ML22530TBZ0BX

4-channel mixing speech synthesis LSI with a serial audio interface and a serial flash memory interface for sound data. It adopts a HQ-ADPCM*1, 16bit D/A converter and low-pass filter for high sound quality and incorporates a 1.0W mono speaker amplifier for driving speakers directly. It is also equipped with a function to detect failure. The functions necessary for sound output are integrated into a single chip, so that sound functions can be realized simply by adding this LSI.

• 128Mbit serial flash memory
• Maximum sound production time of 5240s at fs=8.0KHz/2620s at fs =16.0KHz/1310s at fs =32.0KHz
• Edit ROM function, playback function
• Low-pass filter, 16bit D/A converter
• Power supply voltage range from 2.7V to 5.5V
• Master clock frequency of 4.096MHz, 4.000MHz
• Clock back-up function
• Failure detection function, playback sound
• Clock synchronous serial interface/I2C interface

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