CP2293 v1.0 product brief audio power amplifier series 3w , mono , fully differential audio power amplifier copyright ?2006 chiphomer technology limited 1 general description the CP2293 is a fully differential audio power amplifier designed for demanding audio applications. it is capable of delivering 3 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 -88db psrr at 217hz, improved rf-rectification immunity, the space-saving csp8 , dfn8 and msop8 packages, the advanced pop & click circuitry, a minimal count of external components and low-power shutdown mode make the CP2293 ideal for wireless handsets. the CP2293 is unity-gain stable, a nd the gain can be configured by external resistors. features y fully differential amplifier y improved psrr at 217hz -88db (typ) y power output at 5.0v, 10% thd, 3 ? (dfn8 only) 3w (typ) y power output at 5.0v, 1% thd, 8 ? 1.3w (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 pac kages: csp8, dfn8 and msop8 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 1.5mm -40 85 dfn8 package 3mm 3mm -40 85 msop8 package -40 85
CP2293 v1.0 product brief audio power amplifier series 3w , mono , fully differential audio power amplifier copyright ?2006 chiphomer technology limited 2 pin configurations csp8 package (top view) csp8 marking 3 2 1 shutdown bc a gnd in- in+ bypass vo- vdd vo+ xy -manufacture date code al - CP2293itlx 2 bypass in+ in- shutdown dfn8 package (top view) dfn8 marking 1 3 xy -manufacture date code ak - CP2293ld 4 7 8 6 5 gnd vdd vo+ vo- 1 2 3 4 8 7 6 5 shutdown bypass in+ in- vo- gnd vdd vo+ msop8 package (top view) msop8 marking xy -manufacture date code aj - CP2293mm
CP2293 v1.0 product brief audio power amplifier series 3w , mono , fully differential audio power amplifier copyright ?2006 chiphomer technology limited 3 typical application circuit in- in+ differential audio input + in- in+ vo+ vo- vdd gnd 20k ? 0.39 f 1 f CP2293 - 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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