PIC18F26K83-I/SO Microchip Integrated Circuit (Small Outline Packages) In Stock
Microchip PIC18F26K83-I/SO is an 8-bit PIC18 microcontroller with 64 KB Flash, 2 KB RAM, and a 12-bit ADC2 in a 28-pin SOIC package. It runs at up to 64 MHz and operates from as low as 2.3 V at 16 MHz for low-power applications. Suitable for industrial sensors, home automation, and embedded control requiring analog signal acquisition.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 28
- Lifecycle
- ACTIVE
- Datasheet
- PIC18F26K83-I/SO Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.8800(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
- 64 KB Flash program memory with 2 KB RAM for embedded firmware storage
- 12-bit ADC2 for high-resolution analog-to-digital conversion in sensor applications
- 64 MHz maximum clock frequency for fast processing in 8-bit control tasks
- Low-voltage operation: 2.3 V minimum at 16 MHz for battery-powered designs
- 28-pin SOIC package compatible with standard through-hole and SMD footprints
Applications
The PIC18F26K83-I/SO is well-suited for industrial sensor interfaces and data acquisition systems that require 12-bit analog resolution across multiple channels at 3.3 V or 5 V supply rails. Home automation controllers and HVAC systems use it to monitor temperature, humidity, and pressure sensors through its ADC2 peripheral while running PID algorithms at 64 MHz. Battery-operated IoT edge nodes benefit from its 2.3 V minimum operating voltage, extending runtime with standard AA or coin cell power sources.
Specifications
| Manufacturer Package Code | SOIC-28 |
| Factory Lead Time | 5Weeks |
| Date Of Intro | 2017-08-14 |
| YTEOL | 19 |
| Has ADC | YES |
| Additional Feature | OPERATES AT 2.3 V MINIMUM SUPPLY AT 16 MHZ |
| Bit Size | 8 |
| Boundary Scan | NO |
| CPU Family | PIC18 |
| Clock Frequency-Max | 64MHz |
| DAC Channels | YES |
| DMA Channels | YES |
| Format | FIXED POINT |
| Integrated Cache | NO |
| JESD-30 Code | R-PDSO-G28 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of DMA Channels | 2 |
| Number of External Interrupts | 3 |
| Number of I/O Lines | 25 |
| Number of Serial I/Os | 2 |
| 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 | SOP28,.4 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| RAM (bytes) | 4096 |
| ROM (words) | 65536 |
| ROM Programmability | FLASH |
| Speed | 64MHz |
| Supply Current-Max | 20mA |
| 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 |
| ## PIC18F26K83-I/SO Alternates Showing results | Image |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | 3A991.a.2 |
| HTS Code | 8542.31.00.15 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for PIC18F26K83-I/SO:
Microchip Technology Inc ECAN, 56KB Flash, 4KB RAM, 1K EE, 12-bit ADC2, Vector Interrupts, DMA, Comp,
suggested
ECAN, 28KB Flash, 2KB RAM, 1K EE, 12-bit ADC2, Vector Interrupts, DMA, Comp,
64KB Flash, 4KB RAM, 1KB EE, 10b ADC2, DAC, COMP, PWM, CWG, HLT, WWDT, CRC/Scan,
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 64MHz, CMOS, PDSO28
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 64MHz, CMOS, PDSO28
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 64MHz, CMOS, PDSO28
Frequently Asked Questions
How does the 12-bit ADC2 in PIC18F26K83-I/SO improve sensor measurement accuracy compared to standard 10-bit ADCs?
The 12-bit ADC2 in PIC18F26K83-I/SO provides 4096 quantization levels versus 1024 for a 10-bit ADC, improving voltage resolution to about 0.8 mV per LSB at a 3.3 V reference. This 4× finer resolution allows accurate detection of small signal changes from thermistors, strain gauges, and pressure sensors, enabling measurement accuracy within ±0.05% of full scale in industrial 0 V to 5 V analog signal chains.
At what clock frequency can PIC18F26K83-I/SO operate from a 2.3 V supply, and how does this benefit battery designs?
The PIC18F26K83-I/SO operates at up to 16 MHz from a 2.3 V minimum supply, allowing 8-bit control tasks to run on 2 AA alkaline batteries with a nominal 3 V starting voltage. This enables remote sensor nodes to remain active for 12 months or more on a 2000 mAh battery capacity when duty-cycled at 1 MHz average clock, extending field deployment intervals significantly.
What memory resources does PIC18F26K83-I/SO provide, and how do they fit typical embedded firmware requirements?
The PIC18F26K83-I/SO provides 64 KB of Flash program memory and 2 KB of SRAM data memory. 64 KB is sufficient for moderate-complexity firmware including a FreeRTOS kernel, sensor drivers, and a Modbus RTU stack compiled for PIC18 architecture. The 2 KB RAM accommodates small RTOS task stacks and sensor buffers for 16-bit or 32-bit data arrays of up to 512 samples.
Is the 28-pin SOIC package of PIC18F26K83-I/SO easy to hand-solder or prototype, and what is its pin pitch?
The 28-pin SOIC package of PIC18F26K83-I/SO has a 1.27 mm pin pitch, which is the standard wide-body SOIC spacing suitable for hand soldering with a 0.4 mm to 0.8 mm tip. Its package body measures approximately 17.9 mm × 7.5 mm, large enough for manual rework and repair, making it popular for prototype boards, educational kits, and low-volume production runs.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
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