SparkFun 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 ML22660 also integrates a serial flash memory interface, which supports up to 128MB 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

Documents:

• Datasheet