ROHM Semiconductor LAPIS ML22530 4-Channel Speech Synthesis LSI

ROHM Semiconductor LAPIS ML22530 4-Channel Mixing Speech Synthesis LSI (Large Scale Integration) is an AEC-Q100 qualified audio IC designed to easily add high-quality voice functionality to virtually any application. The ML22530 features 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 ML22530 also integrates a serial flash memory interface, which supports up to 128MB serial flash memory for longer playback.

The ROHM Semiconductor ML22530 Speech Synthesis LSI is offered in a TQFP48 package, with an automotive-grade -40°C to +105°C operating temperature range.

Features

  • AEC-Q100 qualified
  • 2.7V to 5.5V power supply voltage
  • 4.096MHz to 4.000MHz master clock frequency
  • 128MB maximum external ROM capacity
  • 4096 maximum phrase count
  • 109 minute maximum playback time
  • 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

Applications

  • Home electronics
  • Automotive electronics
  • Consumer and industrial electronics
  • Games and toys

Application Examples

ROHM Semiconductor LAPIS ML22530 4-Channel Speech Synthesis LSI

Videos

Application Circuit

Application Circuit Diagram - ROHM Semiconductor LAPIS ML22530 4-Channel Speech Synthesis LSI
Inilathala: 2020-08-28 | Na-update: 2022-03-11