Microchip Technology ATMEGA4809-AF
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.81 | $1.81 |
| 15+ | $1.75 | $26.25 |
| 25+ | $1.71 | $42.75 |
| 50+ | $1.62 | $81.00 |
| 100+ | $1.43 | $143.00 |
| N+ | $0.29 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | megaAVR® 0, Functional Safety (FuSa) |
| Packaging | Tray | |
| Core Processor | AVR |
| Core Size | 8-Bit |
| Speed | 20MHz |
| Connectivity | I2C, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | 41 |
| Program Memory Size | 48KB (24K x 16) |
| Program Memory Type | FLASH |
| EEPROM Size | 256 x 8 |
| RAM Size | 6K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.8V ~ 5.5V |
| Data Converters | A/D 16x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 48-TQFP (7x7) |
| Package / Case | 48-TQFP |
| ROHS |  |
The Microchip ATMEGA4809-AF is a high-performance 8-bit AVR microcontroller with 48KB flash and 6KB SRAM. It operates from 1.8V to 5.5V at speeds up to 20MHz, packaged in a 48-TQFP. It includes brown-out detection, POR, PWM, and WDT for reliable operation in industrial and automotive environments.
- Wide voltage range: 1.8V to 5.5V simplifies power supply design and supports battery or 5V logic.
- High temperature tolerance: -40°C to 125°C enables use in engine bays and industrial ovens.
- Large memory: 48KB flash and 6KB RAM accommodate complex firmware and data buffering.
- Proven AVR architecture: Easy migration from legacy ATmega designs with modern peripherals.
Industrial Automation Controllers
The 48KB flash and 20MHz AVR core handle complex logic sequences, while the -40°C to 125°C range suits harsh environments.
Automotive Body Electronics
Wide voltage tolerance (1.8-5.5V) and robust I/O make it suitable for window lift or mirror control modules.
Smart Home Gateways
With 6KB RAM, it can buffer multiple sensor protocols and manage local decision-making in home automation hubs.
Power Tool Safety Systems
High-temperature operation and PWM support enable reliable brushless motor control with overcurrent protection.
Medical Device Peripherals
The deterministic AVR core and low-voltage operation suit infusion pump or patient monitor interface boards.
Agricultural Sensor Arrays
Its wide temperature range and multiple PWM channels allow soil moisture sensing and irrigation valve control.
- Q: What is the core architecture of the ATMEGA4809-AF?
- A: It uses the AVR core running at up to 20 MHz.
- Q: What is the supply voltage range?
- A: It operates from 1.8V to 5.5V.
- Q: How much flash and RAM does it have?
- A: It has 48KB flash and 6KB SRAM.
- Q: What package is this variant?
- A: It is in a 48-TQFP package.
ATMEGA4809-AF.pdf
- Q: What is the core architecture of the ATMEGA4809-AF?
- A: It uses the AVR core running at up to 20 MHz.
- Q: What is the supply voltage range?
- A: It operates from 1.8V to 5.5V.
- Q: How much flash and RAM does it have?
- A: It has 48KB flash and 6KB SRAM.
- Q: What package is this variant?
- A: It is in a 48-TQFP package.
