CP2203 v1.1 product brief audio power amplifier series 1.25 w , mono , fully differential audio power amplifier copyright ?2006 chiphomer technology limited 1 general description the CP2203 is a fully differential audio power amplifier designed for demanding audio applications. it is capable of delivering 1.25 watt of continuous average power to an 8 ? btl load with less than 1% distortion (thd+n) from a 5v battery voltage. it operates from 2.2v to 5.5v. features like -90db psrr at 217hz, improved rf-rectification immunity, the space-saving csp8 package, the advanced pop & click circuitry, a minimal count of external components and low-power shutdown mode make the CP2203 ideal for wireless handsets. the CP2203 is unity-gain stable, and the gain can be configured by external resistors. features y fully differential amplifier y improved psrr at 217hz vdd>3.0v -90db (typ) y power output at 5.0v & 1% thd 1.25w (typ) y power output at 3.6v & 1% thd 0.6w (typ) y ultra low shutdown current 0.01a (typ) y improved pop & click circuitry eliminates noises during turn-on and turn-off transitions y thermal overload protection circuitry y no output coupling capacitors, bootstrap capacitors required y unity-gain stable y external gain conf iguration capability y space-saving csp8 package y rohs compliant and 100% lead(pb)-free applications y wireless handsets y portable audio devices y pdas y notebook computers csp8 package 1.5mm x 1.5mm -40 85
CP2203 v1.1 product brief audio power amplifier series 1.25 w , mono , fully differential audio power amplifier copyright ?2006 chiphomer technology limited 2 pin configurations
CP2203 v1.1 product brief audio power amplifier series 1.25 w , mono , fully differential audio power amplifier copyright ?2006 chiphomer technology limited 3 typical application in- in+ differential audio input + in- in+ vo+ vo- vdd gnd 20k ? 0.39 f 1 f CP2203 - r f c s 20k ? r f 20k ? r i 20k ? r i c i 8 ? r l + - bias circuitry bypass c b 1 f c b is optional shutdown v ih v il v dd /2 0.39 f 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
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