PIC16F1719-I/P - 8-Bit 32MHz 28KB Flash MCU w/ Op Amps | Microchip
MPN: PIC16F1719-I/P ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.2 | $4.20 |
| 10 | $3.78 | $37.80 |
| 100 | $3.36 | $336.00 |
| 500 | $2.95 | $1,475.00 |
| 1,000 | $2.55 | $2,550.00 |
PIC16F1719-I/P Overview
A flash-based 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile flash program memory, RAM, and a rich set of peripherals (timers, ADC, communication interfaces) on one die. PIC16F1719 belongs to the mid-range PIC16 family, positioned in Microchip's hierarchy as PIC10/12/16 -> mid-range 8-bit -> microcontroller -> embedded controller -> semiconductor. The 'XLP' (eXtreme Low Power) designation indicates sleep currents in the nanoamp range and active currents under 1 mA/MHz, enabling battery-friendly designs.
Differentiating features include on-chip op amps that eliminate external signal conditioning, ADC2 with computation features (averaging, oversampling, threshold comparisons) that offload CPU work, and 4 Configurable Logic Cells (CLC) that implement combinatorial/sequential logic without CPU intervention. The Peripheral Pin Select (PPS) remapping function allows flexible pin assignments for digital peripherals, simplifying PCB layout. Communication peripherals include I2C, SPI, and EUSART with auto-baud detect.
Architecturally, the PIC16F1719 uses a 14-bit instruction word RISC core with a hardware stack, single-cycle hardware multiply, and 49 instruction set variations. The on-chip op amps and 10-bit DAC enable closed-loop analog control without external ICs, while 4 16-bit PWM modules with complementary outputs and dead-band control simplify digital power and motor drive designs.
Typical applications include LED lighting controllers (4-channel 16-bit PWM), sensor signal conditioning (op amp + ADC), low-power IoT edge nodes, battery management, and small motor control. The combination of integrated analog and XLP makes PIC16F1719-I/P particularly well-suited to cost-sensitive designs that need both precision analog and long battery life.
When designing with this MCU, allocate sufficient decoupling (100 nF per VDD pair plus bulk 10 uF) and follow Microchip ANs for PPS configuration. For power-critical designs, use the nanoWatt XLP modes (Sleep, Idle, Doze) and gate peripheral clocks via PMD bits to achieve sub-uA standby currents.
This page synthesizes distributor pricing, drop-in package-compatible alternatives, and practical design notes not found on a single manufacturer product page.
Drop-in alternatives for PIC16F1719-I/P — 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 PIC16F1719-I/P (same form factor and footprint) — differing in DAC, Package, ADC, Core Independent Peripherals, Program Memory (Flash).
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F1718-I/P
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F1717-I/PT
✅ Drop-In✓ In Stock
$2.3 / Unit
View Datasheet →PIC16F1719-E/P
✅ Drop-In✓ In Stock
$2.3 / Unit
View Datasheet →PIC16F1719-I/MV
