PIC16LF1783-I/SP - 8-Bit XLP MCU 7KB Flash 28-SPDIP | Microchip
MPN: PIC16LF1783-I/SP ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.62 | $2.62 |
| 10 | $2.41 | $24.10 |
| 100 | $2.18 | $218.00 |
| 500 | $1.96 | $980.00 |
| 1,000 | $1.78 | $1,780.00 |
PIC16LF1783-I/SP Overview
An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (flash), data memory (RAM), non-volatile storage (EEPROM), and peripherals onto one die. Within the broader microcontroller taxonomy, the PIC16LF1783 belongs to the PIC16 enhanced mid-range family, which sits under Microchip's PIC® XLP™ (eXtreme Low Power) product line. XLP technology targets battery-powered and energy-harvesting applications by minimizing active and sleep currents, allowing the MCU to operate directly from a 1.8 V supply rail.
The PIC16LF1783-I/SP runs at speeds up to 32 MHz, executing most instructions in a single 125 ns cycle, and integrates high-performance analog peripherals uncommon in this class - notably a 12-bit ADC (analog-to-digital converter) with up to 14 channels and an 8-bit DAC (digital-to-analog converter). It also includes a 10-bit DAC, operational amplifiers, comparators, PWM modules, and the standard enhanced mid-range core peripherals. The 'LF' prefix denotes the low-voltage (1.8 V to 3.6 V) variant, while the 'I' suffix designates the industrial temperature range of -40 °C to +85 °C. The 'SP' package code marks the 28-pin SPDIP.
Typical applications include portable instrumentation, sensor signal conditioning, LED lighting controllers, low-power IoT nodes, and consumer devices. The integrated 12-bit ADC and on-chip op-amps reduce bill-of-materials cost for transducer front-ends, while the XLP active/sleep current profile supports years of battery life on coin cells.
When designing with this part, allocate careful PCB routing for the analog signals (AVDD/AVSS separation) and use decoupling capacitors within 5 mm of each supply pin. Verify in-circuit serial programming (ICSP) connections follow Microchip's recommended layout, since the through-hole SPDIP package is often chosen for prototype and educational development boards where repeated reprogramming is expected.
Drop-in alternatives for PIC16LF1783-I/SP — 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 PIC16LF1783-I/SP (same form factor and footprint) — differing in Package, ADC, Communication, I/O Pins, MSL Level.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F1783-I/SP
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16LF1783-E/SP
✅ Drop-In✓ In Stock
$2.05 / Unit
View Datasheet →PIC16LF1783-I/ML
✅ Drop-In✓ In Stock
$1.55 / Unit
View Datasheet →PIC16LF1783-I/SS
✅ Drop-In✓ In Stock
$1.36 / Unit
View Datasheet →PIC16LF1782-I/SP
✅ Drop-In✓ In Stock
$1.55 / Unit
View Datasheet →PIC16LF1789-I/SP
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC16F1765-I/SP
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC16F1718-I/SP
✅ Drop-In✓ In Stock
$1.32 / Unit
View Datasheet →PIC16LF1783-I/SP Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC16 enhanced mid-range 8-bit |
| Family | PIC® XLP™ 16F |
| Program Memory (Flash) | 7 KB (4K x 14 words) |
| Data RAM | 512 bytes |
| Data EEPROM | 256 bytes |
| Maximum CPU Speed | 32 MHz |
| Instruction Cycle Time | 125 ns (at 32 MHz, 1 cycle per instruction) |
| Supply Voltage (VDD) | 1.8 V to 3.6 V |
| Operating Temperature | -40 °C to +85 °C (industrial) |
| ADC Resolution | 12-bit |
| DAC Resolution | 8-bit (with 10-bit DAC on die) |
| Package | 28-pin SPDIP (Skinny PDIP, 0.300 inch / 7.62 mm pitch) |
| Mounting Type | Through-Hole |
| Pin Count | 28 |
| RoHS Status | Compliant |
| MSL Level | 1 (not moisture sensitive for through-hole) |
| Programming Interface | ICSP (In-Circuit Serial Programming) and ICD (In-Circuit Debugger) |
PIC16LF1783-I/SP Pin Configuration
| Pin 1 | RA3/AN3/VREF+/T1G — Port A bit 3 / analog input 3 / positive voltage reference / Timer1 gate input |
| Pin 2 | RA4/AN4/T1CKI — Port A bit 4 / analog input 4 / Timer1 clock input |
| Pin 3 | RA5/AN5 — Port A bit 5 / analog input 5 |
| Pin 4 | RA6/OSC2/CLKOUT — Port A bit 6 / crystal oscillator output / clock output |
| Pin 5 | RA7/OSC1/CLKIN — Port A bit 7 / crystal oscillator input / external clock input |
| Pin 6 | RC0/SOSCO — Port C bit 0 / secondary oscillator output |
| Pin 7 | RC1/SOSCI — Port C bit 1 / secondary oscillator input |
| Pin 8 | RC2/AN8 — Port C bit 2 / analog input 8 |
| Pin 9 | RC3/AN9 — Port C bit 3 / analog input 9 |
| Pin 10 | RC4/AN10 — Port C bit 4 / analog input 10 |
