LM4838

Name: LM4838
Brand: TI
SKU: LM4838
Price: 1.185 USD

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Datenblatt

document-pdfAcrobat LM4838 Stereo 2W Audio Pwr Amplifiers w/ DC Vol Cntrl & Selectable Gain datasheet (Rev. F) (Englisch)

LM4838

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Datenblatt

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Produktdetails

Audio input type

Analog Input

Architecture

Class-AB

Speaker channels (max)

Stereo

Rating

Catalog

Power stage supply (max) (V)

5.5

Power stage supply (min) (V)

2.7

Load (min) (Ω)

3

Output power (W)

2.5

SNR (dB)

93

THD + N at 1 kHz (%)

0.3

Iq (typ) (mA)

15

Control interface

Hardware

Closed/open loop

Open

Analog supply (min) (V)

2.7

Analog supply voltage (max) (V)

5.5

PSRR (dB)

74

Operating temperature range (°C)

-40 to 85

Audio input type

Analog Input

Architecture

Class-AB

Speaker channels (max)

Stereo

Rating

Catalog

Power stage supply (max) (V)

5.5

Power stage supply (min) (V)

2.7

Load (min) (Ω)

3

Output power (W)

2.5

SNR (dB)

93

THD + N at 1 kHz (%)

0.3

Iq (typ) (mA)

15

Control interface

Hardware

Closed/open loop

Open

Analog supply (min) (V)

2.7

Analog supply voltage (max) (V)

5.5

PSRR (dB)

74

Operating temperature range (°C)

-40 to 85

HTSSOP (PWP)

28

62.08 mm² 9.7 x 6.4

DC Volume Control Interface
System Beep Detect
Stereo Switchable Bridged/Single-Ended Power Amplifiers
Selectable Internal/External Gain and Bass Boost
“Click and Pop” Suppression Circuitry
Thermal Shutdown Protection Circuitry

All trademarks are the property of their respective owners. Boomer is a trademark of Texas Instruments.

DC Volume Control Interface
System Beep Detect
Stereo Switchable Bridged/Single-Ended Power Amplifiers
Selectable Internal/External Gain and Bass Boost
“Click and Pop” Suppression Circuitry
Thermal Shutdown Protection Circuitry

All trademarks are the property of their respective owners. Boomer is a trademark of Texas Instruments.

The LM4838 is a monolithic integrated circuit that provides DC volume control, and stereo bridged audio power amplifiers capable of producing 2W into 4Ω with less than 1.0% THD or 2.2W into 3Ω with less than 1.0% THD (see Notes below).

Boomer audio integrated circuits were designed specifically to provide high quality audio while requiring a minimum amount of external components. The LM4838 incorporates a DC volume control, stereo bridged audio power amplifiers and a selectable gain or bass boost, making it optimally suited for multimedia monitors, portable radios, desktop, and portable computer applications.

The LM4838 features an externally controlled, low-power consumption shutdown mode, and both a power amplifier and headphone mute for maximum system flexibility and performance.

Note: When properly mounted to the circuit board, the LM4838NJB, LM4838PWP, and LM4838NYC will deliver 2W into 4Ω. The LM4838PW and LM4838YZR will deliver 1.1W into 8Ω. See section for more information.

Note: An LM4838NJB and LM4838PWP that have been properly mounted to the circuit board and forced-air cooled will deliver 2.2W into 3Ω.

The LM4838 is a monolithic integrated circuit that provides DC volume control, and stereo bridged audio power amplifiers capable of producing 2W into 4Ω with less than 1.0% THD or 2.2W into 3Ω with less than 1.0% THD (see Notes below).

Boomer audio integrated circuits were designed specifically to provide high quality audio while requiring a minimum amount of external components. The LM4838 incorporates a DC volume control, stereo bridged audio power amplifiers and a selectable gain or bass boost, making it optimally suited for multimedia monitors, portable radios, desktop, and portable computer applications.

The LM4838 features an externally controlled, low-power consumption shutdown mode, and both a power amplifier and headphone mute for maximum system flexibility and performance.

Note: When properly mounted to the circuit board, the LM4838NJB, LM4838PWP, and LM4838NYC will deliver 2W into 4Ω. The LM4838PW and LM4838YZR will deliver 1.1W into 8Ω. See section for more information.

Note: An LM4838NJB and LM4838PWP that have been properly mounted to the circuit board and forced-air cooled will deliver 2.2W into 3Ω.

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	Typ	Titel		Datum
*	Data sheet	LM4838 Stereo 2W Audio Pwr Amplifiers w/ DC Vol Cntrl & Selectable Gain datasheet (Rev. F)		21 Mär 2013

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LM4838

Stereo-2W-Audio-Leistungsverstärker mit DC-Lautstärkeregelung und wählbarer Verstärkung

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