LFQFP Other Function Telecom Interface ICs 175

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Part RoHS Manufacturer Telecom IC Type Temperature Grade Terminal Form No. of Terminals Package Code Package Shape Total Dose (V) Package Body Material Applications Surface Mount No. of Functions Output Code No. of Channels Technology Screening Level Nominal Negative Supply Voltage No. of Transceivers Maximum Supply Current Nominal Supply Voltage Hybrid Input Code Power Supplies (V) ISDN Access Rate Package Style (Meter) Package Equivalence Code Sub-Category Carrier Type-3 Terminal Pitch Maximum Operating Temperature Resolution (um) Battery Supply (V) Minimum Output High Voltage Maximum Output Low Voltage Standard Minimum Operating Temperature Maximum Gain Tolerance Terminal Finish Maximum Output Voltage Terminal Position Data Rate JESD-30 Code Reference Point Output (V) Moisture Sensitivity Level (MSL) Maximum Seated Height Linear Coding Carrier Type-2 Carrier Type-1 Width Qualification Maximum Output Low Current Companding Law Input Type Additional Features Battery Feed Maximum Analog Input JESD-609 Code Maximum Time At Peak Reflow Temperature (s) Peak Reflow Temperature (C) Length Filter

AD9875BST

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

GULL WING

48

LFQFP

SQUARE

PLASTIC/EPOXY

YES

1

CMOS

.288 mA

3.3 V

3.3

FLATPACK, LOW PROFILE, FINE PITCH

QFP48,.35SQ,20

Modems

.5 mm

85 Cel

-40 Cel

TIN LEAD

QUAD

S-PQFP-G48

3

1.6 mm

7 mm

Not Qualified

e0

240

7 mm

AD9860BST

Analog Devices

TELECOM CIRCUIT

OTHER

GULL WING

128

LFQFP

RECTANGULAR

PLASTIC/EPOXY

YES

1

3.3 V

3.3

FLATPACK, LOW PROFILE, FINE PITCH

QFP128,.63X.87,20

Other Telecom ICs

.5 mm

70 Cel

-40 Cel

TIN LEAD

QUAD

R-PQFP-G128

3

1.6 mm

14 mm

Not Qualified

e0

240

20 mm

AD9860BSTZRL

Analog Devices

TELECOM CIRCUIT

OTHER

GULL WING

128

LFQFP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

3.3 V

3.3

FLATPACK, LOW PROFILE, FINE PITCH

QFP128,.63X.87,20

Other Telecom ICs

.5 mm

70 Cel

-40 Cel

MATTE TIN

QUAD

R-PQFP-G128

3

1.6 mm

14 mm

Not Qualified

e3

260

20 mm

AD9874BSTZ

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

GULL WING

48

LFQFP

SQUARE

PLASTIC/EPOXY

YES

1

3 V

FLATPACK, LOW PROFILE, FINE PITCH

.5 mm

85 Cel

-40 Cel

MATTE TIN

QUAD

S-PQFP-G48

1.6 mm

7 mm

Not Qualified

e3

7 mm

AD9876BST

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

GULL WING

48

LFQFP

SQUARE

PLASTIC/EPOXY

YES

1

CMOS

.288 mA

3.3 V

3.3

FLATPACK, LOW PROFILE, FINE PITCH

QFP48,.35SQ,20

Modems

.5 mm

85 Cel

-40 Cel

TIN LEAD

QUAD

S-PQFP-G48

1.6 mm

7 mm

Not Qualified

