| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
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435 pcs
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435 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
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| Features |
The RT5509WSC from Richtek is a mono BTL class-D amplifier designed for audio applications, incorporating a cutting-edge speaker protection algorithm. This device includes a built-in DC-DC step-up converter, enabling efficient power for the class-D amplifier stage. The amplifier supports an I2S digital audio interface, allowing for two different audio sources, and includes auxiliary DATAI/O for stereo or pass-through applications.
Key electrical specifications include an output power of 4.3W at 1% THD+N into an 8Ω load, with a signal-to-noise ratio of 100dB. The input voltage range is from 2.7V to 5.5V. The boost converter can provide up to 9.5V, with a switching frequency of 2MHz and a maximum output current of 1.5A. The amplifier offers selectable gain levels from 0dB to 18dB and features protection mechanisms such as OCP, OTP, OVP, and UVLO.
The RT5509WSC is housed in a WL-CSP3.04x2.99-48(BSC) package, suitable for compact designs. Its speaker protection provides mechanical and thermal protection with an accuracy of 10%/±10°C. This amplifier is well-suited for applications like smartphones and tablets where high-quality audio amplification and speaker protection are critical.
| Qty | Low | High |
|---|---|---|
| 1+ | $1.93 | $1.93 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The RT5509WSC provides 4.3W of output power at 1% THD+N into an 8Ω load, and 5.4W at 10% THD+N.
The input voltage range for the RT5509WSC is from 2.7V to 5.5V.
The RT5509WSC is a Class-D and Class-G amplifier.
The RT5509WSC supports I2S, Left-Justified, and Right-Justified digital audio interfaces.
The RT5509WSC is available in a WL-CSP3.04x2.99-48(BSC) package.