16 Audio & Video Amplifiers 736

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Part RoHS Manufacturer General IC Type Temperature Grade Terminal Form No. of Terminals Package Code Package Shape Total Dose (V) Package Body Material Surface Mount No. of Functions No. of Channels Technology Screening Level Nominal Bandwidth Maximum Supply Current Power Supplies (V) Harmonic Distortion Package Style (Meter) Package Equivalence Code Sub-Category Terminal Pitch Maximum Operating Temperature Gain Minimum Operating Temperature Terminal Finish Terminal Position JESD-30 Code Moisture Sensitivity Level (MSL) Maximum Supply Voltage (Vsup) Nominal Output Power Maximum Seated Height Width Qualification Minimum Supply Voltage (Vsup) Additional Features JESD-609 Code Maximum Time At Peak Reflow Temperature (s) Peak Reflow Temperature (C) Nominal Noise Figure Length

TDA7569BLV

STMicroelectronics

CLASS AB AUDIO AMPLIFIER

INDUSTRIAL

THROUGH-HOLE

16

ZIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

BCDMOS

250 mA

14.4

IN-LINE

ZIP27,.16,.16,40

Audio/Video Amplifiers

1 mm

105 Cel

-40 Cel

TIN

ZIG-ZAG

R-PZIP-T27

Not Qualified

e3

TDA7273D

STMicroelectronics

AUDIO PREAMPLIFIER

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

2

.022 kHz

20 mA

3

10 %

SMALL OUTLINE

SOP16,.25

Other Consumer ICs

1.27 mm

70 Cel

33 dB

-20 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G16

7 V

.03 W

2.65 mm

7.5 mm

Not Qualified

1.8 V

e4

10.3 mm

TDA7268

STMicroelectronics

AUDIO AMPLIFIER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

2

BIPOLAR

.02 kHz

60 mA

10 %

IN-LINE

DIP16,.3

Audio/Video Amplifiers

2.54 mm

70 Cel

32 dB

0 Cel

MATTE TIN

DUAL

R-PDIP-T16

18 V

2 W

5.1 mm

7.62 mm

Not Qualified

4.5 V

e3

SA58635UK,027

NXP Semiconductors

INDUSTRIAL

BALL

16

FBGA

SQUARE

PLASTIC/EPOXY

YES

7.5 mA

3.6

GRID ARRAY, FINE PITCH

BGA16,4X4,16

Audio/Video Amplifiers

.4 mm

85 Cel

-40 Cel

BOTTOM

S-PBGA-B16

Not Qualified

SA58671UK

NXP Semiconductors

AUDIO AMPLIFIER

INDUSTRIAL

BALL

16

VFBGA

RECTANGULAR

PLASTIC/EPOXY

YES

1

2

.02 kHz

9 mA

3/5

GRID ARRAY, VERY THIN PROFILE, FINE PITCH

BGA16,4X4,20

Audio/Video Amplifiers

.5 mm

85 Cel

24 dB

-40 Cel

BOTTOM

R-PBGA-B16

5.5 V

1.3 W

.64 mm

2.06 mm

Not Qualified

2.5 V

2.11 mm

935261400118

NXP Semiconductors

AUDIO AMPLIFIER

INDUSTRIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

2

BIPOLAR

1 %

SMALL OUTLINE

1.27 mm

85 Cel

31 dB

-40 Cel

DUAL

R-PDSO-G16

12 V

2.65 mm

7.5 mm

7.6 V

10.3 mm

TEA0676T/V1,118

NXP Semiconductors

AUDIO AMPLIFIER

INDUSTRIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

2

BIPOLAR

1 %

SMALL OUTLINE

1.27 mm

85 Cel

31 dB

-40 Cel

DUAL

R-PDSO-G16

12 V

2.65 mm

7.5 mm

7.6 V

10.3 mm

TEA0676T

NXP Semiconductors

AUDIO AMPLIFIER

INDUSTRIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

2

BIPOLAR

13 mA

1 %

SMALL OUTLINE

SOP16,.4

Audio/Video Amplifiers

1.27 mm

85 Cel

31 dB

-40 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G16

12 V