e0

7 mm

AD9878BST

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

GULL WING

100

LFQFP

SQUARE

PLASTIC/EPOXY

YES

1

CMOS

3.3 V

3.3

FLATPACK, LOW PROFILE, FINE PITCH

QFP100,.63SQ,20

Modems

.5 mm

85 Cel

-40 Cel

TIN LEAD

QUAD

S-PQFP-G100

3

1.6 mm

14 mm

Not Qualified

e0

240

14 mm

AD9870

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

GULL WING

48

LFQFP

SQUARE

PLASTIC/EPOXY

YES

1

.0506 mA

3.3 V

3.3,5

FLATPACK, LOW PROFILE, FINE PITCH

QFP48,.35SQ,20

Other Telecom ICs

.5 mm

85 Cel

-40 Cel

TIN LEAD

QUAD

S-PQFP-G48

1.6 mm

7 mm

Not Qualified

e0

7 mm

AD9875BSTZRL

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

GULL WING

48

LFQFP

SQUARE

PLASTIC/EPOXY

YES

1

CMOS

3.3 V

FLATPACK, LOW PROFILE, FINE PITCH

.5 mm

85 Cel

-40 Cel

MATTE TIN

QUAD

S-PQFP-G48

1.6 mm

7 mm

Not Qualified

e3

7 mm

AD9876BSTRL

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

GULL WING

48

LFQFP

SQUARE

PLASTIC/EPOXY

YES

1

CMOS

.288 mA

3.3 V

3.3

FLATPACK, LOW PROFILE, FINE PITCH

QFP48,.35SQ,20

Modems

.5 mm

85 Cel

-40 Cel

TIN LEAD

QUAD

S-PQFP-G48

1.6 mm

7 mm

Not Qualified

e0

7 mm

AD9874ABSTZRL

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

GULL WING

48

LFQFP

SQUARE

PLASTIC/EPOXY

YES

1

3 V

FLATPACK, LOW PROFILE, FINE PITCH

.5 mm

85 Cel

-40 Cel

MATTE TIN

QUAD

S-PQFP-G48

1.6 mm

7 mm

Not Qualified

e3

7 mm

AD9862BSTZ

Analog Devices

TELECOM CIRCUIT

OTHER

GULL WING

128

LFQFP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

3.3 V

3.3

FLATPACK, LOW PROFILE, FINE PITCH

QFP128,.63X.87,20

Other Telecom ICs

.5 mm

70 Cel

-40 Cel

MATTE TIN

QUAD

R-PQFP-G128

3

1.6 mm

14 mm

Not Qualified

e3

30

260

20 mm

ADF7030-1BSTZN

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

GULL WING

48

LFQFP

SQUARE

PLASTIC/EPOXY

YES

1

3 V

FLATPACK, LOW PROFILE, FINE PITCH

.5 mm

85 Cel

-40 Cel

MATTE TIN

QUAD

S-PQFP-G48

3

1.6 mm

7 mm

e3

30

260

7 mm

AD9860BSTZ

Analog Devices

TELECOM CIRCUIT

OTHER

GULL WING

128

LFQFP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

3.3 V

3.3

FLATPACK, LOW PROFILE, FINE PITCH

QFP128,.63X.87,20

Other Telecom ICs

.5 mm

70 Cel

-40 Cel

MATTE TIN

QUAD

R-PQFP-G128

3

1.6 mm

14 mm

Not Qualified

e3

30

260

20 mm

AD9862BST

Analog Devices

TELECOM CIRCUIT

OTHER

GULL WING

128

LFQFP

RECTANGULAR

PLASTIC/EPOXY

YES

1

3.3 V

3.3

FLATPACK, LOW PROFILE, FINE PITCH

QFP128,.63X.87,20

Other Telecom ICs

.5 mm

70 Cel

-40 Cel

TIN LEAD

QUAD

R-PQFP-G128

3

1.6 mm

14 mm

Not Qualified

e0

240

20 mm

AD9875BSTZ

