CP2297 v1.0 product brief audio power amplifier series 3.1w , mono , fully differential audio power amplifier with internal feedback resistors copyright ?2006 chiphomer technology limited 1 general description the CP2297 is a fully differential audio power amplifier designed for demanding audio applications. it is capable of delivering 3.1 watt of continuous average power to a 3 ? btl load with less than 10% distortion (thd+n) from a 5v battery voltage. it operates from 2.2v to 5.5v. features like -86db psrr at 21 7hz, improved rf-rectification immunity, the space-saving c sp9, dfn8, msop8 and sop8-pp(exp pad)packages, the advanced pop & cli ck circuitry, a minimal count of external components and low-power shutdown mode make the CP2297 ideal for wireless handsets. the CP2297 is unity-gain stable, and the gain can be configured by external input resistors and internal feedback resistors. features y fully differential amplifier y improved psrr at 217hz -86db (typ) y power output at 5.0v, 10% thd, 3 ? (dfn8, sop8-pp only) 3.1w (typ) y power output at 5.0v, 1% thd, 8 ? 1.36w (typ) y ultra low shutdown current 0.01 a (typ) y improved pop & click circuitry eliminates noises during turn-on and turn-off transitions y thermal overload protection circuitry y unity-gain stable y external gain conf iguration capability y available in space-saving packages: csp9, dfn8, msop8 and sop8-pp(exp pad) y rohs compliant and 100% lead(pb)-free applications y wireless handsets y portable audio devices y pdas y notebook computers csp9 package 1.5mm 1.5mm -40 85 dfn8 package 3mm 3mm -40 85 msop8 package -40 85
CP2297 v1.0 product brief audio power amplifier series 3.1w , mono , fully differential audio power amplifier with internal feedback resistors copyright ?2006 chiphomer technology limited 2 pin configurations
CP2297 v1.0 product brief audio power amplifier series 3.1w , mono , fully differential audio power amplifier with internal feedback resistors copyright ?2006 chiphomer technology limited 3 typical application + in- in+ vo+ vo- vdd gnd bias circuitry bypass 40k ? 1 f - c b 1 f r f c s 40k ? r f 20k ? r i 20k ? r i differential audio input 8 ? r l + - c b is optional shutdown v ih v il v dd /2 CP2297 c i 0.39 f c i 0.39 f 100k ? 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
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