CP2212 v1.0 product brief audio power amplifier series 3w/ch, stereo, filterless, class-d audio power amplifier copyright ?2007 chiphomer technology limited general description the CP2212 is a high efficiency, stereo, filterless, class d audio power amplifier designed for demanding audio applications. it is capable of delivering 3w/ch of continuous average power to a 4 ? btl load with less than 10% distortion (thd+n) from a 5v battery voltage. it operates from 2.5v to 5.5v. csp16 package 1.95mm 1.95mm -40 85 features like 90% efficiency, -80db psrr at 217hz, improved rf-rectification immunity, the space-saving csp16 and qfn20 packages, the advanced pop & click circuitry, a minimal count of external components and low-power shutdown mode make the CP2212 ideal for wireless handsets. qfn20 package 4mm 4mm the CP2212 features independent shutdown controls for each channel. the gain can be selected to 6, 12, 18, or 24 db utilizing the g0 and g1 gain select pins. -40 85 features y optimized pwm eliminates output filter y efficiency with an 8 ? speaker at 400mw 90% y power output at 5.0v 1%thd 8 ? 1.36w/ch y power output at 5.0v 10%thd 4 ? 3w/ch y wide single supply voltage: 2.5v to 5.5v y independent shutdown control for each channel y selectable gain of 6, 12, 18, and 24 db y quiescent current 4.5ma y shutdown current 0.1 a y improved psrr -80db y internally generated 300khz switching frequency y fully differential design reduces rf rectification y integrated click-and-pop suppression circuitry y short circuit and thermal protection y available in space-savi ng packages: csp16 & qfn20 y rohs compliant and 100% lead(pb)-free applications y wireless handsets y portable audio devices y pdas y notebook computers 1
CP2212 v1.0 product brief audio power amplifier series 3w/ch, stereo, filterless, class-d audio power amplifier copyright ?2007 chiphomer technology limited pin configurations outl+ g1 pvdd pgnd 14 15 pvdd 13 pgnd 12 g0 outr+ outl- outr- 11 2
CP2212 v1.0 product brief audio power amplifier series 3w/ch, stereo, filterless, class-d audio power amplifier copyright ?2007 chiphomer technology limited typical application c i c i inr+ inr- outr+ outr- vdd gnd c s 1 f right input 8 ? r l sdr pvdd pwm h bridge bias circuitry oscillator + v dd CP2212 300k ? gain adjust inl+ inl- outl+ outl- left input 8? r l pwm h bridge + gain adjust sdl 300k ? g0 g1 short-circuit protection g1 g0 gain v/v db 0026 01412 10818 111624 c i c i contact with chiphomer 4f, building d, 1618 yishan road shanghai, 201103, p.r.c. tel: (86)21-64014543 64058488 fax: (86)21-64050030 sale: sales@chiphomer.com technical support: support@chiphomer.com web site: www.chiphomer.com shenzhen office: 10d, building 2, dushi yangguang garden chegongmiao, futian district, shenzhen, 518048, p.r.c. tel: (86)755-82046706 82047789 fax: (86)755-8204670 3
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