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

GULL WING

48

LFQFP

SQUARE

PLASTIC/EPOXY

YES

1

CMOS

3.3 V

FLATPACK, LOW PROFILE, FINE PITCH

.5 mm

85 Cel

-40 Cel

MATTE TIN

QUAD

S-PQFP-G48

1.6 mm

7 mm

Not Qualified

e3

7 mm

AD9874BST

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

GULL WING

48

LFQFP

SQUARE

PLASTIC/EPOXY

YES

1

BICMOS

.0265 mA

3 V

3/3.3,3/5

FLATPACK, LOW PROFILE, FINE PITCH

QFP48,.35SQ,20

Other Telecom ICs

.5 mm

85 Cel

-40 Cel

TIN LEAD

QUAD

S-PQFP-G48

1.6 mm

7 mm

Not Qualified

e0

7 mm

AD9856ASTRL

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

GULL WING

48

LFQFP

SQUARE

PLASTIC/EPOXY

YES

1

CMOS

3 V

FLATPACK, LOW PROFILE, FINE PITCH

.5 mm

85 Cel

-40 Cel

TIN LEAD

QUAD

S-PQFP-G48

1.6 mm

7 mm

Not Qualified

e0

7 mm

AD9874

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

GULL WING

48

LFQFP

SQUARE

PLASTIC/EPOXY

YES

1

3 V

FLATPACK, LOW PROFILE, FINE PITCH

.5 mm

85 Cel

-40 Cel

TIN LEAD

QUAD

S-PQFP-G48

1.6 mm

7 mm

Not Qualified

e0

7 mm

AD9862BSTZRL

Analog Devices

TELECOM CIRCUIT

OTHER

GULL WING

128

LFQFP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

3.3 V

3.3

FLATPACK, LOW PROFILE, FINE PITCH

QFP128,.63X.87,20

Other Telecom ICs

.5 mm

70 Cel

-40 Cel

MATTE TIN

QUAD

R-PQFP-G128

3

1.6 mm

14 mm

Not Qualified

e3

30

260

20 mm

AD9856AST

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

GULL WING

48

LFQFP

SQUARE

PLASTIC/EPOXY

YES

1

CMOS

.53 mA

3 V

3

FLATPACK, LOW PROFILE, FINE PITCH

QFP48,.35SQ,20

Other Telecom ICs

.5 mm

85 Cel

-40 Cel

TIN LEAD

QUAD

S-PQFP-G48

3

1.6 mm

7 mm

Not Qualified

e0

240

7 mm

AD9878BSTZ

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

GULL WING

100

LFQFP

SQUARE

PLASTIC/EPOXY

YES

1

CMOS

3.3 V

3.3

FLATPACK, LOW PROFILE, FINE PITCH

QFP100,.63SQ,20

Modems

.5 mm

85 Cel

-40 Cel

MATTE TIN

QUAD

S-PQFP-G100

3

1.6 mm

14 mm

Not Qualified

e3

260

14 mm

ADF7030-1BSTZN-RL

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

GULL WING

48

LFQFP

SQUARE

PLASTIC/EPOXY

YES

1

3 V

FLATPACK, LOW PROFILE, FINE PITCH

.5 mm

85 Cel

-40 Cel

MATTE TIN

QUAD

S-PQFP-G48

3

1.6 mm

7 mm

e3

30

260

7 mm

AD9862BSTRL

Analog Devices

TELECOM CIRCUIT

OTHER

GULL WING

128

LFQFP

RECTANGULAR

PLASTIC/EPOXY

YES

1

3.3 V

3.3

FLATPACK, LOW PROFILE, FINE PITCH

QFP128,.63X.87,20

Other Telecom ICs

.5 mm

70 Cel

-40 Cel

TIN LEAD

QUAD

R-PQFP-G128

3

1.6 mm

14 mm

Not Qualified

e0

240

20 mm

AD9878BSTRL

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

GULL WING

100

LFQFP

SQUARE

PLASTIC/EPOXY

YES

1

CMOS

