LM4923LQ

Texas Instruments

-40℃~+85℃ 0.02% 1-Channel 1.1Wx1@8Ω 2.4V~5.5V 4mA 85dB Automatic mute/no-noise switch、Enable/shutdown function Class AB WQFN-8(2x2) Audio Amplifiers ROHS

Extended

Datasheetti/LM4923LQ

Category: Audio Amplifiers
Package: WQFN-8(2x2)
Pins: 9

Overview

The LM4923LQ is an audio Amplifier made by Texas Instruments in a WQFN-8(2x2) package with 9 pins. -40℃~+85℃ 0.02% 1-Channel 1.1Wx1@8Ω 2.4V~5.5V 4mA 85dB Automatic mute/no-noise switch、Enable/shutdown function Class AB WQFN-8(2x2) Audio Amplifiers ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:LM4923LQ_NOPB, from EasyEDA) and its footprint (EasyEDA_Cloud:WQFN-8_L2.0-W2.0-P0.65-BL_TI_NGP, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C2860394).

Symbol

EasyEDA_Cloud:LM4923LQ_NOPBFrom EasyEDA

Footprint

EasyEDA_Cloud:WQFN-8_L2.0-W2.0-P0.65-BL_TI_NGPFrom EasyEDA

Parameters

Operating Temperature: -40℃~+85℃
Output Power: 1.1Wx1@8Ω
Power Supply Rejection Ratio (PSRR): 85dB
Speaker Channels: 1-Channel
Total Harmonic Distortion + Noise (THD+N): 0.02%
Voltage - Supply: 2.4V~5.5V

Order codes

LM4923LQ/NOPBLCSC C2860394

Pinout

The pins of the LM4923LQ
Pin	Name	Type
1	IN-	Unspecified
2	IN+	Unspecified
3	VDD	Unspecified
4	VO+	Unspecified
5	SD	Output
6	BYP	Output
7	GND	Output
8	VO-	Unspecified
9	PAD	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 LM4923LQ?

Yes. The symbol is EasyEDA_Cloud:LM4923LQ_NOPB and the footprint EasyEDA_Cloud:WQFN-8_L2.0-W2.0-P0.65-BL_TI_NGP, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the LM4923LQ?

WQFN-8(2x2), with 9 pins. Its footprint is drawn on this page.

Where is the LM4923LQ datasheet?

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

Where can I order the LM4923LQ?

JLCPCB lists it as part C2860394, with 0 in stock; the sellers' links on this page open their listings.

What can replace the LM4923LQ?

Parts like it in the library: the LM4915LQX by Texas Instruments, the LM4809LQX by Texas Instruments, the LM4910LQ by Texas Instruments and the LM4915LQ by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.