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HOLTEK New BH66F5250 & BH67F5250/60 24-bit A/D MCUs

Published: Sep 13,2018

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Holtek announced the release of three new 24-bit Delta Sigma A/D Flash MCUs, the BH66F5250, BH67F5250 and BH67F5260. The devices have the advantage of excellent anti-RF interference, making them very suitable for use in 24-bit A/D measurement applications that operate in poor electrical environments.

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The devices include a fully integrated LDO whose output can be used as a power supply for external sensors, such as those for weight, pressure and temperature measurements. These features make these new devices good choices for product applications such as electronic scales, blood pressure meters, blood glucose meters, pressure switches and other measuring products.

The devices include a fully integrated LED driver, LCD driver, Operational Amplifier, LDO, PGA and a 24-bit Delta Sigma A/D Converter. With this high level of functional integration, the required number of external components is greatly reduced which will result in reduced manufacturing costs and improved productivity.

The devices include 8K/16K words of Flash Program Memory, 512/1024 bytes of Data Memory, 128/256 bytes of True EEPROM Memory, a Multiplication Division Unit, an In-Application Programing function and Timer Modules. The devices also provide multiple external serial interfaces, including UART, SPI and I2C interface types.

With regard to packaging, the BH66F5250 is supplied in a 48-pin LQFP package type, the BH67F5250 is supplied in a 64-pin LQFP package type and the BH67F5260 is supplied in 64-pin and 80-pin LQFP package types.