| Pin 11 | RC5/AN11 — Port C bit 5 / analog input 11 |
| Pin 12 | RC6/AN12 — Port C bit 6 / analog input 12 |
| Pin 13 | RC7/AN13 — Port C bit 7 / analog input 13 |
| Pin 14 | RB0/AN12/INT — Port B bit 0 / analog input 12 / external interrupt |
| Pin 15 | RB1/AN10 — Port B bit 1 / analog input 10 |
| Pin 16 | RB2/AN8 — Port B bit 2 / analog input 8 |
| Pin 17 | RB3/AN9 — Port B bit 3 / analog input 9 |
| Pin 18 | RB4/AN11 — Port B bit 4 / analog input 11 |
| Pin 19 | RB5/AN13 — Port B bit 5 / analog input 13 |
| Pin 20 | RB6/ICSPCLK — Port B bit 6 / ICSP clock |
| Pin 21 | RB7/ICSPDAT — Port B bit 7 / ICSP data |
| Pin 22 | VSS — Ground reference |
| Pin 23 | VDD — Positive supply voltage (1.8 V to 3.6 V) |
| Pin 24 | RA0/AN0 — Port A bit 0 / analog input 0 |
| Pin 25 | RA1/AN1 — Port A bit 1 / analog input 1 |
| Pin 26 | RA2/AN2/VREF- — Port A bit 2 / analog input 2 / negative voltage reference |
| Pin 27 | MCLR/VPP/RA3 — Master clear reset / programming voltage / shared with RA3 |
| Pin 28 | AVDD — Analog positive supply |
Typical Applications
PIC16LF1783-I/SP is suitable for 7 applications: Battery-Powered IoT Sensor Nodes, Portable Medical Devices, Industrial Process Control, LED Lighting Controllers, Consumer Remote Controls, Automotive Body Electronics (Non-Safety), Educational Development Boards.
Battery-Powered IoT Sensor Nodes
The PIC16LF1783-I/SP's XLP architecture with nanoamp sleep current and 1.8 V minimum supply makes it ideal for coin-cell-powered wireless sensor nodes. Its integrated 12-bit ADC (up to 14 channels) and on-chip op-amps allow direct connection to thermocouples, load cells, and bridge sensors without external analog ICs. Active current at 1 MHz is typically under 100 µA/MHz at 1.8 V, enabling multi-year battery life. The 7 KB flash holds small sensor-fusion firmware with calibration tables. Use the SPI/I2C modules for an external radio transceiver, and the ICSP/ICD pins for field firmware updates.
Recommended
Portable Medical Devices
The PIC16LF1783-I/SP fits handheld medical devices such as glucose meters, pulse oximeters, and patient thermometers. Its 12-bit ADC provides the resolution needed for accurate photodiode or thermistor readings, while the integrated op-amps implement transimpedance amplifiers without external components. Operating from 1.8 V to 3.6 V supports direct Li-ion or 2xAA operation. The industrial -40 °C to +85 °C temperature range handles sterilisation environments. XLP sleep current keeps standby power negligible between measurements, extending battery life across thousands of readings.
Recommended
Industrial Process Control
Factory-floor controllers, 4-20 mA loop transmitters, and HMI keypads benefit from the PIC16LF1783-I/SP's industrial -40 °C to +85 °C rating and high-integration analog peripherals. The 12-bit ADC digitizes multiple process variables, while the PWM module drives valve actuators or LED indicators. The on-chip comparators handle windowed fault detection (over-temperature, over-current) without an external supervisor. The 256-byte EEPROM stores non-volatile calibration constants and serial numbers for traceability. Use the EUSART for RS-485 communication via an external transceiver like the MAX485.
Recommended
LED Lighting Controllers
The PIC16LF1783-I/SP drives architectural and decorative LED fixtures with smooth dimming and color mixing. Its multiple PWM channels (Capture/Compare/PWM) and 8-bit DAC produce high-resolution analog dimming signals, while the 12-bit ADC reads ambient light sensors for closed-loop brightness control. Operating from 1.8 V to 3.6 V simplifies constant-current driver integration. The XLP low-power modes keep standby draw minimal when the fixture is off, supporting Energy Star and EU EcoDesign standby limits. The flash-resident firmware handles DMX or DALI protocols via UART or external interfaces.
Recommended
Consumer Remote Controls
Universal remote controls and BLE/IR bridges leverage the PIC16LF1783-I/SP's low active current and deep sleep modes for months of battery life on a pair of AAA cells. The integrated op-amps and comparators condition IR-receiver photodiode signals, while PWM generates accurate 38 kHz carrier waveforms for IR transmission. The 7 KB flash comfortably fits a small database of device IR codes and learning algorithms. ICSP support allows post-assembly firmware customization for OEM variants. Use the EUSART to communicate with an external BLE module for smart-home integration.
