SGM2822T
3.2W Low EMI Class-D Audio Power Amplifier with Auto-Recovering Short-Circuit Protection
The SGM2822T is a high efficiency, low EMI, filterless, Class-D audio amplifier with auto-recovering short-circuit protection. It operates from 2.5V to 5.5V supply voltage. When powered with 5V supply voltage, the SGM2822T is capable of delivering 3.2W into a 4Ω load or 1.8W into an 8Ω load, with 10% THD+N.
As a Class-D audio amplifier, the SGM2822T features 92% efficiency and 87dB PSRR at 217Hz which make the device ideal for battery-powered high-quality audio applications.
A key benefit of the SGM2822T over typical Class-D audio power amplifiers is that it generates much less EMI emissions, thus greatly simplifying the system design for portable applications. The device includes the over-current and short-circuit protections with auto-recovery, which ensures the device can be operated safely and reliably without system interaction.
- Supply Voltage Range: 2.5V to 5.5V
- Filterless Class-D Operation
- High Efficiency up to 92%
- Typical Output Power：
- 3.2W (VDD = 5V, 4Ω Load, THD+N = 10%)
- 1.8W (VDD = 5V, 8Ω Load, THD+N = 10%)
- 1.6W (VDD = 3.6V, 4Ω Load, THD+N = 10%)
- 0.9W (VDD = 3.6V, 8Ω Load, THD+N = 10%)
- Low THD+N: 0.02% (VDD = 3.6V, f = 1kHz, RL = 8Ω, PO = 0.5W)
- Low Quiescent Current: 2.1mA at VDD = 3.6V
- Internal Equivalent Feedback Resistor: 300kΩ
- Low Output Noise: 30μV
- Low Shutdown Current: 0.1µA
- High PSRR: 87dB at 217Hz
- No Bypass Capacitor Required for the Common-Mode Bias
- Under-Voltage Lockout
- Auto-Recovering Over-Current and Short-Circuit Protections
- Thermal Overload Protection
- Low EMI Design
- Available in Green UTQFN-1.2×1.2-9LPackage
Mobile Phones
Portable Navigation Devices
Multimedia Internet Devices
Portable Speakers
Part Number | Status | Package | Pins | Pd-Free | RoHS | REACH | Green | MSL Rating | Operating Temperature Range | Material Content | Reliability Report | Unit Resale Price* (Volume Range: in USD) | Lead Time** (Volume Range: Days) | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SGM2822TYUVC9G/TR | Active | UTQFN-1.2×1.2-9L | 9 | YES | YES | YES | YES | MSL1 | -40℃ to +85℃ | View | View | 1-24 units : $0.28/unit 25-99 units : $0.24/unit 100-249 units : $0.2/unit 250-499 units : $0.16/unit 500-999 units : $0.14/unit 1000-9999 units : $0.104/unit | 3K-9K : 14 days 10K-99K : 35 days 100K-999K : 70 days 1000K and above : 98 days |
* The unit resale price is for reference purposes only. Please contact our distributors for a formal quotation.
** The lead time provided is for reference purposes only and is subject to change based on different circumstances.
