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AiT Semiconductor Inc.
www.ait-ic.com
A2327
AUDIO AMPLIFIER 2.6W MONO FILTER-FREE CLASS-D
DESCRIPTION
FEATURES
The A2327 is a 2.6W high efficiency filter-free class-D Efficiency With an 8Ω Speaker:
audio power amplifier that requires only three external
88% @ 400mW
components.
80% @ 100mW
Features like 88% efficiency, −75dB PSRR, and 3.8mA Quiescent Current
improved RF-rectification immunity make the A2327 0.4μA Shutdown Current
ideal for cellular handsets. In cellular handsets, the Optimized PWM Output Stage Eliminates LC
earpiece, speaker phone, and melody ringer can each
Output Filter
be driven by the A2327.