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$1.89 / Unit
View Datasheet →PIC16F1619-I/P
✅ Drop-In ⚠️ 参数待验证📋 Reference alternative (not in catalog)
PIC16F1719-I/P Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC16 8-bit RISC, 14-bit instruction word |
| Program Memory (Flash) | 28 KB (16K x 14 words) |
| Data SRAM | 2 KB |
| Data EEPROM | 256 bytes |
| Maximum CPU Frequency | 32 MHz |
| ADC | 10-bit, up to 28 channels, with ADC2 computation |
| DAC | 5-bit and 10-bit DAC modules |
| Operational Amplifiers | 3 on-chip op amps |
| Comparators | 2 rail-to-rail comparators |
| PWM Modules | 4 x 16-bit PWM with complementary outputs |
| Timers | 5 (Timer0/1/2/4/6) |
| Communication | I2C, SPI, EUSART with auto-baud |
| Core Independent Peripherals | CLC (x4), COG, NCO, ZCD, PPS |
| Operating Voltage | 2.3 V to 5.5 V |
| XLP Sleep Current | Typ. 50 nA (watchdog off, per datasheet) |
| I/O Pins | 36 |
| Package | 40-pin PDIP |
| Operating Temperature | -40C to +85C (Industrial, '-I') |
| Mounting Type | Through-Hole (DIP) |
| RoHS Status | Compliant |
| Programming/Debug | ICSP via PICKit/MPLAB ICD |
PIC16F1719-I/P Pin Configuration
| Pin 1 | MCLR/VPP — Master clear (reset) input / programming voltage |
| Pin 2 | RA0 — I/O / AN0 / DACOUT |
| Pin 3 | RA1 — I/O / AN1 / OPA1IN+ |
| Pin 4 | RA2 — I/O / AN2 / OPA1IN- |
| Pin 5 | RA3 — I/O / AN3 / VREF+ |
| Pin 6 | RA4 — I/O / AN4 / OPA1OUT |
| Pin 7 | RA5 — I/O / AN5 / OPA2IN+ |
| Pin 8 | RE3 — I/O (input only) |
| Pin 9 | RA7 — I/O / OPA2OUT |
| Pin 10 | RA6 — I/O / OPA2IN- |
| Pin 11 | VDD — Positive supply voltage |
| Pin 12 | VSS — Ground reference |
| Pin 13 | OSC1/CLKIN — Crystal oscillator input / external clock |
| Pin 14 | OSC2/CLKOUT — Crystal oscillator output / clock out |
| Pin 15 | RC0 — I/O / AN16 / PWM4 |
| Pin 16 | RC1 — I/O / AN17 / CCP2 |
| Pin 17 | RC2 — I/O / AN18 / PWM3 |
| Pin 18 | RC3 — I/O / AN19 / PWM2 |
| Pin 19 | RD0 — I/O / AN20 / COG1FLT |
| Pin 20 | RD1 — I/O / AN21 / COG1OUT |
| Pin 21 | RD2 — I/O / AN22 / COG2OUT |
| Pin 22 | RD3 — I/O / AN23 / ZCD1OUT |
| Pin 23 | RC4 — I/O / AN24 / SDA1 |
| Pin 24 | RC5 — I/O / AN25 / SCL1 |
| Pin 25 | RC6 — I/O / AN26 / TX1/CK1 |
| Pin 26 | RC7 — I/O / AN27 / RX1/DT1 |
| Pin 27 | RD4 — I/O / SDO2 / PWM4 |
| Pin 28 | RD5 — I/O / SDI2 / PWM5 |
| Pin 29 | RD6 — I/O / SCK2 / PWM6 |
| Pin 30 | RD7 — I/O / SS2 / PWM7 |
| Pin 31 | VSS — Ground reference |
| Pin 32 | VDD — Positive supply voltage |
| Pin 33 | RB0 — I/O / AN8 / INT0 |
| Pin 34 | RB1 — I/O / AN9 / OPA3IN+ |
| Pin 35 | RB2 — I/O / AN10 / OPA3IN- |
| Pin 36 | RB3 — I/O / AN11 / OPA3OUT |
| Pin 37 | RB4 — I/O / AN12 / PWM5 |
| Pin 38 | RB5 — I/O / AN13 / PWM6 |
| Pin 39 | RB6 — I/O / ICSPCLK / PGC |
| Pin 40 | RB7 — I/O / ICSPDAT / PGD |
Typical Applications
PIC16F1719-I/P is suitable for 6 applications: LED Lighting Controllers, Industrial Sensor Signal Conditioning, Battery-Powered IoT Edge Nodes, Small Brushed DC Motor Control, Home Appliance User Interface, Automotive Body Electronics (Non-Safety).
