2W X2 Class Ab Audio Power Amplifier (with Dc_volume Control)UTC PA7493 provides precise DC Volume Control and a
stereo bridged Audio Power Amplifiers capable of producing 2W
into 4 as a monolithic integrated circuit. In stand-by the power
consumption is very low. UTC PA7493 combines a stereo
single-end (SE) mode for Headphone drive into a single chip and a
stereo bridge-tied loads (BTL) mode for speaker drive(both modes
are easily switched by the SE/BTL input control signal) to simplify
the Audio system design. Package size is not occupies PCB space
cause the built-in over-temperature protection. It is suitable for
small or portable products. By Solomon Systech Limited:
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