AVR64DA32-I/RXB Microchip Integrated Circuit (Quad Flat No-Lead) In Stock
The AVR64DA32-I/RXB is an 8-bit AVR microcontroller running at up to 24 MHz with 64 KB Flash, integrated ADC, DAC channels, and 32-pin VQFN packaging for embedded control. It belongs to Microchip's AVR DA family featuring analog peripherals and a modern core for low-power IoT and industrial applications. Available in a compact 5×5 mm VQFN-32 package for surface-mount assembly.
- Manufacturer
- Microchip
- Package
- Quad Flat No-Lead
- Pin Count
- 32
- Lifecycle
- ACTIVE
- Datasheet
- AVR64DA32-I/RXB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.2000(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 for efficient embedded control
- 64 KB Flash program memory for substantial application firmware
- Integrated 12-bit ADC and DAC channels for on-chip analog signal processing
- 32-pin VQFN-32 (5×5 mm) package minimizing PCB footprint
- Wide operating voltage range supporting 1.8V to 5.5V systems
- Event System enabling autonomous peripheral-to-peripheral communication without CPU intervention
Applications
The AVR64DA32-I/RXB is suited for embedded control applications in home automation, smart appliances, and industrial sensors where an 8-bit core running at 24 MHz balances performance and power consumption. Its integrated DAC and ADC channels make it ideal for closed-loop control systems, such as temperature regulation and motor speed feedback loops, without external analog components. The compact 32-pin VQFN package fits space-constrained designs in wearable devices, lighting controllers, and battery-powered IoT nodes.
Specifications
| Manufacturer Package Code | VQFN-32 |
| Factory Lead Time | 7Weeks |
| YTEOL | 19 |
| 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-N32 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of External Interrupts | 27 |
| Number of I/O Lines | 27 |
| Number of Serial I/Os | 1 |
| 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 | LCC32,.2SQ,20 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| RAM (bytes) | 8192 |
| ROM (words) | 65536 |
| ROM Programmability | FLASH |
| Speed | 24MHz |
| Supply Current-Max | 5.3mA |
| 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 | 0.5mm |
| 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 AVR64DA32-I/RXB:
Microchip Technology Inc 64KB, 8KB RAM, 32p, 24MHz, 12b ADC, 3xComp, PTC, 3xZCD, DAC, 6xUART, 2xSPI, TWI
Frequently Asked Questions
How much Flash and RAM does the AVR64DA32-I/RXB provide, and is that sufficient for typical IoT firmware stacks?
The AVR64DA32-I/RXB provides 64 KB of Flash program memory and on-chip SRAM (typically 8 KB in the DA32 variant), which is sufficient for a FreeRTOS kernel, a lightweight MQTT client, and sensor drivers. Most 8-bit IoT applications with a simple BLE or sub-GHz radio driver run comfortably within 48 KB of Flash, leaving 16 KB for bootloader and over-the-air update routines at a 24 MHz clock rate.
Which analog features distinguish the AVR64DA32 from earlier AVR devices for closed-loop sensor applications?
The AVR DA family integrates a 12-bit ADC with multiple input channels, a 10-bit DAC output, and an internal voltage reference, replacing external ADC and DAC chips common in legacy AVR designs. The on-chip Event System also allows the ADC to be triggered by a timer compare match without CPU involvement, enabling 24 MHz sampling bursts during sleep modes and reducing average current to sub-1 mA in typical sensor polling applications.
What PCB assembly considerations apply to the VQFN-32 package of the AVR64DA32-I/RXB?
The VQFN-32 measures 5 mm × 5 mm with a 0.5 mm pad pitch and an exposed thermal die-attach pad on the bottom. Reflow soldering with a standard lead-free solder paste profile (peak 260°C) is required; hand soldering is impractical for the central pad. The MSL rating and recommended stencil aperture are defined in the Microchip package specification, and tombstoning risk is low due to the symmetric 32-pin layout with 8 pins per side.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.6500 | $1.65 |
| 5+ | $1.5800 | $7.90 |
| 25+ | $1.4800 | $37.00 |
| 100+ | $1.3400 | $134.00 |
| 1000+ | $1.2600 | $1260.00 |
| 5000+ | $1.2000 | $6000.00 |
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