2.65 mm

7.5 mm

Not Qualified

7.6 V

e4

10.3 mm

TDF8546J/N1,112

NXP Semiconductors

AUDIO AMPLIFIER

INDUSTRIAL

THROUGH-HOLE

16

ZIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

BCDMOS

350 mA

14.4

IN-LINE

ZIP27,.16,.16,40

Audio/Video Amplifiers

1 mm

105 Cel

-40 Cel

ZIG-ZAG

R-PZIP-T27

Not Qualified

935217300518

NXP Semiconductors

AUDIO AMPLIFIER

INDUSTRIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

2

BIPOLAR

1 %

SMALL OUTLINE

1.27 mm

85 Cel

31 dB

-40 Cel

DUAL

R-PDSO-G16

12 V

2.65 mm

7.5 mm

7.6 V

10.3 mm

935227370112

NXP Semiconductors

AUDIO AMPLIFIER

INDUSTRIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

1

.02 kHz

10 %

SMALL OUTLINE

1.27 mm

85 Cel

20 dB

-40 Cel

DUAL

R-PDSO-G16

18 V

2.2 W

1.75 mm

3.9 mm

2.2 V

9.9 mm

935278297118

NXP Semiconductors

AUDIO AMPLIFIER

INDUSTRIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

2

BIPOLAR

1 %

SMALL OUTLINE

1.27 mm

85 Cel

31 dB

-40 Cel

DUAL

R-PDSO-G16

12 V

2.65 mm

7.5 mm

7.6 V

10.3 mm

TEA0676T/V1/S1,118

NXP Semiconductors

AUDIO AMPLIFIER

INDUSTRIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

2

BIPOLAR

1 %

SMALL OUTLINE

1.27 mm

85 Cel

31 dB

-40 Cel

DUAL

R-PDSO-G16

12 V

2.65 mm

7.5 mm

7.6 V

10.3 mm

935278634118

NXP Semiconductors

AUDIO AMPLIFIER

INDUSTRIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

1

.02 kHz

10 %

SMALL OUTLINE

1.27 mm

85 Cel

20 dB

-40 Cel

DUAL

R-PDSO-G16

18 V

2.2 W

1.75 mm

3.9 mm

2.2 V

9.9 mm

935227370118

NXP Semiconductors

AUDIO AMPLIFIER

INDUSTRIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

1

.02 kHz

10 %

SMALL OUTLINE

1.27 mm

85 Cel

20 dB

-40 Cel

DUAL

R-PDSO-G16

18 V

2.2 W

1.75 mm

3.9 mm

2.2 V

9.9 mm

TDF8541J/N2,112

NXP Semiconductors

AUDIO AMPLIFIER

INDUSTRIAL

THROUGH-HOLE

16

ZIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

BCDMOS

350 mA

14.4

IN-LINE

ZIP27,.16,.16,40

Audio/Video Amplifiers

1 mm

105 Cel

-40 Cel

ZIG-ZAG

R-PZIP-T27

Not Qualified

935227370518

NXP Semiconductors

AUDIO AMPLIFIER

INDUSTRIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

1

.02 kHz

10 %

SMALL OUTLINE

1.27 mm

85 Cel

20 dB

-40 Cel

DUAL

R-PDSO-G16

18 V

2.2 W

1.75 mm

3.9 mm

2.2 V

9.9 mm

935217300118

NXP Semiconductors

AUDIO AMPLIFIER

INDUSTRIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

2

BIPOLAR

1 %

SMALL OUTLINE

1.27 mm

85 Cel

31 dB

-40 Cel

DUAL

R-PDSO-G16

12 V

2.65 mm

7.5 mm

7.6 V

10.3 mm

SA58671UK-G

NXP Semiconductors

AUDIO AMPLIFIER

INDUSTRIAL

BALL

16

FBGA

SQUARE

PLASTIC/EPOXY

YES

2

9 mA

3/5

GRID ARRAY, FINE PITCH

BGA16,4X4,20

Audio/Video Amplifiers

.5 mm

85 Cel

-40 Cel

BOTTOM

S-PBGA-B16

Not Qualified

SA58671UK,027

NXP Semiconductors

AUDIO AMPLIFIER

INDUSTRIAL

BALL

16

VFBGA

RECTANGULAR

PLASTIC/EPOXY

YES

1

2

.02 kHz

9 mA

3/5

GRID ARRAY, VERY THIN PROFILE, FINE PITCH

BGA16,4X4,20

Audio/Video Amplifiers

.5 mm

85 Cel

24 dB

-40 Cel

BOTTOM

R-PBGA-B16

5.5 V

1.3 W

.64 mm

2.06 mm

Not Qualified

2.5 V

