PIC16F1782-I/MV - 8-bit XLP MCU, 32MHz, 3.5KB Flash | Microchip
MPN: PIC16F1782-I/MV ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.15 | $2.15 |
| 10 | $1.92 | $19.20 |
| 100 | $1.65 | $165.00 |
| 500 | $1.42 | $710.00 |
| 1,000 | $1.18 | $1,180.00 |
PIC16F1782-I/MV Overview
An 8-bit PIC microcontroller is a RISC-based CMOS processor that executes a fixed instruction set in a single cycle (200 ns at 20 MHz instruction clock). Within the broader taxonomy, PIC16F microcontrollers sit between PIC10/12/16 baseline parts and dsPIC33 digital-signal controllers; they are the workhorse general-purpose family for cost-sensitive embedded designs requiring moderate analog performance and ultra-low standby power. The XLP nanoWatt technology tier further positions PIC16F178x parts below PIC24/dsPIC families in power consumption, making them suited to sleep-current-critical applications like wireless sensor nodes and wearable health devices.
Key features include the 12-bit ADC with acquisition-and-conversion support, dual 32 MHz op amps configurable for general-purpose or cascade modes, the PSMC peripheral for direct MOSFET gate drive in DC-DC or lighting control loops, an 8-bit DAC for reference or bias generation, and the standard PIC16F peripheral mix of Enhanced Universal Synchronous/Asynchronous Receiver Transmitter (EUSART), MSSP for SPI/I2C, and up to 25 I/O pins. The integrated Core Independent Peripherals (CIPs) - PSMC, op amps, DAC, and comparator - can operate without CPU intervention, lowering active duty cycle and extending battery life.
Architecturally the PIC16F1782 uses a Harvard RISC core with a 14-bit instruction word and 8-bit data path, supported by a hardware stack and interrupt controller with hardware context save. The 32 MHz internal oscillator (±1% accuracy after calibration, FOSC = HFINTOSC) eliminates external crystals in most designs, reducing BOM cost. Internal voltage-reference and fixed-voltage-reference modules supply the ADC, DAC, and comparator, enabling fully self-contained analog signal acquisition without external references.
Typical applications include low-battery sensor interfaces, LED lighting control loops using PSMC for high-frequency dimming, smoke and gas detectors with on-chip op-amp signal conditioning, e-metering front-ends, and small-form-factor consumer devices that need precision analog alongside 8-bit logic. The combination of 32 MHz CPU, 3.5 KB Flash, and 12-bit ADC in a 4x4 mm UQFN also fits wearable health patches and IoT edge nodes.
When designing with this MCU, consider the UQFN-28 thermal path - the exposed pad must be soldered to a sufficient copper pour for heat extraction during heavy ADC sampling. Decouple VDD with 100 nF and bulk 1-10 µF ceramic capacitors placed within 3 mm of the supply pins. The PSMC peripheral requires firmware configuration before first use and benefits from a dedicated gate-drive trace layout.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, optimized for engineers evaluating the PIC16F1782-I/MV for low-power mixed-signal designs.
Drop-in alternatives for PIC16F1782-I/MV — 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 PIC16F1782-I/MV (same form factor and footprint) — differing in ADC, Core Architecture, DAC, Package, Program Memory (Flash).
