Skip to the content
PCBKitNew board
LM4990LD on a board, in 3D

LM4990LD

Texas Instruments

-40℃~+85℃ 1-Channel 2.2V~5.5V 2Wx1@4Ω WSON-10(3x4) Audio Amplifiers

Extended
Category
Audio Amplifiers
Package
WSON-10(3x4)
Pins
5

Overview

The LM4990LD is an audio Amplifier made by Texas Instruments in a WSON-10(3x4) package with 11 pins. -40℃~+85℃ 1-Channel 2.2V~5.5V 2Wx1@4Ω WSON-10(3x4) Audio Amplifiers.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:LM4990LD_NOPB, from EasyEDA) and its footprint (EasyEDA_Cloud:WSON-10_L4.0-W3.0-P0.50-TL-EP, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C4990621).

Symbol

SHUTDOWN1BYPASS2SD-MODE3+IN4-IN5VO16NC7VDD8GND9VO210EP11
EasyEDA_Cloud:LM4990LD_NOPBFrom EasyEDA

Footprint

11
EasyEDA_Cloud:WSON-10_L4.0-W3.0-P0.50-TL-EPFrom EasyEDA

Parameters

8
Features
ESD protection;Enable/shutdown function;Automatic mute/no-noise switch
Operating Temperature
-40℃~+85℃
Output Power
2Wx1@4Ω
Power Supply Rejection Ratio (PSRR)
60dB
Quiescent Current
3mA
Speaker Channels
1-Channel
Total Harmonic Distortion + Noise (THD+N)
0.2%
Voltage - Supply
2.2V~5.5V

Order codes

3

Pinout

11
The pins of the LM4990LD
PinNameType
1SHUTDOWNUnspecified
2BYPASSUnspecified
3SD-MODEUnspecified
4+INUnspecified
5-INUnspecified
6VO1Unspecified
7NCUnspecified
8VDDUnspecified
9GNDUnspecified
10VO2Unspecified
11EPUnspecified

Show this part on your page

A live frame, for any web page
<iframe src="https://pcbkit.io/embed/parts/ti/LM4990LD" title="LM4990LD in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe>
A picture
<img src="https://pcbkit.io/embed/parts/ti/LM4990LD.jpg" alt="LM4990LD" width="1200" height="900">
A picture that opens the part, for a README
[![LM4990LD](https://pcbkit.io/embed/parts/ti/LM4990LD.jpg?size=s)](https://pcbkit.io/parts/ti/LM4990LD)

Questions

Is there a KiCad symbol and footprint for the LM4990LD?

Yes. The symbol is EasyEDA_Cloud:LM4990LD_NOPB and the footprint EasyEDA_Cloud:WSON-10_L4.0-W3.0-P0.50-TL-EP, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the LM4990LD?

WSON-10(3x4), with 11 pins. Its footprint is drawn on this page.

Where is the LM4990LD datasheet?

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

Where can I order the LM4990LD?

JLCPCB lists it as part C4990621, with 0 in stock; the sellers' links on this page open their listings.

What can replace the LM4990LD?

Parts like it in the library: the LM4890LDX by Texas Instruments, the LM4895LD by Texas Instruments and the LM4898LD/NOPB-NS by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

3