3.3 V

3.3

FLATPACK, LOW PROFILE, FINE PITCH

QFP100,.63SQ,20

Modems

.5 mm

85 Cel

-40 Cel

TIN LEAD

QUAD

S-PQFP-G100

1.6 mm

14 mm

Not Qualified

e0

14 mm

AD9875BSTRL

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

GULL WING

48

LFQFP

SQUARE

PLASTIC/EPOXY

YES

1

CMOS

.288 mA

3.3 V

3.3

FLATPACK, LOW PROFILE, FINE PITCH

QFP48,.35SQ,20

Modems

.5 mm

85 Cel

-40 Cel

TIN LEAD

QUAD

S-PQFP-G48

3

1.6 mm

7 mm

Not Qualified

e0

240

7 mm

AD9860BSTRL

Analog Devices

TELECOM CIRCUIT

OTHER

GULL WING

128

LFQFP

RECTANGULAR

PLASTIC/EPOXY

YES

1

3.3 V

3.3

FLATPACK, LOW PROFILE, FINE PITCH

QFP128,.63X.87,20

Other Telecom ICs

.5 mm

70 Cel

-40 Cel

TIN LEAD

QUAD

R-PQFP-G128

3

1.6 mm

14 mm

Not Qualified

e0

240

20 mm

MAX2991ECM+

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

GULL WING

48

LFQFP

SQUARE

PLASTIC/EPOXY

YES

1

CMOS

.1 mA

3.3 V

3.3

FLATPACK, LOW PROFILE, FINE PITCH

QFP48,.35SQ,20

Modems

.5 mm

85 Cel

-40 Cel

MATTE TIN

QUAD

S-PQFP-G48

1

1.6 mm

7 mm

Not Qualified

e3

30

260

7 mm

MAX2991ECM+T

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

GULL WING

48

LFQFP

SQUARE

PLASTIC/EPOXY

YES

1

CMOS

.1 mA

3.3 V

3.3

FLATPACK, LOW PROFILE, FINE PITCH

QFP48,.35SQ,20

Modems

.5 mm

85 Cel

-40 Cel

MATTE TIN

QUAD

S-PQFP-G48

1

1.6 mm

7 mm

Not Qualified

e3

30

260

7 mm

STM7E1A

STMicroelectronics

TELECOM CIRCUIT

OTHER

GULL WING

64

LFQFP

SQUARE

PLASTIC/EPOXY

YES

1

-3.3 V

3.3 V

+-3.3

FLATPACK, LOW PROFILE, FINE PITCH

QFP64,.47SQ,20

Other Telecom ICs

.5 mm

85 Cel

-25 Cel

NICKEL PALLADIUM GOLD

QUAD

S-PQFP-G64

3

1.6 mm

10 mm

Not Qualified

e4

10 mm

STV0361

STMicroelectronics

TELECOM CIRCUIT

GULL WING

64

LFQFP

SQUARE

PLASTIC/EPOXY

YES

1

FLATPACK, LOW PROFILE, FINE PITCH

.5 mm

NICKEL PALLADIUM GOLD

QUAD

S-PQFP-G64

3

1.6 mm

10 mm

Not Qualified

e4

30

260

10 mm

STV0299B

STMicroelectronics

TELECOM CIRCUIT

COMMERCIAL

GULL WING

64

LFQFP

SQUARE

PLASTIC/EPOXY

YES

1

2.5 V

FLATPACK, LOW PROFILE, FINE PITCH

.5 mm

70 Cel

-10 Cel

QUAD

S-PQFP-G64

1.6 mm

10 mm

Not Qualified

10 mm

MTC20154TQ-C

STMicroelectronics

TELECOM CIRCUIT

COMMERCIAL

GULL WING

64

LFQFP

SQUARE

PLASTIC/EPOXY

YES

1

CMOS

3.3 V

FLATPACK, LOW PROFILE, FINE PITCH

.5 mm

70 Cel

0 Cel

QUAD

S-PQFP-G64

1.6 mm

10 mm

Not Qualified

10 mm

ST70134A

STMicroelectronics

TELECOM CIRCUIT

OTHER

GULL WING

64

LFQFP

SQUARE

PLASTIC/EPOXY

YES

1

CMOS

3 V

3.3

FLATPACK, LOW PROFILE, FINE PITCH

QFP64,.47SQ,20

Modems

.5 mm

80 Cel

-40 Cel

NICKEL PALLADIUM GOLD

QUAD

S-PQFP-G64

1.6 mm

