Overview
The LM4873MT is an audio Amplifier made by Texas Instruments in a TSSOP-20 package with 20 pins. -40℃~+85℃ 2-Channel 2V~5.5V 3Wx2@3Ω TSSOP-20 Audio Amplifiers ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:LM4873MT_NOPB, from EasyEDA) and its footprint (Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C4990757).
Symbol
Footprint
Parameters
4- Operating Temperature
- -40℃~+85℃
- Output Power
- 440mWx2@8Ω；
- Speaker Channels
- 双声道
- Supply Voltage
- 2V~5.5V
Order codes
2- LM4873MT/NOPBLCSC C4990757
- LM4873MTLCSC C4991413
Pinout
20| Pin | Name | Type |
|---|---|---|
| 1 | SHUTDOWN | Unspecified |
| 2 | GND | Unspecified |
| 3 | +OUT_A | Unspecified |
| 4 | VDD | Unspecified |
| 5 | -OUT_A | Unspecified |
| 6 | -IN_A | Unspecified |
| 7 | GND | Unspecified |
| 8 | +IN_A | Unspecified |
| 9 | -IN_A2 | Unspecified |
| 10 | MUX_CTRL | Unspecified |
| 11 | -IN_B2 | Unspecified |
| 12 | NC | Unspecified |
| 13 | +IN_B | Unspecified |
| 14 | BYPASS | Unspecified |
| 15 | -IN_B | Unspecified |
| 16 | -OUT_B | Unspecified |
| 17 | VDD | Unspecified |
| 18 | +OUT_B | Unspecified |
| 19 | GND | Unspecified |
| 20 | HP-IN | Unspecified |
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Is there a KiCad symbol and footprint for the LM4873MT?
Yes. The symbol is EasyEDA_Cloud:LM4873MT_NOPB and the footprint Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the LM4873MT?
TSSOP-20, with 20 pins. Its footprint is drawn on this page.
Where is the LM4873MT datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the LM4873MT?
JLCPCB lists it as part C4990757, with 0 in stock; the sellers' links on this page open their listings.
What can replace the LM4873MT?
Parts like it in the library: the FM6809C by Shenzhen Fuman Elec, the HT8787BMTER by Jiaxing Heroic Elec Tech and the LM4866MT by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Parts like it
3
FM6809C
TSSOP-20-40℃~+85℃ -50dB 0.1% 2 Pairs Differential Inputs 2-Channel 2.7V~5.5V 3Wx2@4Ω 85% 90dB Automatic mute/no-noise switch、Enable/shutdown function、Filterless architecture、Digitally programmable gain、Built-in audio processing Class D TSSOP-20 Audio Amplifiers ROHSShenzhen Fuman ElecAudio AmplifiersHT8787BMTER
TSSOP-20L-PP-40℃~+85℃ 0.05% 2-Channel 2.9V~8.5V 2×7W@4Ω、2×9W@4Ω 73% 7mA 84dB Class D Differential TSSOP-20L-PP Audio Amplifiers ROHSJiaxing Heroic Elec TechAudio AmplifiersLM4866MT
TSSOP-20-40℃~+85℃ 2-Channel 2V~5.5V 3.2Wx2@3Ω TSSOP-20 Audio Amplifiers ROHSTexas InstrumentsAudio Amplifiers