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Partno	Mfg	Dc	Qty	Available	Descript
LM4675SD NOPB |LM4675SDNOPB	NSC	N/a	13000	avai	Ultra-Low EMI, Filterless, 2.65W, Mono, Class D Audio Power Amplifier with Spread Spectrum 8-WSON

LM4675SD NOPB ,Ultra-Low EMI, Filterless, 2.65W, Mono, Class D Audio Power Amplifier with Spread Spectrum 8-WSON Electrical CharacteristicsThe following specifications apply for A = 2V/V (R = 150kΩ), R = 15µH + 8 ..
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LM4675SD NOPB
Ultra-Low EMI, Filterless, 2.65W, Mono, Class D Audio Power Amplifier with Spread Spectrum
LM4675, LM4675SDBD, LM4675TLBD
www.ti.com SNAS353C –AUGUST 2006–REVISED MAY 2013
LM4675 Ultra-Low EMI, Filterless, 2.65W, Mono, ClassD
Audio Power Amplifier with Spread Spectrum
Checkfor Samples: LM4675, LM4675SDBD, LM4675TLBD
1FEATURES DESCRIPTION
The LM4675 isa single supply, high efficiency, Spread Spectrum Architecture Reduces EMI 2.65W, mono, ClassD audio amplifier.A spread• Mono ClassD Operation spectrum, filterless PWM architecture reduces EMI No Output Filter Required for Inductive Loads and eliminates the output filter, reducing external
component count, board area consumption, system• Externally Configurable Gain cost, and simplifying design.• Very Fast Turn On Time: 17μs (typ)
The LM4675is designedto meet the demandsof• Minimum External Components mobile phones and other portable communication• "Click and Pop" Suppression Circuitry devices. Operating ona single 5V supply,it is Micro-Power Shutdown Mode capableof drivinga 4Ω speaker loadata continuous
average outputof 2.2W with less than 1% THD+N.Its• Availablein Space-Saving 0.5mm Pitch flexible power supply requirements allow operationDSBGA and WSON Packages from 2.4Vto 5.5V. The wide band spread spectrum
architecture of the LM4675 reduces EMI-radiatedAPPLICATIONS emissions dueto the modulator frequency. Mobile Phones The LM4675 has high efficiency with speaker loads• PDAs comparedtoa typical Class AB amplifier. Witha 3.6V Portable Electronic Devices supply drivingan 8Ω speaker, the IC's efficiency fora
100mW power levelis 80%, reaching 89%at 400mW
output power.KEY SPECIFICATIONS
The LM4675 featuresa low-power consumption• Efficiencyat 3.6V, 400mW into 8Ω Speaker: shutdown mode. Shutdown may be enabled by89% (typ) driving the Shutdown pintoa logic low (GND).• Efficiencyat 3.6V, 100mW into 8Ω Speaker:
The gain of the LM4675is externally configurable80% (typ)
which allows independent gain control from multiple• Efficiencyat 5V, 1W into 8Ω Speaker: 89% sourcesby summing the signals. Output short circuit(typ) and thermal overload protection prevent the device• Quiescent Current, 3.6V Supply: 2.2mA (typ) from damage during fault conditions. Supply Current: 0.01µA 5.5V