ATTINY826-SU

Overview

The ATTINY826-SU is an 8-bit microcontroller from the tinyAVR® 2 family, utilizing the AVR CPU with a hardware multiplier. It features 8 KB of in-system programmable Flash memory, 1 KB of SRAM, and 128 B of EEPROM. The device supports a maximum clock frequency of 20 MHz and operates within a supply voltage range of 1.8 V to 5.5 V. It includes a 12-bit differential ADC with up to 15 input channels, two USARTs, SPI, TWI, and an Event System for peripheral signaling. The component is housed in a 20-pin SOIC package and supports industrial temperature ranges.

Feature Summary

• Features a high-performance low-power AVR CPU running at up to 20 MHz with single-cycle I/O access and a two-cycle hardware multiplier.
• Includes advanced analog peripherals such as a 12-bit differential ADC with Programmable Gain Amplifier (PGA) and multiple internal voltage references.
• Supports flexible inter-peripheral communication through an Event System and Configurable Custom Logic (CCL) with four Look-Up Tables.
• Provides versatile connectivity options including dual USARTs, host/client SPI, and host/client TWI interfaces.

Applications

• Industrial control systems requiring robust peripheral integration
• Battery-powered devices benefiting from low-power architecture and sleep modes
• Sensor interface applications utilizing the high-resolution differential ADC
• Communication nodes employing USART or TWI protocols

Procurement Notes

Verify the specific ordering suffix 'SU' corresponds to the 20-pin SOIC package and standard industrial temperature range (-40°C to +85°C). Confirm that the required quantity matches the tube packaging typically associated with this suffix variant. Ensure compatibility with existing design constraints regarding pin count and physical footprint before finalizing procurement orders.

Selection Notes

Select this component when vertical migration within the tinyAVR® 2 family is desired without code modification. Choose this part if the application requires 8 KB of Flash and 1 KB of SRAM with a 20-pin form factor. Consider this device for designs needing a 12-bit ADC with PGA and extensive digital peripherals like CCL and Event Systems compared to smaller pin-count variants.

Part Context

This microcontroller belongs to the tinyAVR® 2 family, which shares architectural similarities with other members like ATtiny824 and ATtiny827. These devices offer horizontal and vertical migration capabilities, allowing designers to scale pin counts and memory sizes while maintaining software compatibility. The family emphasizes low power consumption alongside high performance through its optimized AVR core and peripheral set.

Replacement Considerations

ATtiny824-MU

FAQ

What is the maximum operating frequency of the ATTINY826-SU?

The device can operate at a maximum frequency of 20 MHz.

Does the ATTINY826-SU support differential ADC inputs?

Yes, it features a 12-bit differential ADC with a Programmable Gain Amplifier (PGA) and up to 15 input channels.