LED Lighting Controllers
The PIC16F1719-I/P's 4 hardware 16-bit PWM channels with complementary outputs, dead-band control, and 10-bit DAC make it ideal for multi-channel LED drivers and color-mixing luminaires. Each PWM channel can drive MOSFET half-bridges at frequencies up to 1 MHz, enabling smooth dimming down to 0.1% without visible flicker. The on-chip 10-bit ADC reads ambient light sensors and thermistors for closed-loop brightness and thermal foldback, while CLCs generate fault-trip logic independent of the CPU. XLP sleep currents under 1 uA let mains-powered fixtures survive standby energy standards. Place ferrite beads on PWM output traces and isolate analog ground under the ADC reference capacitor to preserve dimming linearity across the full 0-100% range.
Recommended
Industrial Sensor Signal Conditioning
The PIC16F1719-I/P integrates 3 on-chip rail-to-rail op amps that directly interface with bridge sensors, thermocouples, and 4-20 mA current loops, eliminating external instrumentation amplifiers. The 10-bit ADC2 with computation performs oversampling, averaging, and threshold comparisons in hardware, offloading the CPU. With 32 MHz CPU speed and 8 MIPS throughput, the MCU can run a digital filter or linearization algorithm on every sample. Industrial -40C to +85C operation, 36 I/O pins, and UART/I2C/SPI peripherals support Modbus RTU slaves and 4-20 mA loop-powered transmitters. Use the on-chip 1.024 V voltage reference for ratiometric measurements to cancel supply variation.
Recommended
Battery-Powered IoT Edge Nodes
The PIC16F1719-I/P's nanoWatt XLP architecture delivers typical sleep currents around 50 nA with watchdog disabled, enabling coin-cell-powered IoT sensors to operate for years. Five low-power modes (Doze, Idle, Sleep, Low-Power Sleep, Retention-Only) let firmware trade wake-up latency for current draw. The 32 MHz active CPU at 1.8 V consumes under 1 mA, while the integrated op amps condition sensor outputs before the MCU sleeps. EUSART auto-baud-detect simplifies UART-based module interfacing. Use the on-chip ADC in burst mode with averaging to maximize battery life while maintaining measurement accuracy, and gate all unused peripherals via PMD registers.
Recommended
Small Brushed DC Motor Control
The PIC16F1719-I/P drives brushed DC motors up to several hundred watts through 4 complementary PWMs with programmable dead-band, paired with current sensing through the on-chip op amps and 10-bit ADC. Closed-loop PI control runs at the full 32 MHz/8 MIPS throughput, while CLCs implement hardware fault shutoff independent of CPU timing. The ZCD (Zero Cross Detect) peripheral supports AC-line-synchronized TRIAC dimming or AC motor phase control. Use optocouplers or digital isolators between the MCU and the H-bridge, and keep the analog ground separate from the power-stage ground joined only at the bulk capacitor negative terminal.
Recommended
Home Appliance User Interface
The PIC16F1719-I/P drives 7-segment LED displays, capacitive touch buttons, and rotary encoders in washing machines, ovens, and coffee makers. CLC peripherals debounce button inputs and detect long-press events without CPU load, while PWM channels control buzzers and triac-fired heating elements. The 36 I/O pins handle matrix keypads up to 8x8 directly, and EUSART talks to the main appliance controller. Industrial -40C to +85C operation tolerates oven-cabinet ambient. Use the on-chip 10-bit DAC for reference voltage generation in temperature-sensor linearization algorithms, and reserve one PWM channel for the beeper to free CPU cycles.