10 mm

Not Qualified

e4

10 mm

STLC1511

STMicroelectronics

TELECOM CIRCUIT

OTHER

GULL WING

64

LFQFP

SQUARE

PLASTIC/EPOXY

YES

1

BICMOS

5 V

5

FLATPACK, LOW PROFILE, FINE PITCH

QFP64,.47SQ,20

Modems

.5 mm

80 Cel

-40 Cel

NICKEL PALLADIUM GOLD

QUAD

S-PQFP-G64

1.6 mm

10 mm

Not Qualified

e4

10 mm

ST5481TQF7

STMicroelectronics

TELECOM CIRCUIT

COMMERCIAL

GULL WING

48

LFQFP

SQUARE

PLASTIC/EPOXY

YES

1

CMOS

5 V

5

FLATPACK, LOW PROFILE, FINE PITCH

QFP48,.35SQ,20

Other Telecom ICs

.5 mm

70 Cel

0 Cel

NICKEL PALLADIUM GOLD

QUAD

S-PQFP-G48

1.6 mm

7 mm

Not Qualified

e4

7 mm

STM7E1AR

STMicroelectronics

TELECOM CIRCUIT

OTHER

GULL WING

64

LFQFP

SQUARE

PLASTIC/EPOXY

YES

1

-3.3 V

3.3 V

+-3.3

FLATPACK, LOW PROFILE, FINE PITCH

QFP64,.47SQ,20

Other Telecom ICs

.5 mm

85 Cel

-25 Cel

NICKEL PALLADIUM GOLD

QUAD

S-PQFP-G64

3

1.6 mm

10 mm

Not Qualified

e4

30

260

10 mm

STLC5466

STMicroelectronics

TELECOM CIRCUIT

INDUSTRIAL

GULL WING

176

LFQFP

SQUARE

PLASTIC/EPOXY

YES

1

CMOS

3.3 V

FLATPACK, LOW PROFILE, FINE PITCH

.5 mm

85 Cel

-40 Cel

NICKEL PALLADIUM GOLD

QUAD

S-PQFP-G176

1.6 mm

24 mm

Not Qualified

e4

24 mm

STLC1512

STMicroelectronics

TELECOM CIRCUIT

INDUSTRIAL

GULL WING

48

LFQFP

SQUARE

PLASTIC/EPOXY

YES

1

5 V

FLATPACK, LOW PROFILE, FINE PITCH

.5 mm

85 Cel

-40 Cel

NICKEL PALLADIUM GOLD

QUAD

S-PQFP-G48

1.6 mm

7 mm

Not Qualified

e4

7 mm

STV0360

STMicroelectronics

TELECOM CIRCUIT

GULL WING

64

LFQFP

SQUARE

PLASTIC/EPOXY

YES

1

FLATPACK, LOW PROFILE, FINE PITCH

.5 mm

QUAD

S-PQFP-G64

1.6 mm

10 mm

Not Qualified

10 mm

STV0297E

STMicroelectronics

TELECOM CIRCUIT

GULL WING

64

LFQFP

SQUARE

PLASTIC/EPOXY

YES

1

CMOS

1 V

FLATPACK, LOW PROFILE, FINE PITCH

.5 mm

NICKEL PALLADIUM GOLD

QUAD

S-PQFP-G64

3

1.6 mm

10 mm

Not Qualified

e4

30

260

10 mm

STV0288

STMicroelectronics

TELECOM CIRCUIT

GULL WING

64

LFQFP

SQUARE

PLASTIC/EPOXY

YES

1

CMOS

FLATPACK, LOW PROFILE, FINE PITCH

.5 mm

QUAD

S-PQFP-G64

1.6 mm

10 mm

Not Qualified

10 mm

ST70134

STMicroelectronics

TELECOM CIRCUIT

OTHER

GULL WING

64

LFQFP

SQUARE

PLASTIC/EPOXY

YES

1

CMOS

3 V

3.3

FLATPACK, LOW PROFILE, FINE PITCH

QFP64,.47SQ,20

Modems

.5 mm

80 Cel

-40 Cel

NICKEL PALLADIUM GOLD

QUAD

S-PQFP-G64

1.6 mm

10 mm

Not Qualified

e4

10 mm

MTC20454-TQ-I

STMicroelectronics

TELECOM CIRCUIT

INDUSTRIAL

GULL WING

100

LFQFP

SQUARE

PLASTIC/EPOXY

YES

1

CMOS

3.3 V

3.3

FLATPACK, LOW PROFILE, FINE PITCH

QFP100,.63SQ,20

Other Telecom ICs

.5 mm

85 Cel

-40 Cel

Nickel/Palladium/Gold (Ni/Pd/Au)

