PIC16LF1716-I/SO - 8-Bit 32MHz MCU, 14KB Flash, 28-SOIC | Microchip
MPN: PIC16LF1716-I/SO ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.45 | $2.45 |
| 10 | $2.21 | $22.10 |
| 100 | $1.96 | $196.00 |
| 500 | $1.74 | $870.00 |
| 1,000 | $1.55 | $1,550.00 |
PIC16LF1716-I/SO Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, working RAM, and peripheral interfaces such as ADC, timers, and communication controllers. The PIC16 family is a mid-range 8-bit RISC architecture from Microchip with a 14-bit instruction word, well known for deterministic interrupt response, low power consumption, and a mature MPLAB X toolchain. Within the broader taxonomy, the PIC16LF1716 sits between baseline PIC10/PIC12 parts and enhanced mid-range PIC18 devices, targeting applications that need analog integration and moderate code density.
Key features of the PIC16LF1716 include up to two operational amplifiers, up to two high-speed comparators, up to 28 input channels of 10-bit ADC with computation (ADC2), up to one 5-bit/8-bit DAC, a Configurable Logic Cell (CLC) for custom combinational and sequential logic, Complementary Output Generator (COG), Numerically Controlled Oscillator (NCO), Zero Cross Detect, and Peripheral Pin Select (PPS) for flexible signal routing. These Core Independent Peripherals offload tasks from the CPU, enabling deterministic real-time behavior without software intervention.
Typical applications include sensor signal conditioning with on-chip op amps, battery-powered IoT sensor nodes leveraging XLP sleep modes, LED lighting control with COG-driven complementary outputs, low-cost consumer appliances, and industrial control loops that benefit from integrated analog and digital peripherals in a single 28-SOIC package.
When designing with the PIC16LF1716, verify the LF 1.8V-3.6V supply constraint versus the standard PIC16F1716 (1.8V-5.5V) and select the variant that matches your power-rail architecture. PPS allows remapping of digital peripherals to most I/O pins, simplifying PCB routing but requiring careful configuration to avoid conflicts at runtime.
Drop-in alternatives for PIC16LF1716-I/SO — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with PIC16LF1716-I/SO (same form factor and footprint) — differing in ADC, Package, Core, DAC, Core Independent Peripherals.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F1716-I/SO
✅ Drop-In✓ In Stock
$1.38 / Unit
View Datasheet →PIC16LF1716-I/SP
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$1.68 / Unit
View Datasheet →PIC16LF1713-I/SO
✅ Drop-In✓ In Stock
$1.18 / Unit
View Datasheet →PIC16LF1709-I/SO
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16LF1716-I/SO Maximum Ratings & Electrical Characteristics
| Core | PIC16 8-bit RISC |
| Family | PIC® XLP™ 16F170x/171x |
| Instruction Set Width | 14-bit |
| Maximum CPU Speed | 32 MHz |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| SRAM | 1 KB |
| Supply Voltage (Vdd) | 1.8 V to 3.6 V |
| Operating Temperature Range | -40 C to +85 C (Industrial) |
| Package | 28-pin SOIC (Wide, 7.50 mm body) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| ADC | 10-bit, up to 28 channels with Computation (ADC2) |
| Operational Amplifiers | Up to 2 on-chip |
| Comparators | Up to 2 high-speed |
| DAC | Up to 1 (5-bit/8-bit) |
| Configurable Logic Cell (CLC) | Yes |
| Peripheral Pin Select (PPS) | Yes |
| eXtreme Low Power (XLP) | Yes |
PIC16LF1716-I/SO Pin Configuration
| Pin 1 | RA0/AN0 — Analog input 0 / digital I/O |
| Pin 2 | RA1/AN1 — Analog input 1 / digital I/O |
| Pin 3 | RA2/AN2 — Analog input 2 / digital I/O |
| Pin 4 | RA3/AN3 — Analog input 3 / digital I/O |
| Pin 5 | RA4/AN4 — Analog input 4 / digital I/O |
| Pin 6 | RA5/AN5 — Analog input 5 / digital I/O |
| Pin 7 | RA6/OSC2 — General I/O / oscillator output |
| Pin 8 | RA7/OSC1 — General I/O / oscillator input |
| Pin 9 | RE3/MCLR — Input only / Master Clear (reset) |
| Pin 10 | RC0 — Digital I/O |
| Pin 11 | RC1 — Digital I/O |
| Pin 12 | RC2 — Digital I/O |
| Pin 13 | RC3 — Digital I/O |
| Pin 14 | RC4 — Digital I/O |
| Pin 15 | RC5 — Digital I/O |
| Pin 16 | RC6 — Digital I/O |
| Pin 17 | RC7 — Digital I/O |
| Pin 18 | RD0 — Digital I/O |
| Pin 19 | RD1 — Digital I/O |
| Pin 20 | RD2 — Digital I/O |
| Pin 21 | RD3 — Digital I/O |
| Pin 22 | RD4 — Digital I/O |
| Pin 23 | RD5 — Digital I/O |
| Pin 24 | RD6 — Digital I/O |
| Pin 25 | RD7 — Digital I/O |
| Pin 26 | RB0 — Digital I/O / interrupt-on-change |
| Pin 27 | RB1 — Digital I/O / interrupt-on-change |
| Pin 28 | Vdd — Positive supply voltage (1.8V-3.6V) |
Typical Applications
PIC16LF1716-I/SO is suitable for 7 applications: Battery-Powered IoT Sensor Nodes, Industrial Sensor Signal Conditioning, LED Lighting Control with COG, Consumer Appliance Control, Automotive Body Electronics (Non-Safety), Portable Medical Monitoring Devices, Smart Home Sensor Hubs.
