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(ST) A high-quality digital amplifier series single-chip audio solution adds a digital power amplifier STA510F. The new product is capable of delivering up to 100W per channel to an 8 ohm stereo load. This amplifier chip can also output 4 x 50W to a 4 ohm load or 200W to a mono load.
STA510F is for cooperation Adoption of other series Designed specifically for products with FFX (Full Flexible Amplification) digital modulation technology, but also supports any other brand of PWM modulation scheme (such as three-value increment, phase shift or binary incremental modulation) driver. This amplifier chip ensures the sound quality of all PWM input signals, while providing a cost-effective power output stage solution for demanding and cost-conscious products such as home theater systems and micro-sound systems.
In addition, because of the integration of critical logic and power stage power-down sequencing circuits, the STA510F simplifies the design of the application and reduces the cost of materials (BOM); The 'Easy Start' patented technology eliminates the need for external circuitry to precisely control the power-off sequence, making it easier for sound system manufacturers to use the product. This technology also increases the reliability of the design.
The new amplifier chip is fabricated using state-of-the-art BiCMOS-DMOS process technology, which allows integration of DMOS power stages, bipolar transistors and CMOS structures on the same chip. This amplifier chip is The new partner of the new 2.0 channel PWM controller STA330 with FFX technology and the highly efficient multifunction FFX audio processor STA331 based on the ARM7TDMI® core.
The FFX series features high sound quality, low power consumption, and low manufacturing cost, making it suitable for today's fast-growing applications such as wireless products, personal and home audio systems. The high level of integration of this single-package solution, combined with pure digital streaming from the source to the speaker, makes it possible to design a low-cost, high-performance, compact audio system.
The STA510F is now in volume production and is available in a PSO36 package with an order quantity of 100,000 units and a unit price of $3.00.
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