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UNISONIC TECHNOLOGIES CO., LTD
PA6203
Preliminary
1.25-W MONO FULLY DIFFERENTIAL AUDIO POWER AMPLIFIER
CMOS IC
DESCRIPTION
The UTC PA6203 is a mono fully-differential audio amplifier, capable of delivering 1.25W of continuous average power to an 8-Ω BTL load with less than 1% distortion from a 5V power supply.
The UTC PA6203 is ideal for PDA/smart phone applications due to features such as -85-dB supply voltage rejection from 90Hz to 5kHz, improved RF rectification immunity and a fast start-up with minimal pop. The device operates from 2.5V to 5.5V, drawing only 1.7mA of quiescent supply current.
FEATURES
* 1.25W into 8Ω from a 5-V supply at THD=1% (Typ.) * 2.5V-5.5V operation * Low supply current: 1.