Battery-Powered IoT Sensor Nodes
The PIC16LF1716-I/SO is an excellent fit for battery-powered IoT sensor nodes because its 1.8V-3.6V supply range matches 2x AA alkaline or single-cell Li-ion chemistries without level shifters, and XLP eXtreme Low Power technology delivers sleep currents below 1 uA for multi-year battery life. The on-chip 10-bit ADC with computation, dual op amps, and 5/8-bit DAC allow direct interface to resistive bridge sensors, thermistors, and 4-20 mA current loops without external signal conditioning. CLC peripherals implement hardware-level state machines that wake the CPU only when thresholds are exceeded, offloading routine tasks and reducing average power consumption by 80-95% versus polled firmware architectures.
Recommended
Industrial Sensor Signal Conditioning
In industrial signal conditioning applications, the PIC16LF1716-I/SO's two integrated rail-to-rail op amps buffer transducer outputs, implement active filters, and provide gain stages before the 10-bit ADC samples the signal. The Configurable Logic Cell (CLC) creates custom combinational and sequential logic for sensor-fault detection without CPU intervention, while PPS routes digital peripheral outputs to any I/O pin for flexible PCB layouts. The wide -40C to +85C industrial temperature range and 1.8V-3.6V operation enable deployment in 24V-sensor-bus environments with simple LDO pre-regulation.
Recommended
LED Lighting Control with COG
The Complementary Output Generator (COG) peripheral on the PIC16LF1716-I/SO drives complementary PWM outputs with programmable dead-band delay, ideal for half-bridge LED driver topologies and full-bridge lighting controllers. Combined with the 32 MHz CPU and 10-bit ADC, the MCU executes closed-loop current control for high-brightness LEDs with microsecond response times. The NCO peripheral provides high-resolution frequency synthesis for dimming, while XLP sleep modes keep standby consumption under 100 nA in always-on lighting fixtures for energy-code compliance.
Recommended
Consumer Appliance Control
Cost-sensitive consumer appliances such as coffee makers, washing machines, and air purifiers benefit from the PIC16LF1716-I/SO's integrated peripherals that replace multiple discrete components. The on-chip op amps interface directly to NTC temperature sensors and pressure transducers, the comparators detect zero-cross events for TRIAC triggering, and the CLC generates timing sequences for motor control without software overhead. With 14 KB Flash, designers can implement user-interface state machines, fault diagnostics, and communication stacks (UART, I2C, SPI) on a single 28-SOIC device.
Recommended
Automotive Body Electronics (Non-Safety)
For non-safety automotive body electronics such as seat controllers, ambient lighting, and HVAC blend-door actuators, the PIC16LF1716-I/SO provides the analog integration and PWM channels needed for motor and LED driving. Note that AEC-Q100 qualified parts should be selected for under-hood or safety-relevant applications; the standard PIC16LF1716-I/SO is intended for body-comfort systems where Q100 qualification is not mandatory. The 32 MHz core and CLC peripherals enable responsive user-interface feedback loops.
