A2331

AiT Semiconductor Inc. www.ait-ic.com A2331 AUDIO AMPLIFIER 3W ANTI-CLIP CLASS-D DESCRIPTION FEATURES A2331 is a 3-W (VDD=5.0V, RL=4Ω) high efficiency  Output Power filter-free class-D audio power amplifier in a wafer 3.0W (VDD=5.0V, RL=4Ω, THD+N=10%) chip scale package (WLCSP). 1.8W (VDD=5.0V, RL=8Ω, THD+N=10%)  Four mode can be selected with CTRL A2331 has a “Professional Anti-Clip output control terminal: Anti-Clip 1, Anti-Clip 2, Anti-Clip off, circuit” which reducing distortion of output signal Power-Down due to either the over level input signal or power  Low THD+N and Low Noise supply voltage down with battery.  Low EMI  Improved PSRR (−80dB) and Wide Supply Features like high efficiency, −80dB PSRR, over Voltage (2.5 V to 5.0V) Eliminates Need for a current protection and thermal protection function Voltage Regulator make the A2331 ideal for cellular handsets.  Over-current and Thermal Protection function  Pop noise reduction function The A2331 is available in CSP9 package.  Available in CSP9 package ORDERING INFORMATION Package Type Part Number CSP9 A2331G9R G9 A2331G9VR Note V: Halogen free Package R: Tape & Reel AiT provides all RoHS products Suffix “ V “ means Halogen free Package APPLICATION  Mobile phone, PDA  MP3/4, PMP, GPS  Portable electronic devices TYPICAL APPLICATION REV1.1 - AUG 2011 RELEASED, NOV 2013 UPDATED - -1- AiT Semiconductor Inc. www.ait-ic.com PIN DESCIPTION A2331 AUDIO AMPLIFIER 3W ANTI-CLIP ...