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| Part Number | RT5509WSC |
| Datasheet | RT5509WSC datasheet |
| Description | IC AUDIO AMP WLCSP-48 |
| Manufacturer | Richtek USA Inc. |
| Series | - |
| Part Status | Active |
| Type | Class D |
| Output Type | 1-Channel (Mono) |
| Max Output Power x Channels @ Load | 4.4W x 1 @ 8 Ohm |
| Voltage - Supply | 1.71V ~ 2V |
| Features | I²C, I²S, Mute, PWM, Short-Circuit and Thermal Protection, Volume Control |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Supplier Device Package | - |
| Package / Case | 48-UFBGA, WLCSP |