PIC18LF8525-I/PT Microchip Integrated Circuit (Quad Flat Packages) In Stock
The PIC18LF8525-I/PT is an 8-bit PIC18 microcontroller with 48 KB flash, 3840 bytes RAM, a 16-channel 10-bit ADC, and clock up to 40 MHz in an 80-pin TQFP package. It delivers low-voltage operation with rich peripheral integration for demanding embedded control tasks. Suitable for industrial data acquisition, motor control, and multi-sensor embedded systems.
- Manufacturer
- Microchip
- Package
- Quad Flat Packages
- Pin Count
- 80
- Lifecycle
- ACTIVE
- Datasheet
- PIC18LF8525-I/PT Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $9.3542(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
- 48 KB flash program memory with 3840 bytes RAM supporting complex 8-bit firmware including multi-task and communication stacks
- 16-channel 10-bit ADC enabling simultaneous multi-sensor data acquisition with 1024-level resolution per channel
- 40 MHz maximum clock frequency providing up to 10 MIPS instruction throughput for real-time control loops
- 80-pin TQFP package offering high I/O density with 16-bit address bus for memory-intensive embedded applications
Applications
The PIC18LF8525-I/PT is well suited to industrial data acquisition systems that must simultaneously sample 16 analog sensors at 10-bit resolution while running serial communication protocols. Its 48 KB flash accommodates firmware for multi-axis motor controllers, PID loops, and multi-protocol communication stacks within a single chip. Low-voltage embedded designs in portable medical monitors and smart energy meters also leverage its large RAM and ADC channel count for high-fidelity analog front-end processing.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | TQFP-80 |
| Factory Lead Time | 6Weeks |
| YTEOL | 3 |
| Has ADC | YES |
| Address Bus Width | 16 |
| Bit Size | 8 |
| Boundary Scan | NO |
| CPU Family | PIC18 |
| Clock Frequency-Max | 40MHz |
| DAC Channels | NO |
| DMA Channels | NO |
| External Data Bus Width | 16 |
| Format | FIXED POINT |
| Integrated Cache | NO |
| JESD-30 Code | S-PQFP-G80 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of External Interrupts | 4 |
| Number of I/O Lines | 70 |
| Number of Serial I/Os | 2 |
| Number of Timers | 5 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 16 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TQFP80,.55SQ |
| Package Shape | SQUARE |
| Package Style | FLATPACK, THIN PROFILE |
| Qualification Status | Not Qualified |
| RAM (bytes) | 3840 |
| RAM (words) | 3840 |
| ROM (words) | 24576 |
| ROM Programmability | FLASH |
| Screening Level | TS 16949 |
| Speed | 40MHz |
| Supply Current-Max | 51mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 4.2V |
| Supply Voltage-Nom | 5V |
| 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 |
| Package | Quad Flat Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | EAR99 |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How many ADC channels does PIC18LF8525-I/PT provide and what resolution do they offer?
The PIC18LF8525-I/PT integrates a 16-channel 10-bit ADC, delivering 1024 discrete measurement levels per channel. This allows simultaneous monitoring of up to 16 analog sensors—such as thermocouples, pressure transducers, or current shunts—within a single chip, eliminating the need for external multiplexers in most multi-sensor industrial data acquisition designs.
What is the maximum clock frequency of PIC18LF8525-I/PT and how does it compare to a 20 MHz PIC16?
The PIC18LF8525-I/PT operates at up to 40 MHz, delivering 10 MIPS throughput on its PIC18 core (4 clocks per instruction cycle). This is double the effective throughput of a PIC16 running at 20 MHz (5 MIPS), making it better suited for real-time control algorithms, higher baud-rate communications, and more complex interrupt-driven state machines.
For an 80-pin TQFP layout, how does the PIC18LF8525-I/PT's package affect PCB complexity?
The TQFP-80 package places 20 pins on each side of a square body, typically measuring 12 mm × 12 mm. Routing 80 pins demands a 4-layer PCB with careful power/ground plane management and controlled-impedance traces, but provides high I/O density for designs requiring many GPIO, ADC, and communication pins without adding external I/O expanders.
Is PIC18LF8525-I/PT suitable for a battery-powered portable medical monitor?
Yes. The 'LF' designation indicates low-voltage operation, allowing the device to run from supply voltages as low as 2.0 V, which is compatible with 2-cell AAA or Li-ion battery packs. Combined with 48 KB flash and 16-channel 10-bit ADC, it can handle multi-parameter vital sign acquisition tasks while minimizing power consumption during sleep modes to extend battery runtime.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $16.7040 | $16.70 |
| 5+ | $12.6200 | $63.10 |
| 20+ | $10.0224 | $200.45 |
| 35+ | $9.7551 | $341.43 |
| 100+ | $9.3542 | $935.42 |
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