PAM8403DES
16mA 2.2V~5.5V 2-Channel 3Wx2@4Ω Class D SOP-16 Audio Amplifiers
- Manufacturer
- GREENMICRO
- Manufacturer part #
- PAM8403DES
- Store part #
- C53055751
- Package / case
- SOP-16
- Category
- Audio Amplifiers
- Packaging
- Tape & Reel (TR)
Every Order Guarantee
100% Authentic · 30-Day Return or Replacement · policy
1,690 in stock
#C53055751
Stock & price checked 5 days ago
| Quantity | Unit price | Pack price |
|---|---|---|
| 5+ | ₹25.24 | ₹126.20 |
| 50+ | ₹19.94 | ₹997.00 |
| 150+ | ₹17.66 | ₹2,649.00 |
| 500+ | ₹14.83 | ₹7,415.00 |
| 2,500+ | ₹13.57 | ₹33,925.00 |
| 5,000+ | ₹12.82 | ₹64,100.00 |
5 × ₹25.24
₹126.20
excl. GST
₹148.92 incl. 18% GST
- Dispatch in 7–10 working days
- GST invoice with every order
- Standard pack: 2,500 per reel
PAM8403DES
₹126.20 for 5 + GST
Specifications
- Quiescent Current
- 16mA
- Voltage - Supply
- 2.2V~5.5V
- Total Harmonic Distortion + Noise (THD+N)
- 0.15%
- Features
- Filterless architecture;Overvoltage protection;Enable/shutdown function
- Operating Temperature
- -25℃~+85℃
- Signal-to-Noise Ratio
- 80dB
- Number of Inputs
- 2 Single-Ended Inputs
- Speaker Channels
- 2-Channel
- Efficiency
- 87%
- Output Power
- 3Wx2@4Ω
- Class
- Class D
- Power Supply Rejection Ratio (PSRR)
- -59dB
Packaging & compliance
- RoHS
- RoHS
- Lifecycle
- Active
- Packaging
- Tape & Reel (TR)
- Standard pack
- 2,500 / Reel
- Sold per
- Piece
- Minimum order
- 5 (multiples of 5)
- Unit weight
- 0.366 g
Overview
The 8403 is a 3W dual-channel filterless Class-D stereo audio power amplifier that delivers Class-AB performance at Class-D efficiency. Operating in a Class-D topology, it provides up to 3W output power into a 4Ω load at 5V supply with conversion efficiency exceeding 85%. The filterless architecture eliminates the output low-pass filter required in conventional Class-D amplifiers, reducing system cost and PCB area. With a wide input supply voltage range of 2.0V to 5.5V, minimal external components, and low cost, the 8403 is an ideal solution for portable speaker applications.
Applications
- Bluetooth speaker
- Card speaker
- Computer USB speaker
- Portable speaker
- Learning machine
Key features
- Filterless Class-D amplifier with low quiescent current
- Up to 90% efficiency
- Low THD+N
- Overcurrent, over-temperature, and overvoltage protection
- Gain adjustable via external components
- Minimal external components required, saving PCB space and BOM cost
- SOP16 lead-free package
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