RT5509WSC
IC AMP D MONO 4.4W WLCSP-48
Linear Amplifiers Audio
48-UFBGA, WLCSP
Active
$10.62 / unit (market reference)
MOQ: 1 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | Richtek USA Inc. |
| Model | RT5509WSC |
| Package / Case | 48-UFBGA, WLCSP |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Voltage - Supply | 1.71V ~ 2V |
| Supplier Device Package | 48-WLCSP (3.04x2.99) |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
RT5509WSC by Richtek USA Inc. is a 2-channel general-purpose operational amplifier, found in sensor signal conditioning, active filters, voltage followers, comparator circuits, and audio preamplifiers across virtually every electronics segment. The 48-UFBGA, WLCSP package with surface mount mounting is suitable for automated assembly. Operating temperature range is -40°C ~ 85°C (TA). Pin-compatible alternatives include ST and TI variants — domestic drop-ins from 3PEAK and SGMICRO offer competitive pricing.
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All Technical Specifications
| Type | Class D |
| Features | I²C, I²S, Mute, PWM, Short-Circuit and Thermal Protection, Volume Control |
| Output Type | 1-Channel (Mono) |
| Voltage - Supply | 1.71V ~ 2V |
| Max Output Power x Channels @ Load | 4.4W x 1 @ 8Ohm |
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