AVR32DA32-I/RXB Microchip Integrated Circuit (Quad Flat No-Lead) In Stock
The AVR32DA32-I/RXB is an 8-bit AVR microcontroller with 32 KB Flash, 24 MHz clock, integrated ADC and DAC, operating from 1.8 V to 5.5 V, housed in a compact 32-pin VQFN package for space-constrained embedded applications.
- Manufacturer
- Microchip
- Package
- Quad Flat No-Lead
- Pin Count
- 32
- Lifecycle
- ACTIVE
- Datasheet
- AVR32DA32-I/RXB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.0800(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 core at up to 24 MHz delivering deterministic real-time control with low-latency interrupt response
- Integrated 12-bit ADC and DAC channels enabling precision analog signal acquisition without external converters
- Wide 1.8 V to 5.5 V supply range supporting 3.3 V and 5 V systems with no level-shifting overhead
- 32-pin VQFN package with 4 mm × 4 mm footprint for dense IoT sensor node and wearable designs
- Multiple UART, SPI, and TWI interfaces plus CCL logic for flexible peripheral chaining and glue-logic elimination
Applications
The AVR32DA32-I/RXB suits IoT edge nodes, environmental sensors, and home automation devices where low power consumption and a compact 32-pin VQFN footprint are essential. Its integrated 12-bit ADC and DAC make it a strong fit for precision data logging, temperature measurement, and analog signal conditioning without external components. Industrial control panels, motor driver auxiliaries, and wearable health monitors also leverage its 24 MHz core and wide 1.8 V to 5.5 V supply range to simplify power-domain design.
Specifications
| Manufacturer Package Code | VQFN-32 |
| Factory Lead Time | 7Weeks |
| Date Of Intro | 2020-06-12 |
| 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 | S-PQCC-N28 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of External Interrupts | 27 |
| Number of I/O Lines | 27 |
| 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 | LCC28,.2SQ,20 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| RAM (bytes) | 4096 |
| ROM (words) | 32768 |
| ROM Programmability | FLASH |
| Speed | 24MHz |
| Supply Current-Max | 5mA |
| 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 | NO LEAD |
| Terminal Pitch | 5mm |
| Terminal Position | QUAD |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Quad Flat No-Lead |
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 AVR32DA32-I/RXB:
Microchip Technology Inc 32KB, 4KB RAM, 32p, 24MHz, 12b ADC, 3xComp, PTC, 3xZCD, DAC, 6xUART, 2xSPI, TWI
Frequently Asked Questions
What analog capabilities does the AVR32DA32-I/RXB integrate, and how do they simplify a sensor interface circuit?
The AVR32DA32-I/RXB includes a 12-bit ADC with multiple input channels and a 10-bit DAC output, removing the need for external converter ICs in most sensor applications. This integration reduces BOM cost and PCB space while enabling direct connection to resistive sensors, thermistors, or analog output transducers operating on a 1.8 V to 5.5 V rail.
How does the AVR32DA32-I/RXB perform in battery-powered designs operating from a 3.3 V supply?
The device operates from 1.8 V to 5.5 V, making it fully compatible with LiPo or AA battery stacks regulated to 3.3 V. Its AVR core at up to 24 MHz can be clock-throttled in sleep states, and active current at 5 MHz is typically below 2 mA, extending battery life in periodic-sensing applications with duty cycles under 1%.
What is the Flash and RAM configuration of the AVR32DA32-I/RXB, and is 32 KB sufficient for a sensor firmware with BLE stack?
The AVR32DA32-I/RXB provides 32 KB of Flash program memory and 4 KB of SRAM. For simple BLE companion firmware using a software serial link to an external radio module, 32 KB is sufficient; however, a full software BLE stack typically requires 64 KB or more, so this device pairs best with a dedicated BLE module communicating over UART or SPI.
How small is the physical footprint of the AVR32DA32-I/RXB VQFN package for a compact PCB layout?
The 32-pin VQFN package measures 4 mm × 4 mm with a 0.5 mm pad pitch, providing an extremely compact footprint for wearable devices and space-constrained IoT modules. Its exposed thermal pad also improves heat dissipation at 24 MHz full-speed operation, keeping junction temperatures within the -40°C to 105°C industrial specification.
Related Guides
CL31A107MQHNNNE 1206 100 uF MLCC Selection Guide
How to choose CL31A107MQHNNNE and related 1206 MLCCs for low-voltage bulk capacitance and regulator stability.
Jul 2, 2026
CL05B103KB5NNNC 0402 10 nF X7R MLCC Selection Guide
How to choose CL05B103KB5NNNC and related 0402 MLCCs for bypassing, filtering, voltage derating, and sourcing.
Jul 2, 2026
ADAQ7768-1 Design Guide for Precision Vibration and Dynamic Signal Measurement
Design ADAQ7768-1 precision data acquisition channels for vibration and dynamic sensing with the right bandwidth, reference, clock, and layout choices.
Jun 30, 2026
AD5204BRZ10 Design Guide for SPI-Controlled Gain and Offset Calibration
Design AD5204BRZ10 digital potentiometer calibration loops with bounded trim span, safe wiper current, clean SPI routing, and reliable startup codes.
Jun 30, 2026
Why Buy from FindMyChip
About Microchip
Microchip is a leading electronic component manufacturer. FindMyChip sources Microchip ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.3900 | $1.39 |
| 10+ | $1.3000 | $13.00 |
| 25+ | $1.2100 | $30.25 |
| 100+ | $1.1200 | $112.00 |
| 200+ | $1.1100 | $222.00 |
| 400+ | $1.0800 | $432.00 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“FindMyChip sourced our entire STM32 BOM in 48 hours when our usual distributor had 16-week lead times.”