PIC18F46Q71-I/P Microchip Integrated Circuit (Dual-In-Line Packages) In Stock
The PIC18F46Q71-I/P is an 8-bit PIC18 microcontroller from Microchip running at up to 64 MHz with 64 KB Flash, 4 KB RAM, dual op-amps, a 12-bit differential ADC with computation, DMA channels, and DAC outputs in a 40-pin DIP package for embedded sensing and control.
- Manufacturer
- Microchip
- Package
- Dual-In-Line Packages
- Pin Count
- 40
- Lifecycle
- ACTIVE
- Datasheet
- PIC18F46Q71-I/P Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.7600(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 PIC18F46Q71-I/P?
- 12-bit differential ADC with hardware computation (ADCC) for signal averaging and threshold detection without CPU overhead
- Dual integrated operational amplifiers enabling on-chip analog signal conditioning before ADC sampling
- 64 KB Flash and 4 KB RAM supporting complex 8-bit firmware with data buffers and state machines
- Up to 64 MHz core clock frequency delivering responsive real-time control for PIC18-class applications
- DAC and DMA channels allowing autonomous waveform generation and data movement alongside main program execution
What is PIC18F46Q71-I/P used for?
The PIC18F46Q71-I/P is well suited for smart sensor nodes, industrial I/O modules, and home automation controllers that require analog measurement with hardware-computed averaging directly on an 8-bit MCU. The dual integrated op-amps allow capacitive touch sensing, current loop conditioning, and low-noise amplification without external analog ICs, reducing BOM size in space-constrained designs. Its 40-pin DIP package makes it accessible for rapid prototyping on breadboards and for legacy through-hole PCB designs in energy metering, HVAC, and motor starter control applications.
What are the specifications of PIC18F46Q71-I/P?
| Manufacturer Package Code | PDIP-40 |
| Factory Lead Time | 5Weeks |
| YTEOL | 24 |
| Has ADC | YES |
| 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-PDIP-T40 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of DMA Channels | 4 |
| Number of External Interrupts | 3 |
| Number of I/O Lines | 37 |
| Number of Serial I/Os | 4 |
| Number of Timers | 9 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP40,.6 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| RAM (bytes) | 4096 |
| ROM (words) | 65536 |
| ROM Programmability | FLASH |
| Speed | 64MHz |
| Supply Current-Max | 13.8mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 1.8V |
| Supply Voltage-Nom | 3V |
| Surface Mount | NO |
| Technology | CMOS |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Dual-In-Line 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 |
Where can I find the PIC18F46Q71-I/P datasheet?
PIC18F46Q71-I/P Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for PIC18F46Q71-I/P?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does the 12-bit differential ADCC on the PIC18F46Q71-I/P reduce firmware complexity in sensor measurement designs?
The 12-bit differential ADC with computation (ADCC) module in the PIC18F46Q71-I/P performs hardware oversampling, averaging, and threshold comparison autonomously at up to 64 MHz core clock, delivering filtered results to the CPU without interrupt-driven accumulation routines, reducing firmware complexity in precision temperature and pressure sensor applications.
What benefit do the dual on-chip op-amps provide in PIC18F46Q71-I/P analog front-end designs?
The two integrated operational amplifiers in the PIC18F46Q71-I/P amplify and filter sensor signals before they reach the 12-bit ADCC, allowing designers to eliminate external op-amp ICs and their passive networks, cutting BOM cost and shrinking PCB area by removing up to 10 passive components per channel in current-loop and bridge sensor interfaces.
Which low-power embedded applications benefit from the DMA and DAC combination in the PIC18F46Q71-I/P?
Applications such as ultrasonic distance sensors, audio tone generators, and waveform-driven motor soft-starters leverage the DMA and DAC channels in the PIC18F46Q71-I/P to stream waveform data from the 4 KB RAM to the DAC output at 64 MHz clock rates while the CPU handles communication or user-interface tasks concurrently.
When should an engineer select the 40-pin DIP PIC18F46Q71-I/P over a surface-mount variant for a new design?
The 40-pin DIP package of the PIC18F46Q71-I/P is preferred during rapid prototyping on solderless breadboards, in university laboratory kits, and on legacy through-hole PCBs where 0.1-inch pitch through-hole footprints are already laid out, enabling access to all 64 KB Flash and 4 KB RAM features without SMT rework equipment.
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More from Microchip
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $2.3400 | $2.34 |
| 30+ | $2.2100 | $66.30 |
| 100+ | $2.0200 | $202.00 |
| 250+ | $2.0100 | $502.50 |
| 1000+ | $1.8500 | $1850.00 |
| 5000+ | $1.7600 | $8800.00 |
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