2.11 mm

TDF8546J/N2

NXP Semiconductors

AUDIO AMPLIFIER

INDUSTRIAL

THROUGH-HOLE

16

ZIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

350 mA

14.4

IN-LINE

ZIP27,.16,.16,40

Audio/Video Amplifiers

1 mm

105 Cel

-40 Cel

ZIG-ZAG

R-PZIP-T27

Not Qualified

TEA0676T/V1/N,118

NXP Semiconductors

AUDIO AMPLIFIER

INDUSTRIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

2

BIPOLAR

1 %

SMALL OUTLINE

1.27 mm

85 Cel

31 dB

-40 Cel

DUAL

R-PDSO-G16

12 V

2.65 mm

7.5 mm

7.6 V

10.3 mm

TEA0676T/V1,518

NXP Semiconductors

AUDIO AMPLIFIER

INDUSTRIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

2

BIPOLAR

1 %

SMALL OUTLINE

1.27 mm

85 Cel

31 dB

-40 Cel

DUAL

R-PDSO-G16

12 V

2.65 mm

7.5 mm

7.6 V

10.3 mm

TDF8546J/N2,112

NXP Semiconductors

AUDIO AMPLIFIER

INDUSTRIAL

THROUGH-HOLE

16

ZIP

RECTANGULAR

PLASTIC/EPOXY

NO

350 mA

14.4

IN-LINE

ZIP27,.16,.16,40

Audio/Video Amplifiers

1 mm

105 Cel

-40 Cel

ZIG-ZAG

R-PZIP-T27

Not Qualified

935280938027

NXP Semiconductors

AUDIO AMPLIFIER

INDUSTRIAL

BALL

16

VFBGA

RECTANGULAR

PLASTIC/EPOXY

YES

1

2

.02 kHz

GRID ARRAY, VERY THIN PROFILE, FINE PITCH

.5 mm

85 Cel

24 dB

-40 Cel

BOTTOM

R-PBGA-B16

5.5 V

1.3 W

.64 mm

2.06 mm

2.5 V

2.11 mm

TDF8544J/N2,112

NXP Semiconductors

AUDIO AMPLIFIER

INDUSTRIAL

THROUGH-HOLE

16

ZIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

BCDMOS

350 mA

14.4

IN-LINE

ZIP27,.16,.16,40

Audio/Video Amplifiers

1 mm

105 Cel

-40 Cel

ZIG-ZAG

R-PZIP-T27

Not Qualified

935227370512

NXP Semiconductors

AUDIO AMPLIFIER

INDUSTRIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

1

.02 kHz

10 %

SMALL OUTLINE

1.27 mm

85 Cel

20 dB

-40 Cel

DUAL

R-PDSO-G16

18 V

2.2 W

1.75 mm

3.9 mm

2.2 V

9.9 mm

TDA8559T

NXP Semiconductors

AUDIO AMPLIFIER

INDUSTRIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

2

BIPOLAR

.02 kHz

4 mA

1.8/30

10 %

SMALL OUTLINE

SOP16,.25

Audio/Video Amplifiers

1.27 mm

85 Cel

26 dB

-40 Cel

DUAL

R-PDSO-G16

30 V

.035 W

1.75 mm

3.9 mm

Not Qualified

1.9 V

260

9.9 mm

TDA8543T/N1/N,118

NXP Semiconductors

AUDIO AMPLIFIER

INDUSTRIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

1

BIPOLAR

.02 kHz

5

10 %

SMALL OUTLINE

SOP16,.25

Audio/Video Amplifiers

1.27 mm

85 Cel

20 dB

-40 Cel

DUAL

R-PDSO-G16

18 V

2.2 W

1.75 mm

3.9 mm

Not Qualified

2.2 V

9.9 mm

TDA8559PN

NXP Semiconductors

AUDIO AMPLIFIER

AUTOMOTIVE

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

.75 kHz

4 mA

10 %

IN-LINE

2.54 mm

150 Cel

26 dB

-40 Cel

DUAL

R-PDIP-T16

30 V

.035 W

4.7 mm

7.62 mm

Not Qualified

1.8 V

21.6 mm

TDA8547

NXP Semiconductors

AUDIO AMPLIFIER

INDUSTRIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

2

BIPOLAR

.022 kHz

22 mA

10 %

IN-LINE

DIP16,.3

Audio/Video Amplifiers

2.54 mm

85 Cel

20 dB

-40 Cel

DUAL

R-PDIP-T16

18 V

1.2 W

4.7 mm

7.62 mm

Not Qualified

2.2 V

21.6 mm

TDA8542TD

NXP Semiconductors

AUDIO AMPLIFIER

INDUSTRIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

2

.02 kHz

