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
Videos
Application Circuit
Inilathala: 2020-08-28
| Na-update: 2022-03-11
