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ZXCD1210 Datasheet(PDF) 1 Page - Diodes Incorporated |
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ZXCD1210 Datasheet(HTML) 1 Page - Diodes Incorporated |
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1 / 8 page  Issue 2 - October 2007 1 www.zetex.com © Zetex Semiconductors plc 2007 ZXCD1210 High performance analog input Class D modulator Description The ZXCD1210 provides complete control and modulation functions at the heart of high efficiency high performance Class D switching audio amplifier solutions. In combination with high performance output stages and open or closed loop architectures, the ZXCD1210 provides a high performance audio amplifier with all the inherent benefits of Class D. The ZXCD1210 solution uses proprietary circuit design to realise the true benefits of Class D without the traditional drawback of poor distortion performance. The combination of reference circuit designs, magnetic component choice and layout are essential to realising these benefits. Features • Output power 50W to 500W into 4 • THD+N <0.05% • Dynamic range 98dB • Open loop and closed loop reference designs • Frequency response Subwoofers: ±0.5dB from 10Hz to 250Hz Full band: ±0.5dB from 20Hz to 20kHz • 200kHz PWM frequency • Output drive free of crossover artifacts • QFN16 4x4 package The ZXCD1210 reference designs provide output powers up to 500W RMS with typical distortion and noise of less than 0.05% and a dynamic range of 98dB. The closed loop designs ensure a high damping factor and excellent supply rejection. The open loop designs provide high performance in the most economic implementation. The closed loop reference designs include circuits specifically for subwoofer applications featuring a flat frequency response up to 250Hz. The open loop designs give the ZXCD1210 the ability to produce amplifiers with full a 20kHz bandwidth. Applications • Subwoofers • Home theatre systems • Multimedia • Wireless speakers • Portable audio This plot shows the THD+N versus power plot for a 500W closed loop subwoofer reference design. THD+N is 0.02% between 10W and 200W which is outstanding performance. 0.02 0.3 0.04 0.06 0.08 0.1 0.12 0.14 0.16 0.18 0.2 0.22 0.24 0.26 0.28 100m 500 200m 500m 1 2 5 10 20 50 100 200 Output power (W) |
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