AVR128DA28-E/SP Microchip Integrated Circuit (Dual-In-Line Packages) In Stock
The AVR128DA28-E/SP is an 8-bit AVR microcontroller from Microchip with 128 KB Flash, running at up to 24 MHz and featuring integrated ADC and DAC channels. Housed in a 28-pin SPDIP package, it offers a modern AVR core with rich analog and digital peripherals for industrial and consumer embedded applications.
- Manufacturer
- Microchip
- Package
- Dual-In-Line Packages
- Pin Count
- 28
- Lifecycle
- ACTIVE
- Datasheet
- AVR128DA28-E/SP Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.4000(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 8-bit AVR core up to 24 MHz with 128 KB Flash memory
- Integrated ADC and DAC channels for analog signal processing
- 28-pin SPDIP package enabling through-hole prototyping and DIP socket use
- Introduced in 2020 with an 18-year estimated end-of-life for long production runs
- Wide peripheral set including USART, SPI, TWI, and timers for connectivity
Applications
The AVR128DA28-E/SP targets industrial control panels, sensor data acquisition systems, and consumer appliances that require a reliable 8-bit MCU with substantial flash storage and analog capabilities. Its DIP-28 package is particularly useful for prototype development, educational boards, and legacy board designs that favor through-hole components.
Specifications
| Manufacturer Package Code | SPDIP-28 |
| Factory Lead Time | 6Weeks |
| 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-PDIP-T28 |
| 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 | DIP28,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| RAM (bytes) | 16384 |
| RAM (words) | 16384 |
| ROM (words) | 131072 |
| ROM Programmability | FLASH |
| Speed | 24MHz |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 1.8V |
| Supply Voltage-Nom | 3V |
| Surface Mount | NO |
| Technology | CMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Dual-In-Line 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
Compatible alternatives and drop-in replacements for AVR128DA28-E/SP:
Microchip Technology Inc 128KB, 16KB RAM, 28p, 24MHz, 12b ADC, 3xComp, PTC, 3xZCD, DAC, UART, SPI, TWI
Frequently Asked Questions
How does the AVR128DA28-E/SP compare to classic ATmega328P designs in terms of flash size and clock speed?
The AVR128DA28-E/SP offers 128 KB Flash and runs at up to 24 MHz, compared to 32 KB Flash and 20 MHz on the ATmega328P. This gives designers 4x more code space for complex firmware while maintaining familiarity with the AVR architecture and toolchain.
For a prototype sensor board, what assembly benefits does the SPDIP-28 package provide?
The SPDIP-28 through-hole package of the AVR128DA28-E/SP allows direct insertion into standard 28-pin DIP sockets, enabling rapid breadboard prototyping and easy in-circuit replacement without soldering. This is especially useful for laboratory and educational environments using standard 0.3-inch or 0.6-inch DIP patterns.
Can AVR128DA28-E/SP's integrated DAC replace an external DAC IC in a low-cost analog output design?
Yes. The integrated DAC channels on the AVR128DA28-E/SP can generate analog output voltages directly, eliminating the need for an external DAC in many low-resolution applications. This reduces BOM cost and PCB area, with the MCU handling digital control and analog output within a single 28-pin device.
What is the long-term availability outlook for AVR128DA28-E/SP in multi-year production programs?
The AVR128DA28-E/SP was introduced in 2020 with an estimated 18-year product lifecycle, making it suitable for designs with a long production horizon. With a factory lead time of 6 weeks, buyers should maintain adequate safety stock to support uninterrupted manufacturing through the product's lifetime.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $3.2200 | $3.22 |
| 30+ | $3.0000 | $90.00 |
| 100+ | $2.7500 | $275.00 |
| 1000+ | $2.5300 | $2530.00 |
| 5000+ | $2.4000 | $12000.00 |
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