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New HT6xL25x0A Low Power A/D MCU

28/10/2022

The series of devices are Flash Memory A/D type 8-bit high performance RISC architecture microcontrollers, designed for applications that interface directly to analog signals. The new integrated high-accuracy and low-current oscillators, LIRC and LXT, when added to the four-stage flexible frequency convertor, MIRC, further reduces the 10/12-bit SAR type ADC conversion current. The combination of these features ensure that the devices are very suitable for use in a range of power sensitive products.

The devices have excellent current consumption characteristics. When using the 32768Hz, the standby current is as low as 0.5μA at 3V, while the operating current is as low as 8μA at 3V. Additionally, the ADC conversion current with the slow clock source can be as low as 60μA at 3V. These characteristics provide enhanced solutions for low current applications which use disposable batteries or solar cells as their power source or for consumer products which utilise a passive power supply such as NFC, RF energy etc.

Main Features

CPU features:

  • Up to 0.25μs instruction cycle with 16MHz system clock at VDD=5V
  • Power down and wake-up functions to reduce power consumption
  • Low current consumption
  • Under 0.5μA @ 3V current of SLEEP mode, Time Base on and LIRC on
  • Operating current consumption: 350μA @ fSYS=4MHz/3V, HXT on
  • Operating current consumption: 3.8μA @ fSYS=32.768kHz/3V

Peripheral Features:

  • Flash Program Memory: 4K×16~8K×16
  • Data Memory: 256×8~512×8
  • True EEPROM Memory: 256×8
Documents Tech question
Holtek HT6x L25x0 A

New HT6xL25x0A Low Power A/D MCU

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Holtek

Holtek Semiconductor is a leading professional IC design house in Taiwan having its major business activities focused in the area of microcontroller and peripheral component design.

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Documents

  • Holtek HT66 L2540 A 50 Av100 datasheet
Pexels thisisengineering 3913017

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