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F1782-E/MV
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F1783-I/MV
✅ Drop-In✓ In Stock
$1.62 / Unit
View Datasheet →PIC16F15356-I/MV
✅ Drop-In✓ In Stock
$1.18 / Unit
View Datasheet →PIC16F1719-I/MV
✅ Drop-In✓ In Stock
$1.89 / Unit
View Datasheet →PIC16F1717-I/MV
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F1782-I/MV Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC16 8-bit RISC, enhanced mid-range |
| Program Memory (Flash) | 3.5 KB (2K x 14 words) |
| Data SRAM | 256 bytes |
| Data EEPROM | 256 bytes |
| Maximum CPU Speed | 32 MHz (8 MIPS) |
| Supply Voltage (VDD) | 2.5 V to 5.5 V |
| Operating Temperature | -40 °C to +85 °C (Industrial) |
| ADC | 12-bit, up to 11 channels |
| DAC | 8-bit, 1 channel |
| Operational Amplifiers | 2 on-chip op amps |
| Comparators | Fast comparator, rail-to-rail |
| PSMC | Programmable Switch-Mode Controller, 16-bit resolution |
| Digital I/O Pins | 25 (multi-function, 5 V tolerant) |
| Communication Peripherals | EUSART (LIN-capable), MSSP (SPI/I2C) |
| Timers | Timer0, Timer1, Timer2, WDT |
| Package | 28-pin UQFN (4x4 mm), MV suffix |
| Mounting Type | Surface Mount, exposed thermal pad |
| MSL Level | 1 (unlimited floor life) |
| RoHS Status | Compliant |
| Lead-Free | Yes |
PIC16F1782-I/MV Pin Configuration
| Pin 1 | RA0/AN0/C1IN0+/OPA1IN+ — GPIO RA0 / ADC ch0 / comparator input / op-amp 1 non-inverting |
| Pin 2 | RA1/AN1/C1IN1-/OPA1IN- — GPIO RA1 / ADC ch1 / comparator input / op-amp 1 inverting |
| Pin 3 | RA2/AN2/DAC1OUT1 — GPIO RA2 / ADC ch2 / DAC1 output |
| Pin 4 | RA3/AN3/C1IN1+ — GPIO RA3 / ADC ch3 / comparator input |
| Pin 5 | RA4/AN4/C1OUT — GPIO RA4 / ADC ch4 / comparator output |
| Pin 6 | RA5/AN5/OPA2IN+ — GPIO RA5 / ADC ch5 / op-amp 2 non-inverting |
| Pin 7 | RA6/AN6/OPA2IN- — GPIO RA6 / ADC ch6 / op-amp 2 inverting |
| Pin 8 | RA7/AN7 — GPIO RA7 / ADC ch7 |
| Pin 9 | VSS — Ground reference |
| Pin 10 | RA8/AN8 — GPIO RA8 / ADC ch8 |
| Pin 11 | RA9/AN9 — GPIO RA9 / ADC ch9 |
| Pin 12 | RA10/AN10 — GPIO RA10 / ADC ch10 |
| Pin 13 | RA11 — GPIO RA11 (no ADC) |
| Pin 14 | VDD — Positive supply (2.5 V - 5.5 V) |
| Pin 15 | RA12 — GPIO RA12 |
| Pin 16 | RA13 — GPIO RA13 |
| Pin 17 | OSC1/CLKIN/RA14 — Crystal/clock input or GPIO |
| Pin 18 | OSC2/CLKOUT/RA15 — Crystal/clock output or GPIO |
| Pin 19 | RC0/SOSCO — GPIO RC0 / secondary oscillator output |
| Pin 20 | RC1/SOSCI — GPIO RC1 / secondary oscillator input |
| Pin 21 | RC2/AN11 — GPIO RC2 / ADC ch11 |
| Pin 22 | RC3/SCL — GPIO RC3 / I2C clock |
| Pin 23 | RC4/SDA — GPIO RC4 / I2C data |
| Pin 24 | RC5/SDO — GPIO RC5 / SPI data out |
| Pin 25 | RC6/TX/CK — GPIO RC6 / EUSART TX or clock |
| Pin 26 | RC7/RX/DT — GPIO RC7 / EUSART RX or data |
| Pin 27 | RC8/SDI — GPIO RC8 / SPI data in |
| Pin 28 | RC9/SCK — GPIO RC9 / SPI clock |
Typical Applications
PIC16F1782-I/MV is suitable for 6 applications: Battery-Powered Wireless Sensor Node, LED Lighting Driver with PSMC, Smoke and Gas Detector Front-End, IoT Edge Node with Analog Inputs, Wearable Health Patch, Consumer Remote Control with Voice/Audio DAC.
