LAPIS ML22Q533 4-Channel Speech Synthesis LSI
The LAPIS ML22Q53x 4-Channel Speech Synthesis LSIs (Large Scale Integration) are designed to easily add high-quality voice functionality.
Product Overview
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.
Features & Specs
- 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
Documentation
Customer Reviews

Stock and Customer Discounts
Available Discounts
- $14.20 | 25+ units
- $13.46 | 100+ units