LM4947TL

Texas Instruments

-40℃~+85℃ 1-Channel 1.19Wx1@8Ω 2.7V~5.5V Automatic mute/no-noise switch、Digitally programmable gain、Built-in audio processing DSBGA-25 Audio Amplifiers ROHS

Extended

Datasheetti/LM4947TL

Category: Audio Amplifiers
Package: DSBGA-25
Pins: 5

Overview

The LM4947TL is an audio Amplifier made by Texas Instruments in a DSBGA-25 package with 25 pins. -40℃~+85℃ 1-Channel 1.19Wx1@8Ω 2.7V~5.5V Automatic mute/no-noise switch、Digitally programmable gain、Built-in audio processing DSBGA-25 Audio Amplifiers ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:LM4947TL_NOPB, from EasyEDA) and its footprint (EasyEDA_Cloud:DSBGA-25_L2.5-W2.5-R5-C5-P0.50-BL, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C4991327).

Symbol

EasyEDA_Cloud:LM4947TL_NOPBFrom EasyEDA

Footprint

EasyEDA_Cloud:DSBGA-25_L2.5-W2.5-R5-C5-P0.50-BLFrom EasyEDA

Parameters

Operating Temperature: -40℃~+85℃
Output Power: 1.19Wx1@8Ω
Speaker Channels: Monaural
Supply Voltage: 2.7V~5.5V

Order codes

LM4947TL/NOPBLCSC C4991327

Pinout

The pins of the LM4947TL
Pin	Name	Type
A1	RIN2	Unspecified
A2	LIN1	Unspecified
A3	MIN+	Unspecified
A4	RHP3D1	Unspecified
A5	RHP3D2	Unspecified
B1	RIN1	Unspecified
B2	LIN2	Unspecified
B3	MIN-	Unspecified
B4	LHP3D1	Unspecified
B5	LHP3D2	Unspecified
C1	ADDR	Unspecified
C2	SDA	Unspecified
C3	SCL	Unspecified
C4	CBYPASS	Unspecified
C5	VOC	Unspecified
D1	AVDD	Unspecified
D2	LSVDD	Unspecified
D3	I2CVDD	Unspecified
D4	AVDD	Unspecified
D5	RHP	Unspecified
E1	LS-	Unspecified
E2	GND	Unspecified
E3	LS+	Unspecified
E4	GND	Unspecified
E5	LHP	Unspecified

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A picture

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A picture that opens the part, for a README

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Questions

Is there a KiCad symbol and footprint for the LM4947TL?

Yes. The symbol is EasyEDA_Cloud:LM4947TL_NOPB and the footprint EasyEDA_Cloud:DSBGA-25_L2.5-W2.5-R5-C5-P0.50-BL, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the LM4947TL?

DSBGA-25, with 25 pins. Its footprint is drawn on this page.

Where is the LM4947TL datasheet?

Texas Instruments publishes it: the Datasheet link on this page opens it.

Where can I order the LM4947TL?

JLCPCB lists it as part C4991327, with 0 in stock; the sellers' links on this page open their listings.

What can replace the LM4947TL?

Parts like it in the library: the LM4845ITL by Texas Instruments, the LM4845ITL/NOPB by Texas Instruments, the LM48520TL by Texas Instruments and the LM48520TL/NOPB by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.