ams-OSRAM USA INC. AS3421-EQFP
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | Dhs. 355,874.90 | Dhs. 355,874.90 |
| 15+ | Dhs. 344,636.75 | Dhs. 5,169,551.25 |
| 25+ | Dhs. 337,144.64 | Dhs. 8,428,616.00 |
| 50+ | Dhs. 318,414.39 | Dhs. 15,920,719.50 |
| 100+ | Dhs. 280,953.87 | Dhs. 28,095,387.00 |
| N+ | Dhs. 56,190.77 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | ams-OSRAM USA INC. |
| Product Series | |
| Packaging | | |
| Part Status | Active |
| Type | Class AB |
| Output Type | Headphones, 2-Channel (Stereo) |
| Max Output Power x Channels @ Load | - |
| Voltage - Supply | 1V ~ 1.8V |
| Features | Depop, Differential Inputs, I2C, Input Multiplexer, Microphone, Mute, Short-Circuit Protection, Volume Control |
| Mounting Type | Surface Mount |
| Operating Temperature | -20°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Supplier Device Package | 24-QFN (4x4) |
| Package / Case | 24-VFQFN Exposed Pad |
| ROHS |  |
The AS3421-EQFP is a low-voltage Class AB headphone amplifier from ams-OSRAM, designed for portable and battery-powered audio devices. Operating from 1V to 1.8V, it integrates I2C control, an input multiplexer, microphone input, and volume control. Its 24-QFN package and depop feature make it ideal for smartphones, hearing aids, and wearable audio products requiring compact size and low power.
- Ultra-Low Voltage: Operates from 1V to 1.8V for single-cell battery use.
- Integrated Features: I2C, input mux, microphone, and volume control reduce BOM.
- Compact Package: 24-QFN (4x4mm) saves space.
- Low Distortion: Class AB design ensures high audio quality.
Portable Audio Players
The AS3421-EQFP's ultra-low 1V to 1.8V supply and I2C control make it perfect for battery-powered MP3 players with headphone output.
Smartphone Audio Subsystems
Its integrated microphone input and input multiplexer allow for headset detection and audio routing in mobile phones.
Hearing Aids
Low power consumption and small 4x4mm QFN package enable use in miniaturized hearing aid devices.
Voice Recorders
The microphone input and volume control simplify design in portable voice recorders with headphone monitoring.
Wearable Audio Devices
With 1.8V operation, it can be powered directly from coin cells in smart glasses or fitness trackers.
IoT Audio Hubs
I2C interface allows integration with microcontrollers in smart home IoT devices for voice prompts.
| Model | Package | Voltage Range | Output Power (Typical) |
|---|---|---|---|
| AS3421-EQFP | 24-QFN (4x4) | 1V ~ 1.8V | Headphone, Stereo |
| AS3420-EQFP | 24-QFN (4x4) | 1V ~ 1.8V | Headphone, Stereo |
| AS3422-EQFP | 24-QFN (4x4) | 1V ~ 1.8V | Headphone, Stereo |
- Q: What is the supply voltage of the AS3421-EQFP?
- A: It operates from 1V to 1.8V, ideal for low-power devices.
- Q: What features does it include?
- A: It features I2C control, input multiplexer, microphone input, volume control, and depop.
- Q: Is it a Class AB amplifier?
- A: Yes, it is a Class AB headphone amplifier for low distortion.
- Q: What package is used?
- A: It comes in a 24-QFN (4x4) package.
- Q: What are typical applications?
- A: Ideal for portable audio players, smartphones, and hearing aids.
AS3421-EQFP.pdf
- Q: What is the supply voltage of the AS3421-EQFP?
- A: It operates from 1V to 1.8V, ideal for low-power devices.
- Q: What features does it include?
- A: It features I2C control, input multiplexer, microphone input, volume control, and depop.
- Q: Is it a Class AB amplifier?
- A: Yes, it is a Class AB headphone amplifier for low distortion.
- Q: What package is used?
- A: It comes in a 24-QFN (4x4) package.
- Q: What are typical applications?
- A: Ideal for portable audio players, smartphones, and hearing aids.
