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LM48511SQ/NOPB
Audio Power Amplifier, 3 W, D, 1 Channel, 3V to 5.5V, LLP, 24 Pins
- 製造商產品編號:
- LM48511SQ/NOPB
- 訂購代碼：
- 3004537
產品總覽
The LM48511SQ/NOPB is a filterless mono class D Audio Power Amplifier with spread spectrum. This device integrates a boost converter with a high-efficiency class D audio power amplifier to provide 3W continuous power into a 8R speaker when operating from a 5V power supply. When operating from a 3 to 4V power supply, the LM48511 can be configured to drive 1 to 2.5W into a 8R load with less than 1% distortion (THD+N). The class D amplifier features a low-noise PWM architecture that eliminates the output filter, reducing external component count, board area consumption and simplifying design. A selectable spread spectrum modulation scheme suppresses RF emissions, further reducing the need for output filters. The switching regulator of the LM48511 is a current-mode boost converter operating at a fixed frequency of 1MHz.
- Selectable spread spectrum mode reduces EMI
- Independent regulator and amplifier shutdown controls
- Dynamically selectable regulator output voltages
- Low shutdown current
- Click and pop suppression
- 80% Efficiency
- Green product and no Sb/Br
應用
Audio, Sensing & Instrumentation, Portable Devices, Consumer Electronics
產品訊息
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