■Overview

The AN7194K and AN7194Z are single power supply, BTL, audio class-H power amplifier ICs. A class-H power amplifier can be made up when this ICs are used in combination with the AN7077Z which is separately market-available, and it is possible to make a low consumption power system. Also, the AN7194K and AN7194Z are incorporating various protection circuits, so that those ICs contribute to the high reliability design of set.

■Features

•Incorporating various protection circuits :

Thermal protection, load short-cirucit, short circuit to VCCand short circuit to GND, overvoltage.

•Built-in stand-by function(Free from shock noise when standby turns-on/off)

•Built-in muting function

Free from shock noise at mute-on/off

Adapting attenuator method so that abnormal sound is

not generated due to waveform deformation

Attack time, recovery time are 20 ms or less

•Reduction in external components

NF and BS electrolytic capacitors are needless

RF electrolytic capacitor is needless

External muting function is needless

•OR output terminal is provided

•Designed for headphone use

•The AN7194K is of a 16-pin and the AN7194Z is of a 15-pin package