

Not Qualified

40

260

10 mm

Analog Data Transmission Interfaces

Analog data transmission interfaces are used to transmit analog signals between electronic devices. They are commonly used in a variety of applications, such as audio and video equipment, medical devices, and industrial control systems.

Analog data transmission interfaces typically consist of a transmitter and a receiver. The transmitter converts the analog signal into a form that can be transmitted over a communication channel, such as a wire or radio frequency signal. The receiver then converts the transmitted signal back into its original analog form.

Some common types of analog data transmission interfaces include:

1. Analog audio interfaces: These are used to transmit audio signals between electronic devices, such as microphones, amplifiers, and speakers. Examples include XLR, RCA, and TRS connectors.

2. Composite video interfaces: These are used to transmit analog video signals, such as those used in standard definition television. Examples include RCA and BNC connectors.

3. VGA interfaces: These are used to transmit analog video signals from computers and other devices to displays, such as computer monitors and projectors.

4. Analog sensor interfaces: These are used to transmit analog signals from sensors, such as temperature sensors or pressure sensors, to electronic devices that can process and analyze the data.

Analog data transmission interfaces offer several advantages over digital interfaces. They are often simpler and less expensive to implement, and they can provide high-quality audio and video signals without the need for compression or conversion. However, they can also be susceptible to interference and noise, and their performance may be limited by the quality of the transmission channel.