MD4181
Megapower
-40℃~+85℃ -70dB 1% 1-Channel 2.5V~5.5V 3.2W×1@4Ω、5.6W×1@2Ω 5mA 85dB 90% Automatic mute/no-noise switch、Enable/shutdown function、Filterless architecture、ESD protection Class AB、Class D SOIC-8-EP Audio Amplifiers ROHS
- Category
- Audio Power OpAmps
- Package
- SOIC-8-EP
- Pins
- 9
Overview
The MD4181 is an audio Power OpAmp made by Megapower in a SOIC-8-EP package with 9 pins. -40℃~+85℃ -70dB 1% 1-Channel 2.5V~5.5V 3.2W×1@4Ω、5.6W×1@2Ω 5mA 85dB 90% Automatic mute/no-noise switch、Enable/shutdown function、Filterless architecture、ESD protection Class AB、Class D SOIC-8-EP Audio Amplifiers ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:MD4181, from EasyEDA) and its footprint (EasyEDA_Cloud:SOIC-8_L4.9-W3.9-P1.27-LS6.0-BL-EP3.4, from EasyEDA), ready for a KiCad board. 13 are in stock at JLCPCB (part C2903757).
Symbol
Footprint
Parameters
11- Class
- Class D
- Efficiency
- 90%
- Features
- Filterless architecture
- Operating Temperature
- -40℃~+85℃
- Output Power
- 5.6W×1@2Ω
- Power Supply Rejection Ratio (PSRR)
- -70dB
- Quiescent Current
- 5mA
- Signal-to-Noise Ratio
- 85dB
- Speaker Channels
- 1-Channel
- Total Harmonic Distortion + Noise (THD+N)
- 1%
- Voltage - Supply
- 2.5V~5.5V
Order codes
1- MD4181LCSC C2903757
Pinout
9| Pin | Name | Type |
|---|---|---|
| 1 | SD | Unspecified |
| 2 | BYP | Unspecified |
| 3 | MODE | Unspecified |
| 4 | IN | Unspecified |
| 5 | VO+ | Unspecified |
| 6 | VDD | Unspecified |
| 7 | GND | Unspecified |
| 8 | VO- | Unspecified |
| 9 | EP | Unspecified |
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<iframe src="https://pcbkit.io/embed/parts/megapower/MD4181" title="MD4181 in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/megapower/MD4181.jpg" alt="MD4181" width="1200" height="900">[](https://pcbkit.io/parts/megapower/MD4181)Questions
Is there a KiCad symbol and footprint for the MD4181?
Yes. The symbol is EasyEDA_Cloud:MD4181 and the footprint EasyEDA_Cloud:SOIC-8_L4.9-W3.9-P1.27-LS6.0-BL-EP3.4, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the MD4181?
SOIC-8-EP, with 9 pins. Its footprint is drawn on this page.
Where is the MD4181 datasheet?
Megapower publishes it: the Datasheet link on this page opens it.
Where can I order the MD4181?
JLCPCB lists it as part C2903757, with 13 in stock; the sellers' links on this page open their listings.