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Class K
Class K audio amplifier belongs to an independent registered trademark of the audio power amplifier product series, boost to 6V, the charge pump architecture, effectively save PCB area and system cost, speaker power protection cover dominant smart phones and feature phones application.
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Product name Power Supply (Min) (V) Power Supply (Max) (V) PVDD Voltage(V) Boost Type PO(W) （8&THD=1%） SPK Noise(uV) Protection Control Interface RCV mode RCV Noise(uV) Temperature Package (mm)
AW8733ATQR MP 2.5 5.5 6.3 Charge Pump (inductor free) 1.7W@4.2V 141uV@24dB NCN one-wire NO / -40℃~85℃ QFN 3X3-20L
AW8737AFCR MP 3.0 5.5 6.05 K-Charge Pump (inductor free) / 53uV@8V/V
58uV@12V/V
68uV@16V/V		 NCN one-wire NO / -40℃~85℃ FCQFN 1.6X1.6-16L
AW87317AFCR MP 3.0 5.5 6.05 K-Charge Pump (inductor free) 1.75W@4.2V 53uV@8V/V NCN one-wire YES 22uV@1V/V
25uV@3V/V		 -40℃~85℃ FCQFN 1.6X1.6-16L