AVR128DB48-I/PT Microchip Integrated Circuit (Quad Flat Packages) In Stock
AVR128DB48-I/PT is an 8-bit AVR microcontroller with 128 KB Flash, a 24 MHz clock, and a rich analog front-end including a 12-bit ADC, DAC, op-amp, comparator, and ZCD in a 48-pin TQFP package. It features multi-voltage I/O (MVIO) for direct interfacing to 1.8 V and 3.3 V peripherals without level shifters. Ideal for industrial sensing, motor control, and mixed-signal embedded designs operating up to 85°C.
- Manufacturer
- Microchip
- Package
- Quad Flat Packages
- Pin Count
- 48
- Lifecycle
- ACTIVE
- Datasheet
- AVR128DB48-I/PT Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.5700(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of AVR128DB48-I/PT?
- 12-bit ADC, on-chip op-amp, DAC, comparator, and ZCD for complete mixed-signal sensor conditioning without external ICs
- Multi-Voltage I/O (MVIO) bank supporting direct 1.8 V to 5.5 V mixed-rail interfacing without level shifters
- 128 KB Flash at 24 MHz in a 48-pin TQFP enabling rich firmware in a compact through-hole-friendly footprint
- Extended industrial temperature range up to 85°C with UART, SPI, and TWI (I2C) for robust embedded communication
What is AVR128DB48-I/PT used for?
The AVR128DB48-I/PT is optimized for industrial sensing and control applications that require both analog signal conditioning and flexible digital communication from a single 8-bit MCU. Its integrated op-amp and 12-bit ADC make it well-suited for current/voltage sensing, motor feedback loops, and HVAC sensor nodes. The MVIO feature allows the device to bridge different voltage-domain subsystems in home appliances, industrial PLCs, and building automation controllers.
What are the specifications of AVR128DB48-I/PT?
| Manufacturer Package Code | TQFP-48 |
| Factory Lead Time | 6Weeks |
| 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-PQFP-G48 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of External Interrupts | 41 |
| Number of I/O Lines | 41 |
| Number of Serial I/Os | 5 |
| Number of Timers | 7 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TQFP48,.35SQ |
| Package Shape | SQUARE |
| Package Style | FLATPACK, THIN PROFILE, FINE PITCH |
| 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 | 0.5mm |
| Terminal Position | QUAD |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| ## AVR128DB48-I/PT Alternates Showing results | Image |
| Package | Quad Flat Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| HTS Code | 8542.31.00.15 |
| Country of Origin | Thailand |
Where can I find the AVR128DB48-I/PT datasheet?
AVR128DB48-I/PT Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for AVR128DB48-I/PT?
Compatible alternatives and drop-in replacements for AVR128DB48-I/PT:
RISC Microcontroller, 8-Bit, FLASH, AVR CPU, 24MHz, CMOS, PQFP48
suggested
suggested
suggested
suggested
RISC Microcontroller, 8-Bit, FLASH, AVR CPU, 24MHz, CMOS, PQFP48
128KB, 16KB RAM, 48p, 24MHz, 12b ADC, 3xComp, PTC, 3xZCD, DAC, UART, SPI, TWI
128KB, 16KB RAM, 48p, 24MHz, 12b ADC, 3xComp, PTC, 3xZCD, DAC, UART, SPI, TWI
RISC Microcontroller, 8-Bit, FLASH, AVR CPU, 24MHz, CMOS, PQFP48
128KB, 8KB RAM, 48p, 24MHz, 3xOPAMP, MVIO, 12b ADC, 3xZCD, DAC, UART, 2xSPI, TWI
128KB, 16KB RAM, 48p, 24MHz, 12b ADC, 3xComp, PTC, 3xZCD, DAC, UART, SPI, TWI
Frequently Asked Questions
What makes the AVR128DB48-I/PT's MVIO feature valuable in mixed-voltage embedded designs?
The AVR128DB48-I/PT's Multi-Voltage I/O (MVIO) bank allows a dedicated I/O port to operate at a different voltage than the core supply, typically enabling direct connection to 1.8 V or 3.3 V peripherals while the MCU core runs at 5 V. This eliminates the need for external level-shifter ICs in systems that mix 3.3 V wireless modules with 5 V sensor interfaces.
How does the integrated op-amp on the AVR128DB48-I/PT reduce BOM complexity in sensor conditioning circuits?
The AVR128DB48-I/PT integrates a rail-to-rail op-amp that can amplify low-level sensor signals before they reach the internal 12-bit ADC, removing the need for a standalone op-amp IC. This is particularly useful in current-sense or bridge-sensor designs where gain up to several hundred V/V is needed, saving at least one external component and reducing PCB area.
For a motor control application running at 24 MHz, what analog peripherals does the AVR128DB48-I/PT provide?
At its 24 MHz maximum clock, the AVR128DB48-I/PT provides a 12-bit ADC for current and position feedback, a DAC output for reference generation, a zero-crossing detector (ZCD) for AC phase detection, and an on-chip comparator for overcurrent protection — all integrated alongside UART, SPI, and TWI communication ports in 48 pins.
What is the Flash capacity and temperature range of the AVR128DB48-I/PT, and which industrial certifications does this enable?
The AVR128DB48-I/PT provides 128 KB of Flash program memory and is rated to operate from -40°C to 85°C, covering the standard industrial temperature range required for factory automation, HVAC, and building-control equipment. This temperature specification allows the device to be designed into enclosures where ambient temperatures regularly exceed the 70°C commercial grade limit.
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