PIC16F18146-I/SO Microchip Integrated Circuit (Small Outline Packages) In Stock
The PIC16F18146-I/SO is an 8-bit PIC16 microcontroller with 28 KB Flash, 512 B RAM, 128 B EEPROM, 12-bit differential ADCC, dual 16-bit PWM, and DAC, operating up to 32 MHz from a 1.8 V minimum supply, in a 20-pin SOIC package for low-power embedded control.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 20
- Lifecycle
- ACTIVE
- Datasheet
- PIC16F18146-I/SO Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 28 KB Flash / 512 B RAM / 128 B EEPROM program and data storage
- 12-bit differential ADCC for precision analog measurements
- Dual 16-bit PWM outputs for motor and LED control
- Integrated DAC channel for analog signal generation
- Operates from 1.8 V minimum supply at up to 16 MHz
- 32 MHz maximum clock in a 20-pin SOIC package
Applications
The PIC16F18146-I/SO is suited for low-power sensor acquisition and control applications such as HVAC controllers, LED dimmers, and small motor drives where its 12-bit differential ADCC and dual 16-bit PWM simplify the signal chain. Its ability to run from a 1.8 V supply makes it an excellent choice for battery-operated IoT edge nodes and wearable devices requiring extended battery life.
Specifications
| Manufacturer Package Code | SOIC-20 |
| Factory Lead Time | 7Weeks |
| YTEOL | 23 |
| Has ADC | YES |
| Additional Feature | ALSO OPERATES 1.8V MIN SUPPLY @ 16 MHZ |
| Bit Size | 8 |
| Boundary Scan | NO |
| CPU Family | PIC16 |
| Clock Frequency-Max | 32MHz |
| DAC Channels | YES |
| DMA Channels | NO |
| Format | FIXED POINT |
| Integrated Cache | NO |
| JESD-30 Code | R-PDSO-G20 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of External Interrupts | 1 |
| Number of I/O Lines | 18 |
| Number of Serial I/Os | 2 |
| Number of Timers | 6 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP20,.4 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| RAM (bytes) | 2048 |
| ROM (words) | 28672 |
| ROM Programmability | FLASH |
| Speed | 32MHz |
| Supply Current-Max | 5.5mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 2.5V |
| 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 |
| 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 | Taiwan |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for PIC16F18146-I/SO:
28KB, 2KB RAM, 256B EEPROM, 10b ADC, Comparator, 5b DAC, 10b PWM, CCP, CLC, NCO,
RISC Microcontroller, 8-Bit, FLASH, PIC16 CPU, 32MHz, CMOS, PDSO20
RISC Microcontroller, 8-Bit, FLASH, PIC16 CPU, 32MHz, CMOS, PDSO20
RISC Microcontroller, 8-Bit, FLASH, PIC16 CPU, 32MHz, CMOS, PDSO20
RISC Microcontroller, 8-Bit, FLASH, PIC16 CPU, 32MHz, CMOS, PDSO20
Frequently Asked Questions
How does the 12-bit differential ADCC in the PIC16F18146-I/SO improve analog measurement accuracy compared to a standard 10-bit ADC?
The 12-bit differential ADCC provides 4,096 quantization levels versus 1,024 for a 10-bit ADC, reducing the LSB step size to approximately 0.8 mV on a 3.3 V reference. The differential input configuration also rejects common-mode noise on sensor leads, making it significantly more accurate for thermocouple, bridge sensor, or current-sense measurements in noisy industrial environments.
What is the minimum supply voltage for the PIC16F18146-I/SO and at what clock speed can it operate under that condition?
The PIC16F18146-I/SO operates from a 1.8 V minimum supply at up to 16 MHz, enabling direct connection to single-cell LiPo or two-cell alkaline batteries without a boost regulator. At the full 3.3 V or 5 V supply the device can run at up to 32 MHz, allowing designers to trade off speed for power consumption as needed for duty-cycled sensor applications.
For a compact motor-control or LED-dimming design, what PWM resources does the PIC16F18146-I/SO provide in its 20-pin SOIC package?
The PIC16F18146-I/SO includes dual 16-bit PWM channels that support independent frequency and duty-cycle control with sub-microsecond resolution, enabling smooth brushed DC motor speed control or precise LED brightness gradients. The 20-pin SOIC footprint leaves adequate I/O pins for feedback signals, UART communication, and additional digital I/O within a single compact 20-pin package.
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