QUAD

S-PQFP-G100

1.6 mm

14 mm

Not Qualified

e4

14 mm

TDA7541

STMicroelectronics

TELECOM CIRCUIT

INDUSTRIAL

GULL WING

64

LFQFP

SQUARE

PLASTIC/EPOXY

YES

1

BICMOS

8.5 V

FLATPACK, LOW PROFILE, FINE PITCH

.5 mm

85 Cel

-40 Cel

QUAD

S-PQFP-G64

1.6 mm

10 mm

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

10 mm

TDA7541B

STMicroelectronics

TELECOM CIRCUIT

INDUSTRIAL

GULL WING

64

LFQFP

SQUARE

PLASTIC/EPOXY

YES

1

BICMOS

8.5 V

FLATPACK, LOW PROFILE, FINE PITCH

.5 mm

85 Cel

-40 Cel

NICKEL PALLADIUM GOLD

QUAD

S-PQFP-G64

3

1.6 mm

10 mm

Not Qualified

e4

30

260

10 mm

TDA7541TR

STMicroelectronics

TELECOM CIRCUIT

INDUSTRIAL

GULL WING

64

LFQFP

SQUARE

PLASTIC/EPOXY

YES

1

BICMOS

8.5 V

FLATPACK, LOW PROFILE, FINE PITCH

.5 mm

85 Cel

-40 Cel

QUAD

S-PQFP-G64

1.6 mm

10 mm

Not Qualified

10 mm

TDA7541BTR

STMicroelectronics

TELECOM CIRCUIT

INDUSTRIAL

GULL WING

64

LFQFP

SQUARE

PLASTIC/EPOXY

YES

1

BICMOS

8.5 V

FLATPACK, LOW PROFILE, FINE PITCH

.5 mm

85 Cel

-40 Cel

NICKEL PALLADIUM GOLD

QUAD

S-PQFP-G64

3

1.6 mm

10 mm

Not Qualified

e4

30

260

10 mm

SA9025BE-T

NXP Semiconductors

TELECOM CIRCUIT

INDUSTRIAL

GULL WING

48

LFQFP

SQUARE

PLASTIC/EPOXY

YES

1

BICMOS

3.75 V

FLATPACK, LOW PROFILE, FINE PITCH

.5 mm

85 Cel

-40 Cel

QUAD

S-PQFP-G48

1.6 mm

7 mm

Not Qualified

7 mm

Other Function Telecom Interface ICs

Other Function Telecom Interface ICs are electronic components used in telecommunications systems to provide specialized functionality beyond basic data transmission. These ICs are designed to perform a range of functions such as signal processing, protocol conversion, and power management. They are used in a wide range of telecommunications applications, including wired and wireless communication systems, VoIP (Voice over Internet Protocol) systems, and telephone networks.

Some common types of Other Function Telecom Interface ICs include:

1. Codec ICs: These ICs are used to encode and decode audio signals for high-quality voice communication over telecommunication networks. They provide a range of features such as noise reduction, echo cancellation, and voice activation.

2. Power management ICs: These ICs are used to manage the power supply and battery life of telecommunication devices. They regulate voltage and current to ensure efficient operation and prevent damage to the device.

3. Signal conditioning ICs: These ICs are used to enhance the quality of signals transmitted over telecommunication networks. They can filter out noise and interference, amplify signals, and correct distortions in the signal.

4. Switching ICs: These ICs are used to switch between different communication channels and protocols, enabling communication between different devices and networks.