22 mA

10 %

SMALL OUTLINE

1.27 mm

85 Cel

13.97 dB

-40 Cel

DUAL

R-PDSO-G16

18 V

1.2 W

2.65 mm

7.5 mm

Not Qualified

2.2 V

10.3 mm

TDA8543T/N1,512

NXP Semiconductors

AUDIO AMPLIFIER

INDUSTRIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

1

.02 kHz

12 mA

5

10 %

SMALL OUTLINE

SOP16,.25

Audio/Video Amplifiers

1.27 mm

85 Cel

20 dB

-40 Cel

DUAL

R-PDSO-G16

18 V

2.2 W

1.75 mm

3.9 mm

Not Qualified

2.2 V

9.9 mm

TDA8543T/N1,112

NXP Semiconductors

AUDIO AMPLIFIER

INDUSTRIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

1

BIPOLAR

.02 kHz

5

10 %

SMALL OUTLINE

SOP16,.25

Audio/Video Amplifiers

1.27 mm

85 Cel

20 dB

-40 Cel

DUAL

R-PDSO-G16

18 V

2.2 W

1.75 mm

3.9 mm

Not Qualified

2.2 V

9.9 mm

TDA8542PN

NXP Semiconductors

AUDIO AMPLIFIER

INDUSTRIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

.02 kHz

22 mA

10 %

IN-LINE

2.54 mm

85 Cel

13.97 dB

-40 Cel

DUAL

R-PDIP-T16

18 V

1.2 W

4.7 mm

7.62 mm

Not Qualified

2.2 V

21.6 mm

TDA7053PN

NXP Semiconductors

AUDIO AMPLIFIER

OTHER

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

.02 kHz

16 mA

10 %

IN-LINE

2.54 mm

150 Cel

39 dB

-25 Cel

TIN/NICKEL PALLADIUM GOLD

DUAL

R-PDIP-T16

15 V

1.2 W

4.7 mm

7.62 mm

Not Qualified

3 V

e3/e4

TDA8942P/N1,112

NXP Semiconductors

AUDIO AMPLIFIER

INDUSTRIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

2

.022 kHz

10 %

IN-LINE

2.54 mm

85 Cel

32 dB

-40 Cel

DUAL

R-PDIP-T16

18 V

1.5 W

4.7 mm

7.62 mm

Not Qualified

6 V

21.6 mm

TDA8559T-T

NXP Semiconductors

AUDIO AMPLIFIER

INDUSTRIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

2

.02 kHz

4 mA

10 %

SMALL OUTLINE

1.27 mm

85 Cel

26 dB

-40 Cel

DUAL

R-PDSO-G16

30 V

.035 W

1.75 mm

3.9 mm

Not Qualified

1.9 V

9.9 mm

TDA8542T-T

NXP Semiconductors

AUDIO AMPLIFIER

INDUSTRIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

2

.02 kHz

22 mA

10 %

SMALL OUTLINE

1.27 mm

85 Cel

13.97 dB

-40 Cel

DUAL

R-PDSO-G16

18 V

1.2 W

2.65 mm

7.5 mm

Not Qualified

2.2 V

10.3 mm

TDA8576T-T

NXP Semiconductors

AUDIO AMPLIFIER

INDUSTRIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

2

.02 kHz

20 mA

SMALL OUTLINE

1.27 mm

85 Cel

6 dB

-40 Cel

DUAL

R-PDSO-G16

12 V

2.65 mm

7.5 mm

Not Qualified

6 V

10.3 mm

TDA8543T/N1,118

NXP Semiconductors

AUDIO AMPLIFIER

INDUSTRIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

1

BIPOLAR

.02 kHz

5

10 %

SMALL OUTLINE

SOP16,.25

Audio/Video Amplifiers

1.27 mm

85 Cel

20 dB

-40 Cel

DUAL

R-PDSO-G16

18 V

2.2 W

1.75 mm

3.9 mm

Not Qualified

2.2 V

9.9 mm

TDA1016

NXP Semiconductors

AUDIO AMPLIFIER

OTHER

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

1

.015 kHz

10 %

IN-LINE

150 Cel

36 dB

-25 Cel

TIN/NICKEL PALLADIUM GOLD

DUAL

R-PDIP-T16

15 V

2 W

Not Qualified

3.6 V

e3/e4

TDA8543T/N1,518

NXP Semiconductors

AUDIO AMPLIFIER

INDUSTRIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

1

12 mA

5

10 %

SMALL OUTLINE

SOP16,.25

Audio/Video Amplifiers

1.27 mm

85 Cel

