-Int. OSC with accurate +/- OSC tolerance.

-Auto Split and Auto Mute function for voice data compression.

- Noise Filter function ( Masked Option) for reduce the background noise.

-Adjustable H/W IR carrier frequency to fit different type IR TX/RX.

-Adjustable advanced 4/5-bit ADPCM algorithm, good sound quality.

- Optional Reset pin & OSC pin share with I/O pins. (Masked option).

-Louder Volume design to directly drive 8-64 ohms speaker or piezo/buzzer.

-All output pins are large current design to directly drive high brightness LED. (Type 40mA @ VDD=4.5V, Vol=1.0V). 

2. Wide Operating Voltage Range from 2.0V-5.5V (Spec Guarantee).

-Stable low voltage design, Low Voltage Reset at 1.8V.

-Longer operating time and life-cycle.
Such IC are applied to: educational toys and games, plastic toys, toy cars, toy guns, woodon toys, intelligent toys  etc. Pls send us enquiry if you looks for sound chips ( sound chips for stuffed animals, sound chips for greeting cards, sound chips supplier). etc.