Battery-Powered Wireless Sensor Node
The PIC16F1782-I/MV is well suited to battery-powered wireless sensor nodes because of its nanoWatt XLP technology, which delivers sub-µA sleep current and integrated 12-bit ADC for direct sensor digitization. With 32 MHz CPU and 3.5 KB Flash it handles simple protocol stacks (e.g., Sub-GHz or BLE front-end MCUs as companions) while the on-chip 12-bit ADC and dual op amps condition thermocouple, strain-gauge, or gas-sensor outputs in a single chip. Compared to discrete op amp + ADC + MCU solutions, the integrated analog chain reduces BOM count and PCB area, while the 28-pin UQFN (4x4 mm) leaves room for a coin-cell holder in wearables.
Recommended
LED Lighting Driver with PSMC
The PIC16F1782-I/MV's integrated Programmable Switch-Mode Controller (PSMC) provides 16-bit PWM resolution and direct MOSFET gate drive capability, making it a compact controller for high-frequency LED dimming and constant-current buck topologies. The 32 MHz CPU bandwidth supports color-mixing algorithms for RGBW luminaires, while the 12-bit ADC reads current-sense feedback in real time. Unlike a generic 8-bit MCU that requires an external PWM controller, the PSMC runs Core Independent of the CPU, so LED jitter is eliminated and firmware is simplified. The 28-pin UQFN keeps the driver stage small enough for MR16 retrofit lamps.
Recommended
Smoke and Gas Detector Front-End
Smoke and gas detectors benefit from the PIC16F1782-I/MV's combination of on-chip dual op amps, 12-bit ADC, fast comparator, and low sleep current. The op amps can directly amplify the photo-diode signal from a smoke chamber while the comparator drives an interrupt for threshold detection, freeing the CPU for housekeeping. XLP nanoWatt technology gives multi-year battery life on a single lithium cell, critical for ceiling-mounted detectors. Compared to designs that use a separate analog front-end IC plus MCU, the PIC16F1782-I/MV integrates the analog chain into one 4x4 mm UQFN, reducing PCB footprint and lowering assembly cost for safety-certified products.
Recommended
IoT Edge Node with Analog Inputs
Industrial IoT edge nodes collecting 4-20 mA loop or 0-10 V analog signals are a natural fit for the PIC16F1782-I/MV. The 12-bit ADC with up to 11 channels multiplexes multiple sensor inputs while the dual op amps provide level shifting and buffering for industrial signals. The EUSART and MSSP peripherals expose SPI/I2C for connecting radios or sensors, and the 3.5 KB Flash is sufficient for Modbus RTU or simple MQTT-style conversion. The 28-pin UQFN withstands industrial -40 °C to +85 °C ambient and the integrated analog saves the BOM cost of an external ADC chip. Pair with an RS-485 transceiver for isolated industrial bus communication.
Recommended
Wearable Health Patch
Wearable health patches need a tiny MCU that can digitize biopotential signals (ECG, EMG, GSR) while sipping battery power. The PIC16F1782-I/MV delivers this with its 12-bit ADC sampling bioelectrodes through the integrated op amps, sub-µA sleep current between heartbeats, and 4x4 mm UQFN package that fits inside a disposable patch. The 32 MHz CPU runs lightweight digital filtering in firmware, and the 8-bit DAC can drive a bias network for the electrode buffer stage. Compared to larger 32-bit ARM Cortex-M0+ MCUs, the PIC16F1782-I/MV's smaller silicon and tighter sleep profile extend battery life by 30-50% in similar sensor applications.
