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SI2707-A10-GM Datasheet(PDF) 1 Page - Silicon Laboratories |
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SI2707-A10-GM Datasheet(HTML) 1 Page - Silicon Laboratories |
1 / 46 page Rev. 0.6 8/10 Copyright © 2010 by Silicon Laboratories Si2704/05/06/07-A10 This information applies to a product under development. Its characteristics and specifications are subject to change without notice. Si2704/05/06/07-A10 EMI M ITIGATING 2.1 X 5W C LASS D A UDIO A MPLIFIER Features Applications Description The Si2704/05/06/07 EMI mitigating 2.1 digital audio processing Class D amplifier integrates a power stage, PWM DAC, and digital audio processing (DAP) for simplified, low cost, power efficient system designs in consumer audio electronics. The digital input amplifier features delta-sigma PWM and innovative EMI mitigation technology for producing high-quality audio while effectively managing PWM switching noise for enhanced EMI compliance and AM/FM radio co-existence, while also being GSM/iPhone friendly. Functional Block Diagram Digital input Delta-Sigma PWM Patent-pending EMI mitigation AM radio band noise-free notch GSM/iPhone friendly Wideband PWM carrier spreading Power stage slew rate control Power stage feedback for PSR/THD 2x 5 W @ 3 BTL; 2x 3 W @ 8 BTL 88% efficiency with >50 dB PSRR 95 dB dynamic range and <0.1% THD Stereo PWM DAC line analog outputs Master/slave I2S w/ 3 inputs & 1 output Automatic digital audio rate detection Standard audio rates from 32–192 kHz Audio activity detector w/ auto-standby Operates from external XTAL or clock Buffered master/regulator clock output Programmable 7 band parametric EQ, dynamic range compressor, tone control Crossbar input mixer with scaling Digital tone and alert generation 128 dB volume control in 0.5 dB steps Multiple low power operating modes Over-current and over-temperature detection w/ auto recovery Pop and click free operation Standard 2-wire control w/ 2 addresses System flexibility w/ 3 multi-function pins Dual supply voltage: 2.7–3.6 V main and 4.0–6.6 V power stage Available in 4x4 24-pin Power QFN and 7x7 48-pin Power eTQFP package Both Pb-free/RoHS compliant PMP/MP3 docking stations Portable consumer audio electronics Table top and portable radios Active/wireless speakers TVs and monitors TV sound bars Si270x Digital Class-D Amplifier PWM DAC Over Current Over Temp Feedback Power Stage LF Power Stage RF 4.0 – 6.6 V Supply VPP CLKO PWM CH 2 CH 1 PWM 2.7 – 3.6 V Supply VDD 2-Wire Control DSP I 2S/AAD Mixer ASRC Tone Gen. Cross-over Filter Volume Control Tone Control 7-Band EQ DRC System Control Clock Generation MFP MFP Control LDO I 2S AUXOL/R 1.62 – 3.6 V Supply VIO Ordering Information: See page 37. Pin Assignments DCLK DIN VIO SCLK SDIO CLKO GND PAD (Back Paddle) Top Down View 24-Pin QFN Package 24 23 22 21 20 19 13 14 15 16 17 18 12 11 10 9 8 7 1 2 3 4 5 6 OUTPL OUTNL GNDL GNDR OUTNR OUTPR GND PAD (Back Paddle) 29 30 31 32 26 27 28 25 33 34 35 36 8 7 6 5 11 10 9 12 4 3 2 1 44 43 42 41 47 46 45 48 40 39 38 37 17 18 19 20 14 15 16 13 21 22 23 24 GNDL OUTNR GNDR OUTPR NC VPPR NC VPPL OUTNL OUTPL GND GND VIO GND SDIO SCLK CLKO NC NC NC NC DFS DIN DCLK Top Down View 48-Pin eTQFP Package Si2704/05/06/07 |
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