20 dB

-40 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G16

18 V

2.2 W

1.75 mm

3.9 mm

Not Qualified

2.2 V

e4

9.9 mm

TDA8559TD

NXP Semiconductors

AUDIO AMPLIFIER

AUTOMOTIVE

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

2

.75 kHz

4 mA

10 %

SMALL OUTLINE

1.27 mm

150 Cel

26 dB

-40 Cel

DUAL

R-PDSO-G16

30 V

.035 W

1.75 mm

3.9 mm

Not Qualified

1.8 V

9.9 mm

TDA8559TD-T

NXP Semiconductors

AUDIO AMPLIFIER

AUTOMOTIVE

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

2

.75 kHz

4 mA

10 %

SMALL OUTLINE

1.27 mm

150 Cel

26 dB

-40 Cel

DUAL

R-PDSO-G16

30 V

.035 W

1.75 mm

3.9 mm

Not Qualified

1.8 V

9.9 mm

TDA7053

NXP Semiconductors

AUDIO AMPLIFIER

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

2

.02 kHz

16 mA

1 %

IN-LINE

2.54 mm

39 dB

TIN/NICKEL PALLADIUM GOLD

DUAL

R-PDIP-T16

18 V

1.2 W

4.7 mm

7.62 mm

Not Qualified

3 V

e3/e4

TDA8542TD-T

NXP Semiconductors

AUDIO AMPLIFIER

INDUSTRIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

2

.02 kHz

22 mA

10 %

SMALL OUTLINE

1.27 mm

85 Cel

13.97 dB

-40 Cel

DUAL

R-PDSO-G16

18 V

1.2 W

2.65 mm

7.5 mm

Not Qualified

2.2 V

10.3 mm

TDA8547T-T

NXP Semiconductors

AUDIO AMPLIFIER

INDUSTRIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

2

.022 kHz

22 mA

10 %

SMALL OUTLINE

1.27 mm

85 Cel

20 dB

-40 Cel

DUAL

R-PDSO-G16

18 V

1.2 W

2.65 mm

7.5 mm

Not Qualified

2.2 V

10.3 mm

Audio & Video Amplifiers

Audio and video amplifiers are electronic devices that increase the amplitude or power of an audio or video signal. These amplifiers are commonly used in home theater systems, music players, and sound reinforcement systems to provide a higher-quality audio or video experience.

Audio amplifiers are designed to amplify the electrical signals that represent sound, such as music or speech. These amplifiers can be classified into several types based on the way they amplify the signal. Some of the most common types of audio amplifiers include:

1. Class A amplifiers - These amplifiers use a single transistor or tube to amplify the signal. They provide high-quality sound but are less efficient than other types of amplifiers.

2. Class B amplifiers - These amplifiers use two transistors or tubes to amplify the signal. They are more efficient than class A amplifiers but can suffer from distortion at low volume levels.

3. Class AB amplifiers - These amplifiers combine the characteristics of class A and class B amplifiers, providing a balance of high-quality sound and efficiency.

Video amplifiers are designed to amplify the electrical signals that represent video, such as those from a DVD player or cable box. These amplifiers can be used to improve the quality of the video signal, reduce noise and interference, and provide a clearer picture.

Both audio and video amplifiers can be integrated into a variety of different devices, such as receivers, preamplifiers, and power amplifiers. They can also be designed to work with specific types of audio or video signals, such as analog or digital.