Recommended
Automotive Body Electronics (Non-Safety)
For non-safety automotive body modules such as interior lighting controllers, seat heaters, and accessory timers, the PIC16LF1783-I/SP provides sufficient analog integration and -40 °C to +85 °C industrial temperature range. The 12-bit ADC monitors multiple analog sensors (temperature, position), and PWM drives MOSFET gates for heating elements. The XLP features minimize quiescent draw on the vehicle battery. For under-hood or AEC-Q100-mandated applications, upgrade to the PIC16LF1783-E/SP extended-temperature variant or a dedicated automotive-grade PIC16F1xxx part.
Recommended
Educational Development Boards
Through-hole SPDIP packages like the PIC16LF1783-I/SP remain the preferred choice for educational development boards, breadboard prototyping, and university curricula. The 0.300-inch (7.62 mm) pin spacing fits standard solderless breadboards, allowing students to build and modify circuits without specialized SMT tools. The PIC16LF1783's MPLAB X IDE compatibility, ICSP programming via a PICkit 4, and abundant community example code make it a strong teaching platform for embedded systems courses covering ADC, PWM, interrupts, and low-power design.
Recommended
Recommended Products Summary
Engineering reference data for PIC16LF1783-I/SP — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F1783-I/SP | PIC16LF1783-E/SP | PIC16LF1783-I/ML | PIC16LF1783-I/SS | PIC16LF1782-I/SP | PIC16LF1789-I/SP |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SPDIP (through-hole) | 28-SPDIP (through-hole) - same | 28-SPDIP (through-hole) - same | 28-QFN (surface-mount) - different | 28-SSOP (surface-mount) - different | 28-SPDIP (through-hole) - same | 28-SPDIP (through-hole) - same |
| Supply Voltage Range | 1.8 V to 3.6 V | 2.3 V to 5.5 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| Operating Temperature | -40 °C to +85 °C | -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 |
| Flash Program Memory | 7 KB (4K x 14) | 7 KB | 7 KB | 7 KB | 7 KB | 7 KB | 28 KB |
| Data RAM | 512 bytes | 512 bytes | 512 bytes | 512 bytes | 512 bytes | 512 bytes | 2 KB |
| ADC Resolution | 12-bit | 12-bit | 12-bit | 12-bit | 12-bit | 8-bit | 12-bit |
| DAC | 8-bit DAC + 10-bit DAC | 8-bit + 10-bit | 8-bit + 10-bit | 8-bit + 10-bit | 8-bit + 10-bit | No 8-bit DAC | 8-bit + 10-bit |
| Maximum CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
Key Differentiators
- 12-bit ADC with on-chip op-amps (vs PIC16LF1782-I/SP)
- Dual DAC outputs (8-bit + 10-bit) (vs PIC16F1718-I/SP)
- Low-voltage 1.8 V operation for XLP designs (vs PIC16F1783-I/SP)
Design Notes
Decouple AVDD and VDD separately with 100 nF ceramic capacitors placed within 5 mm of the respective pins. Tie AVDD to VDD through a ferrite bead if the analog section experiences switching noise. For the lowest XLP sleep current, configure unused I/O as outputs driving low and disable unused peripherals via the PMD (Peripheral Module Disable) registers. Per Microchip's XLP family datasheet, typical sleep current with WDT off is below 100 nA at 3 V / 25 °C.
Route the analog signals (ANx, VREF+, VREF-) away from digital switching traces such as PWM outputs and oscillator pins. Provide a ground plane under the MCU and keep the crystal (if used) close to OSC1/OSC2 with short traces and a grounded guard ring. For ICSP, dedicate RB6/ICSPCLK and RB7/ICSPDAT to programming even in production boards, with a 4.7 kΩ pull-up on MCLR to VDD for clean in-circuit programming.
Do not assume the LF variant will run at 5 V - the PIC16LF1783-I/SP's absolute maximum VDD is 4.0 V and operation is specified 1.8 V-3.6 V. Exceeding this will damage the part. Also, the LF prefix does NOT mean the device is electrically identical to the 'F' variant - the LF has different brown-out and POR thresholds tuned for low-voltage operation. Always recompile firmware for the LF target in MPLAB X to ensure correct configuration bit values are programmed.
Estimated: at 32 MHz CPU clock, typical core supply current is 4 mA at 3.3 V (~13 mW). The 28-SPDIP package has θJA around 70 °C/W in still air, so junction temperature rise is well under 1 °C - no thermal management is required. Power dissipation scales with peripheral activity; when using PWM at high duty cycles on multiple outputs, verify the absolute maximum current ratings on each I/O pin (25 mA source/sink per pin, 200 mA total for the part) are not exceeded.
Compliance Information
RoHS and REACH compliance confirmed by Microchip product documentation. Not AEC-Q100 qualified - the standard industrial variant is -40 °C to +85 °C. For AEC-Q100 automotive applications, choose a dedicated automotive-grade PIC16F1xxx part. Halogen-free per Microchip product page.
