ROHM Semiconductor LAPIS ML22660 4-Channel Speech Synthesis LSI
ROHM Semiconductor LAPIS ML22660 4-Channel Mixing Speech Synthesis LSI (Large Scale Integration) is designed to easily add high-quality voice functionality to virtually any application. The ML22660 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 ROHM Semiconductor ML22660 also integrates a serial flash memory interface, which supports up to 128MB of serial flash memory for longer playback.
The ROHM Semiconductor ML22660 Speech Synthesis LSI is offered in a TQFP32 package, with a wide -40°C to ＋85°C operating temperature range.
Features
- 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 interface
- AB/D-class amplifier
- 1.0W amplifier output
- 4 mixing channels
- Rewritable flash from MCU
- Serial audio interface
- Failure detection
- 7mm x 7mm TQFP32 package, 0.8mm pitch
Applications
- Home electronics
- Consumer electronics
- Industrial electronics
- Games and toy
Application Circuit
Development Tools
ROHM Semiconductor LAPIS Sound Device Control Kit 3 (SDCK3)
Development platform for LAPIS Speech Synthesis LSIs.
ROHM Semiconductor LAPIS ML22660 Reference Board
Works with the Sound Device Control Kit 3 (SDCK3) to demonstrate the ML22660 Speech Synthesis LSI.
Additional Resources
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