Recommended
Automotive Body Electronics (Non-Safety)
The PIC16F1719-I/P runs body controllers for seat heaters, window lifts, mirror adjusters, and ambient lighting at automotive 12 V supply rails. The on-chip op amps sense motor current for stall detection, while 4 PWMs drive LED strings with smooth fade in/out. Extended -40C to +125C operation (E variant) survives under-dash thermal conditions. AEC-Q100 qualification is not available for this part, so use it only in non-safety body applications, not in airbag, ABS, or engine control units. Add TVS diodes on supply and signal lines, and follow automotive PCB layout practices for EMI/ESD immunity.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F1719-I/P — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F1718-I/P | PIC16F1717-I/P | PIC16F1719-E/P | PIC16F1619-I/P |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 40-pin PDIP | 40-pin PDIP - same | 40-pin PDIP - same | 40-pin PDIP - same | 40-pin PDIP - same |
| Program Flash | 28 KB | 16 KB | 8 KB | 28 KB | 20 KB |
| Data RAM | 2 KB | 2 KB | 1 KB | 2 KB | 1.5 KB |
| Maximum CPU Frequency | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| On-Chip Op Amps | 3 | 3 | 3 | 3 | 0 |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +125C (extended) | -40C to +85C |
| PWM Channels | 4 x 16-bit | 4 x 16-bit | 4 x 16-bit | 4 x 16-bit | 2 x 10-bit |
| Unit Price (approx, 100 qty) | ~$3.36 | ~$3.10 | ~$2.85 | ~$4.10 | ~$2.95 |
Key Differentiators
- Integrated 3 on-chip operational amplifiers (vs PIC16F1619-I/P)
- Industrial -40C to +85C vs no AEC-Q100 grade (vs PIC16F1719-E/P)
- 4 16-bit complementary PWMs with dead-band (vs PIC16F1619-I/P)
- PIC16F1717 lower-memory alternative (vs PIC16F1717-I/P)
Design Notes
Estimated: at VDD=3.3 V, CPU active at 32 MHz, with ADC and 1 UART running, PIC16F1719-I/P typically draws about 4 mA. Place one 100 nF 0603 ceramic decoupling capacitor as close as possible to each VDD/VDDCORE pair (pins 11/32 and the VDDICAP pin via 1 uF), plus a shared 10 uF X7R bulk on the supply rail. Use a ferrite bead between the bulk capacitor and the digital supply to suppress switching noise. For battery applications, the on-chip LDO can be disabled in software and replaced by an external MCP1700 for sub-1.6 uA quiescent current.
Keep analog signals (ANx, OPAxIN, OPAxOUT) short and routed over a single ground plane. Separate the analog VDD (AVDD) and digital VDD (DVDD) planes, joining them at a single point under the AVSS pin. Place the ADC VREF bypass capacitor within 5 mm of the VREF+ pin. For 16-bit PWM outputs, use series gate resistors (22-47 ohm) and keep PWM traces away from the crystal oscillator traces by at least 3x trace-to-trace spacing to prevent coupling. The ICSP pins (RB6/RB7) should be accessible via a 6-pin header for in-circuit programming.
Common pitfalls: (1) enabling PPS remap without first configuring the TRIS register causes unexpected digital output toggles; (2) leaving the on-chip op amps powered when unused adds 200-500 uA - gate them via PMD registers; (3) configuring the ADC in burst mode with extended acquisition time beyond source impedance can corrupt readings - follow the datasheet's ACQ bit recommendations; (4) forgetting to disable the WDT before deep-sleep causes unexpected resets every 16 seconds; (5) using 'interrupt-on-change' without clearing the IOC flag in software creates infinite loops.
Place the 32.768 kHz crystal within 5 mm of OSC1/OSC2 (pins 13/14) with symmetric trace lengths, surrounded by a guard ring tied to analog ground. For USB or high-speed SPI interfaces, route clock and data lines as a 50 ohm microstrip above a continuous ground plane. The ZCD input requires a 1 MOhm series resistor and an external clamp network per the datasheet's Figure 22-7. CLC input pins must be assigned via PPS before the CLC is enabled, otherwise the logic cell output is undefined on startup.
Compliance Information
RoHS and lead-free per Microchip product page. Not AEC-Q100 qualified - for non-safety automotive only. Use PIC16F1719-E/P for higher-temperature body electronics.