Recommended
Consumer Remote Control with Voice/Audio DAC
The PIC16F1782-I/MV's 8-bit DAC and 32 MHz CPU enable simple audio-tone or melody generation in remote controls and toys, while the 12-bit ADC digitizes microphone input for voice-triggered wake words. The MSSP/I2C peripheral connects to low-cost audio amplifiers or CODECs, and the 28-pin UQFN keeps the PCB small enough for handheld form factors. The op amps can condition microphone bias or line-level audio inputs. Compared to designs using a dedicated audio DAC plus a small MCU, the PIC16F1782-I/MV saves both board space and 30-40% BOM cost in price-sensitive consumer products where 8-bit audio resolution is acceptable.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F1782-I/MV — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F1782-E/MV | PIC16F1783-I/MV | PIC16F15356-I/MV | PIC16F1719-I/MV | PIC16F1717-I/MV |
|---|---|---|---|---|---|---|
| Package | 28-pin UQFN (4x4 mm) | 28-pin UQFN (4x4 mm) - same | 28-pin UQFN (4x4 mm) - same | 28-pin UQFN (4x4 mm) - same | 28-pin UQFN (4x4 mm) - same | 28-pin UQFN (4x4 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Flash | 3.5 KB | 3.5 KB | 7 KB | 28 KB | 28 KB | 14 KB |
| Data SRAM | 256 bytes | 256 bytes | 512 bytes | 2 KB | 2 KB | 1 KB |
| Maximum CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| ADC Resolution | 12-bit | 12-bit | 12-bit | 10-bit | 12-bit | 12-bit |
| Op Amps on Chip | 2 | 2 | 2 | 0 | 2 | 2 |
| PSMC | Yes | Yes | Yes | No | Yes | Yes |
| Operating Temperature | -40 °C to +85 °C | -40 °C to +125 °C | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +85 °C |
Key Differentiators
- Integrated 12-bit ADC plus dual op amps and PSMC on a single die (vs PIC16F15356-I/MV)
- Industrial temperature grade with full nanoWatt XLP feature set (vs PIC16F1782-E/MV)
- Memory headroom for moderate applications without footprint change (vs PIC16F1783-I/MV)
Design Notes
The 28-pin UQFN (4x4 mm) package relies on the exposed thermal pad for heat extraction. Although the PIC16F1782-I/MV draws low average current, sustained high CPU activity at 32 MHz combined with active ADC sampling can raise junction temperature noticeably. Per Microchip application note guidelines, the thermal pad must be soldered to a ground copper pour with thermal vias to the inner plane - at least 9 vias in a 3x3 grid is recommended for designs operating continuously at full speed.
Place a 100 nF decoupling capacitor within 3 mm of the VDD pin and a bulk 1-10 µF ceramic at the board power entry. For ADC accuracy, add a 100 nF capacitor on the VREF pin if used; the 12-bit ADC is sensitive to high-frequency supply noise above 1 MHz. Use a star-ground topology so analog and digital grounds meet only at the MCU's VSS pin, preventing digital return currents from corrupting the analog reference.
Route the PSMC output traces as short as possible (typically <10 mm) to the gate of the external MOSFET. Place a gate-series resistor of 10-100 Ω to damp ringing. Keep analog ADC traces away from PSMC and oscillator traces to minimize coupling; allow at least 3x trace-width spacing between analog and switching signals. Per Microchip's typical layout examples, the exposed pad (EP) must be soldered for both thermal and electrical ground continuity.
Do not forget to configure the analog pin select registers (ANSELx) for ADC inputs - leaving them in digital mode will produce zero or near-zero ADC readings. The PSMC peripheral must be initialized before first use in firmware or it stays inactive. Finally, the on-chip op amps require explicit configuration via the OPAxCON register; failing to enable the op amp module results in high-impedance pins that appear as 'dead' inputs.
Compliance Information
RoHS and REACH compliance per Microchip product page. Industrial grade (I-suffix) only - not AEC-Q100 qualified; for automotive choose AEC-Q100 equivalents from Microchip's PIC16F1782 family. Lead-free and halogen-free per Microchip environmental certification.
