LAPIS ML22Q533 4-Channel Speech Synthesis LSI

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ROHM Semiconductor LAPIS ML22Q53x 4-Channel Speech Synthesis LSIs (Large Scale Integration) are designed to easily add high-quality voice functionality to virtually any application. The ML22Q53x LSIs integrate internal flash memory and feature SPI and I2C interfaces. The ML22Q53x LSIs also feature HQ-ADPCM compression technology, a 16-bit Digital-to-Analog Converter (DAC), and a low-pass filter for achieving high sound quality, along with an integrated 1.0W monaural speaker amp that enables direct speaker drive.

The ROHM Semiconductor ML22Q6x Speech Synthesis LSIs are offered in a TQFP32 package, with a wide -40°C to +105°C operating temperature range.

  • 2.7V to 5.5V power supply voltage
  • 4.096MHz to 4.000MHz master clock frequency
  • 4096 maximum phrase count
  • I2C and SPI interfaces
  • AB-class amplifier
  • 1.0W amplifier output
  • 4 mixing channels
  • Rewritable flash from MCU
  • Serial audio interface
  • Failure detection
  • 7mm x 7mm TQFP48 package, 0.5mm pitch

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