STMicroelectronics Audio Amplifier IC, 9-Pin Surface Mount, 3W Output Power, Class D, Flip-Chip A21SP16J

STMicroelectronics A21SP16J is a high-performance audio amplifier IC designed for compact and low power applications. It features a 9-pin flip-chip surface mount package delivering 3W output power with a Class D amplification architecture to ensure optimal audio fidelity and power efficiency.

The IC supports wearable devices, healthcare monitors, fitness trackers, PDAs, and cellular phones where space and energy efficiency are paramount. Its capless and filterless amplification design removes the need for external coupling capacitors or low pass filters, simplifying PCB layout and reducing device size and cost.

Operable over a supply voltage range of 2.4V to 5.5V and a temperature range from -40°C to 85°C, the A21SP16J is suited for a wide variety of environments, including demanding industrial and commercial applications. The IC is Pb-Free complying with modern environmental standards.

Supports low power and headphone audio amplification applications. Class D amplifier architecture for optimal audio performance and power efficiency. Capless and filterless design integrated in the IC. Operates within a supply voltage range of 2.4V to 5.5V.

Designed for wearable, healthcare, fitness, PDA, and cellular phone applications. Surface mount flip-chip package with 9 pins for compact PCB integration. Wide operating temperature from -40°C to 85°C for robust industrial use.

Pb-Free compliant and suitable for environmentally friendly designs. Single channel audio output suitable for low power devices. Class-AB and filterless Class-D architectures embedded for audio quality and efficiency. This product is widely used in electronics manufacturing for industrial, laboratory, and commercial applications where compact and efficient audio amplification is required.

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