Recommended
Portable Medical Monitoring Devices
Portable medical monitoring devices such as pulse oximeters, glucose meters, and wearable thermometers leverage the PIC16LF1716-I/SO's low-power XLP architecture, integrated op amps for sensor signal conditioning, and 10-bit ADC for measurement digitization. The 1.8V-3.6V supply aligns with single-cell Li-ion or 2x coin-cell batteries, while sleep currents below 1 uA extend device shelf life. For medical applications requiring IEC 60730 or FDA Class II compliance, additional firmware self-test routines can run on the CLC and ADC2 computation engine for hardware-level fault detection.
Recommended
Smart Home Sensor Hubs
Smart home sensor hubs for occupancy detection, air quality monitoring, and leak detection rely on the PIC16LF1716-I/SO to aggregate multiple sensor inputs via its 28-channel 10-bit ADC and dual comparators. The I2C/SPI/EUSART interfaces connect to external environmental sensors and radio modules (LoRa, BLE, Sub-GHz), while CLC implements debouncing and threshold logic at the hardware level. The 28-SOIC package enables through-hole-friendly rework and easy prototype iteration in residential automation designs.
Recommended
Recommended Products Summary
Engineering reference data for PIC16LF1716-I/SO — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F1716-I/SO | PIC16LF1713-I/SO | PIC16LF1709-I/SO |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SOIC (Wide) | 28-SOIC (Wide) - same | 28-SOIC (Wide) - same | 28-SOIC (Wide) - same |
| Flash Memory | 14 KB | 14 KB | 7 KB (-50%) | 7 KB (-50%) |
| SRAM | 1 KB | 1 KB | 512 B (-50%) | 512 B (-50%) |
| Supply Voltage | 1.8V to 3.6V | 1.8V to 5.5V | 1.8V to 3.6V | 1.8V to 3.6V |
| Maximum CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| On-Chip Op Amps | Up to 2 | Up to 2 | Up to 2 | Up to 2 |
| CLC Instances | Multiple | Multiple | Multiple | Reduced count |
| AEC-Q100 Qualified | No | No | No | No |
| Approx. Unit Price (qty-1) | $2.45 | $2.50 (est.) | $2.20 (est.) | $2.05 (est.) |
Key Differentiators
- Lower-voltage variant with identical pinout (vs PIC16F1716-I/SO)
- Larger Flash and SRAM than PIC16LF1713-I/SO (vs PIC16LF1713-I/SO)
- Integrated op amps eliminate external analog front-end (vs PIC16LF1709-I/SO)
Design Notes
The PIC16LF1716-I/SO requires a clean 1.8V-3.6V supply; place a 100 nF ceramic decoupling capacitor within 5 mm of the Vdd pin (pin 28) and a bulk 10 uF capacitor near the regulator output. For battery designs, the LFINTOSC 32 kHz mode draws under 1 uA active current at low CPU loads, making it suitable for sleep-dominant IoT sensor nodes. When waking from sleep, allow at least one instruction cycle for oscillator stabilization before peripheral-dependent operations.
In the 28-SOIC wide-body package, route analog inputs (RA0-RA5) on the top layer with guard traces tied to analog ground to minimize digital crosstalk on the 10-bit ADC. Keep switching signals (PWM, oscillator) at least 3 mm away from analog traces, and provide a dedicated AGND island connected to Vss at a single point near the MCU. The exposed pad variants are not used on the 28-SOIC; standard SOIC thermal performance is adequate for the 32 MHz / 3.6V operating envelope.
Do not exceed the 3.6V Vdd maximum on the LF variant - selecting the LF part for a 5V design causes immediate silicon damage. Verify the PIC16LF1716 vs PIC16F1716 ordering code carefully: the F (standard) part supports 1.8V-5.5V, while LF is restricted to 1.8V-3.6V. PPS remapping must be configured before enabling peripherals, otherwise unintended pin functions persist. The MCLR pin (pin 9) requires a 10 kohm pull-up to Vdd for normal operation; floating MCLR causes random resets.
When using the on-chip op amps in unity-gain buffer mode to drive the ADC, keep the amplifier output traces short (<10 mm) and route them away from digital switching nodes. For ADC accuracy beyond 8 effective bits, average 16 or more samples in ADC2 Accumulation mode; this suppresses 50/60 Hz line interference by >40 dB. The internal 1.024V or 2.048V FVR reference must be enabled and stabilized (typical 25 us settling) before ADC conversions begin.
Compliance Information
RoHS and REACH compliance per Microchip product page. Not AEC-Q100 qualified - select AEC-Q100 graded variants for automotive safety applications.
