AVR128DA28-I/SO Microchip Integrated Circuit (Small Outline Packages) In Stock
AVR128DA28-I/SO is an 8-bit AVR microcontroller with 128 KB Flash memory and 24 MHz clock speed, featuring 28-pin SOIC package, integrated DAC and ADC, suitable for embedded control and IoT applications. From $1.50, in stock, worldwide shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 28
- Lifecycle
- ACTIVE
- Datasheet
- AVR128DA28-I/SO Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.2400(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 8-bit AVR CPU core running up to 24 MHz
- 128 KB Flash program memory
- Integrated 12-bit DAC and multi-channel ADC
- 28-pin SOIC package for easy PCB integration
- Low-power sleep modes for battery-powered designs
- Hardware CRC and cryptographic accelerators
Applications
The AVR128DA28-I/SO is well suited for embedded control systems, industrial sensing, and IoT edge nodes requiring a compact 8-bit microcontroller. Its integrated DAC and ADC channels make it ideal for mixed-signal applications such as sensor interfaces and motor control. The SOIC-28 package enables straightforward PCB layout in space-constrained designs.
Specifications
| Manufacturer Package Code | SOIC-28 |
| Factory Lead Time | 5Weeks |
| Date Of Intro | 2020-03-23 |
| YTEOL | 18 |
| Has ADC | YES |
| Bit Size | 8 |
| Boundary Scan | NO |
| CPU Family | AVR |
| Clock Frequency-Max | 24MHz |
| DAC Channels | YES |
| DMA Channels | NO |
| Format | FIXED POINT |
| Integrated Cache | NO |
| JESD-30 Code | R-PDSO-G28 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of External Interrupts | 23 |
| Number of I/O Lines | 23 |
| Number of Serial I/Os | 3 |
| Number of Timers | 5 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP28,.4 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| RAM (bytes) | 16384 |
| RAM (words) | 16384 |
| ROM (words) | 131072 |
| ROM Programmability | FLASH |
| Speed | 24MHz |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 3V |
| Supply Voltage-Nom | 3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the maximum clock frequency supported by the AVR128DA28-I/SO, and how does it affect performance?
The AVR128DA28-I/SO operates at up to 24 MHz, allowing it to execute up to 24 million instructions per second. This speed is sufficient for real-time control loops, sensor data processing, and communication protocol handling in embedded applications with a 3.3 V or 5 V supply.
Which mixed-signal designs benefit most from the AVR128DA28-I/SO's on-chip analog peripherals?
Designs requiring simultaneous analog input and output benefit most, since the chip integrates a 12-bit ADC with multiple channels and a 12-bit DAC output. Applications such as PID controllers, waveform generators, and 4–20 mA industrial sensor interfaces can leverage these peripherals without external converters.
How does the AVR128DA28-I/SO's 128 KB Flash compare to lower-density AVR DA-series parts for firmware-heavy projects?
With 128 KB Flash, the AVR128DA28-I/SO provides twice the program storage of the AVR64DA28, accommodating larger firmware images, lookup tables, and bootloader code. This makes it preferable for projects with complex communication stacks or multiple protocol drivers that exceed 64 KB.
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| Qty. | Unit Price | Ext. Price |
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