Diodes Incorporated PAM8904GPR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | Dhs. 1.09 | Dhs. 1.09 |
| 15+ | Dhs. 1.07 | Dhs. 16.05 |
| 25+ | Dhs. 1.04 | Dhs. 26.00 |
| 50+ | Dhs. 0.99 | Dhs. 49.50 |
| 100+ | Dhs. 0.87 | Dhs. 87.00 |
| N+ | Dhs. 0.17 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Diodes Incorporated |
| Product Series | |
| Packaging | Factory | Tape & Reel (TR) |
| Part Status | Active |
| Type | Class AB |
| Output Type | 1-Channel (Mono) |
| Max Output Power x Channels @ Load | - |
| Voltage - Supply | 1.8V ~ 5.5V |
| Features | - |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Supplier Device Package | U-QFN2020-12 (Type UX) |
| Package / Case | 12-UFQFN Exposed Pad |
The PAM8904GPR is a mono Class AB audio amplifier designed for low-power, battery-operated applications. Operating from 1.8V to 5.5V, it delivers clear, low-distortion audio output in a compact U-QFN2020-12 package. Its wide temperature range and surface-mount design make it suitable for portable speakers, intercoms, IoT devices, and DIY audio projects. With minimal external components required, this amplifier simplifies design while maintaining excellent audio fidelity.
- Wide Supply Voltage Range (1.8V to 5.5V): Enables direct battery operation from single-cell Li-ion or dual AA batteries, simplifying power design.
- Low Distortion Class AB Output: Provides high-fidelity audio with minimal crossover distortion, ideal for voice and music reproduction.
- Compact U-QFN2020-12 Package: Saves board space in space-constrained portable and wearable devices.
- Extended Temperature Range (-40°C to +85°C): Ensures reliable performance in industrial and outdoor environments.
- Simple External Component Count: Reduces BOM cost and design complexity for rapid prototyping and production.
Portable Bluetooth Speaker
The PAM8904GPR's wide 1.8V to 5.5V supply range allows direct operation from a single lithium-ion battery, while its Class AB topology ensures low total harmonic distortion for clear audio in compact Bluetooth speakers.
Battery-Powered Intercom System
With a low minimum voltage of 1.8V, this amplifier can run on two AA batteries, providing reliable mono audio amplification for door intercoms or baby monitors with minimal power consumption.
IoT Voice Alert Device
Smart home sensors and alarms benefit from the PAM8904GPR's small U-QFN package and wide temperature range, enabling voice prompts or alerts in thermostats, smoke detectors, and security systems.
Portable AM/FM Radio
The mono output and low noise characteristics make this chip suitable for driving a small speaker in pocket radios, delivering clear audio from 1.8V to 5.5V supplies.
DIY Audio Amplifier Project
Hobbyists can easily integrate the PAM8904GPR into custom audio circuits due to its simple external component requirements and exposed pad for heat dissipation, ideal for learning amplifier design.
Medical Monitoring Device
Its stable operation from -40°C to +85°C and low voltage capability allow use in portable medical equipment like pulse oximeters or glucose monitors that require audio feedback.
| Model | Package | Voltage Range | Output Power (Typical) |
|---|---|---|---|
| PAM8904GPR | U-QFN2020-12 | 1.8V ~ 5.5V | Mono, Class AB |
| PAM8303DBYC | 8-DFN (3x3) | 2.8V ~ 5.5V | 3W x 1 @ 4Ω (Class D) |
| PAM8901JER | U-QFN3030-16 | 2.5V ~ 5.5V | 35mW x 2 @ 16Ω (Stereo) |
- Q: What is the supply voltage range for the PAM8904GPR?
- A: The PAM8904GPR operates from 1.8V to 5.5V, making it ideal for battery-powered devices.
- Q: What is the amplifier class and channel type?
- A: It is a mono Class AB amplifier, providing low distortion audio output.
- Q: What is the operating temperature range?
- A: The device is rated for -40°C to +85°C, suitable for industrial and consumer environments.
- Q: What package does the PAM8904GPR come in?
- A: It is available in a U-QFN2020-12 (Type UX) package, a compact 12-UFQFN with exposed pad for thermal management.
- Q: Can this amplifier be used in portable audio applications?
- A: Yes, its low voltage operation and small package make it perfect for portable speakers, headphones, and IoT audio devices.
- Q: What is the supply voltage range for the PAM8904GPR?
- A: The PAM8904GPR operates from 1.8V to 5.5V, making it ideal for battery-powered devices.
- Q: What is the amplifier class and channel type?
- A: It is a mono Class AB amplifier, providing low distortion audio output.
- Q: What is the operating temperature range?
- A: The device is rated for -40°C to +85°C, suitable for industrial and consumer environments.
- Q: What package does the PAM8904GPR come in?
- A: It is available in a U-QFN2020-12 (Type UX) package, a compact 12-UFQFN with exposed pad for thermal management.
- Q: Can this amplifier be used in portable audio applications?
- A: Yes, its low voltage operation and small package make it perfect for portable speakers, headphones, and IoT audio devices.

PAM8904GPR.pdf