? HOLTEK New BH67F5235 24-bit A/D with Touch and LCD MCU
Taipei, Sunday, Jul 21, 2019, 05:51

Technology Front

HOLTEK New BH67F5235 24-bit A/D with Touch and LCD MCU

Published: Apr 29,2019

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Holtek’s new BH67F5235 includes a fully integrated touch key function, a 24-bit Delta Sigma A/D Converter and LCD driver, making the device suitable for use in various touch LCD electronic weighing scale related products.

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The device’s fully integrated touch key detection circuits ensure accurate touch key detection and greatly reduce the external component requirements, such as resistors and capacitors. This results in a more reduced product size, reduced manufacturing costs and improved productivity. The device also includes an internal 24-bit Delta Sigma A/D Converter and an internal LDO which can provide power to external sensors for measurement purposes. The true EEPROM can be used to store product automatic adjustments and calibration parameters, thus simplifying development and production.

With regards to other system resources, the device includes 3K×16 bits of Flash Program Memory, 192×8 bits of RAM and 32×16 bits of emulated EEPROM. As for packaging, the device is supplied in 24-pin SSOP, 28-pin SSOP and 32-pin QFN package types.

Compared with the previously released BH67F5245, the BH67F5235 provides more simplified and accurate functions which will provide added convenience and flexibility for customers who wish to develop different grade series products.

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