LM1875

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Amplificador de potencia de audio de 20 W

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Hoja de datos

document-pdfAcrobat LM1875 20W Audio Power Amplifier datasheet (Rev. A) (Inglés)

LM1875

ACTIVO

Hoja de datos

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Detalles del producto

Audio input type

Analog Input

Architecture

Class-AB

Speaker channels (max)

Mono

Control interface

Hardware

Output power (W)

20

Power stage supply (max) (V)

60

Power stage supply (min) (V)

16

THD + N at 1 kHz (%)

0.015

Load (min) (Ω)

4

Analog supply voltage (min) (V)

16

Analog supply voltage (max) (V)

60

Rating

Catalog

Operating temperature range (°C)

0 to 70

Audio input type

Analog Input

Architecture

Class-AB

Speaker channels (max)

Mono

Control interface

Hardware

Output power (W)

20

Power stage supply (max) (V)

60

Power stage supply (min) (V)

16

THD + N at 1 kHz (%)

0.015

Load (min) (Ω)

4

Analog supply voltage (min) (V)

16

Analog supply voltage (max) (V)

60

Rating

Catalog

Operating temperature range (°C)

0 to 70

TO-220 (NEB)

5

86.0552 mm² (10.16 mm × 8.47 mm)

TO-220 (NDH)

5

86.0552 mm² (10.16 mm × 8.47 mm)

Up to 30 watts output power
A_VO typically 90 dB
Low distortion: 0.015%, 1 kHz, 20 W
Wide power bandwidth: 70 kHz
Protection for AC and DC short circuits to ground
Thermal protection with parole circuit
High current capability: 4A
Wide supply range 16V-60V
Internal output protection diodes
94 dB ripple rejection
Plastic power package TO-220

Up to 30 watts output power
A_VO typically 90 dB
Low distortion: 0.015%, 1 kHz, 20 W
Wide power bandwidth: 70 kHz
Protection for AC and DC short circuits to ground
Thermal protection with parole circuit
High current capability: 4A
Wide supply range 16V-60V
Internal output protection diodes
94 dB ripple rejection
Plastic power package TO-220

The LM1875 is a monolithic power amplifier offering very low distortion and high quality performance for consumer audio applications.

The LM1875 delivers 20 watts into a 4 or 8 load on ±25V supplies. Using an 8 load and ±30V supplies, over 30 watts of power may be delivered. The amplifier is designed to operate with a minimum of external components. Device overload protection consists of both internal current limit and thermal shutdown.

The LM1875 design takes advantage of advanced circuit techniques and processing to achieve extremely low distortion levels even at high output power levels. Other outstanding features include high gain, fast slew rate and a wide power bandwidth, large output voltage swing, high current capability, and a very wide supply range. The amplifier is internally compensated and stable for gains of 10 or greater.

The LM1875 is a monolithic power amplifier offering very low distortion and high quality performance for consumer audio applications.

The LM1875 delivers 20 watts into a 4 or 8 load on ±25V supplies. Using an 8 load and ±30V supplies, over 30 watts of power may be delivered. The amplifier is designed to operate with a minimum of external components. Device overload protection consists of both internal current limit and thermal shutdown.

The LM1875 design takes advantage of advanced circuit techniques and processing to achieve extremely low distortion levels even at high output power levels. Other outstanding features include high gain, fast slew rate and a wide power bandwidth, large output voltage swing, high current capability, and a very wide supply range. The amplifier is internally compensated and stable for gains of 10 or greater.

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Documentación técnica

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Documentación principal	Tipo	Título	Fecha
*	Hoja de datos	LM1875 20W Audio Power Amplifier datasheet (Rev. A)	13/05/2004
	Nota sobre la aplicación	Guidelines for Measuring Audio Power Amplifier Performance (Rev. A)	26/08/2019
	Nota sobre la aplicación	AN-1849 An Audio Amplifier Power Supply Design (Rev. C)	27/06/2019

Diseño y desarrollo

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