
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
Footprint
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- LM4990LDLCSC C4990621
- LM4990LD/NOPBLCSC C4991282
- LM4990LD/NOPBLCSC C4991287
Pinout
11| Pin | Name | Type |
|---|---|---|
| 1 | SHUTDOWN | Unspecified |
| 2 | BYPASS | Unspecified |
| 3 | SD-MODE | Unspecified |
| 4 | +IN | Unspecified |
| 5 | -IN | Unspecified |
| 6 | VO1 | Unspecified |
| 7 | NC | Unspecified |
| 8 | VDD | Unspecified |
| 9 | GND | Unspecified |
| 10 | VO2 | Unspecified |
| 11 | EP | Unspecified |
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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
3LM4890LDX
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WSON-10(3x4)-40℃~+85℃ 0.1% 1-Channel 1.4Wx1@4Ω 2.2V~5.5V 4mA 84dB Automatic mute/no-noise switch、Enable/shutdown function、ESD Protection WSON-10(3x4) Audio AmplifiersTexas InstrumentsAudio AmplifiersLM4898LD/NOPB-NS
WSON-10(3x4)Audio AmplifiersTexas Instruments