PIC16F1704-I/P - 8-bit 32MHz 7KB Flash MCU w/Op Amps | Microchip
부품 번호: PIC16F1704-I/P ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $1.42 | $1.42 |
| 10 | $1.28 | $12.80 |
| 100 | $1.12 | $112.00 |
| 500 | $0.98 | $490.00 |
| 1,000 | $0.86 | $860.00 |
PIC16F1704-I/P 개요
A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and programmable I/O peripherals. The PIC16F1704 belongs to Microchip's enhanced mid-range PIC16 family, sitting within the 8-bit MCU segment of the broader microcontroller taxonomy: MCU -> 8-bit MCU -> enhanced mid-range -> PIC16F -> PIC16F17x family. This device combines RISC Harvard architecture with C-compiler-optimized instruction set (49 instructions) and direct LED drive capability.
Key differentiating features include on-chip op amps eliminating external analog circuitry, Peripheral Pin Select (PPS) for flexible signal routing, 10-bit ADC with automated averaging/computation, and Core Independent Peripherals that operate autonomously without CPU intervention. The device also features Zero Cross Detect for AC signal applications, Complementary Output Generator (COG) for power switching, and Configurable Logic Cells (CLC) for hardware logic customization. XLP technology delivers deep sleep currents below 1 µA.
The architecture uses a 14-bit instruction word with 8-bit data path, 16-level hardware stack, and 31 kHz internal oscillator plus 32 MHz HFINTOSC. The integrated op amps can be configured as amplifiers, comparators, or ADC drivers, eliminating external components and reducing BOM cost. PPS allows remapping of digital peripherals to any I/O pin, simplifying PCB layout.
Typical applications include LED lighting control, sensor signal conditioning with on-chip op amps, battery-powered IoT sensor nodes leveraging XLP, consumer appliance control, and small motor control using COG and PWM. The combination of analog integration and low power makes it ideal for cost-sensitive general-purpose embedded designs.
When designing with this device, leverage PPS to simplify PCB layout and use Core Independent Peripherals to offload tasks from the CPU for lower power and latency. Note that the 14-pin PDIP package is suitable for prototyping and through-hole assembly, not high-volume SMT production. Use MPLAB X IDE and XC8 compiler for development.
This page synthesizes distributor pricing, drop-in PIC16F1xxx family alternatives, and practical design notes not consolidated in the manufacturer datasheet.
드롭인 대체품: PIC16F1704-I/P — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: PIC16F1704-I/P (동일 폼 팩터 및 풋프린트) — 차이점: Package, ADC, Program Memory (Flash), Operating Temperature, DAC.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
PIC16F1704-E/P
✅ 드롭인✓ 재고 있음
$0.85 / 개
데이터시트 보기 →PIC16F1705-I/P
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
PIC16F1703-I/P
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
PIC16F1574-I/P
✅ 드롭인✓ 재고 있음
$0.91 / 개
데이터시트 보기 →PIC16F1765-I/P
✅ 드롭인✓ 재고 있음
$1.34 / 개
데이터시트 보기 →PIC16F1825-I/P
✅ 드롭인✓ 재고 있음
$1.23 / 개
데이터시트 보기 →PIC16F1704-I/P 최대 정격 & 전기적 특성
| Core Architecture | PIC16 enhanced mid-range 8-bit RISC |
| Program Memory (Flash) | 7 KB (4K x 14 words) |
| RAM | 512 bytes |
| Maximum CPU Speed | 32 MHz |
| Instruction Cycle | 200 ns at 32 MHz |
| Instruction Set Size | 49 instructions, 14-bit word |
| Operating Voltage Range | 1.8 V to 5.5 V |
| ADC | 10-bit, with computation |
| On-chip Operational Amplifiers | Yes (multiple) |
| Core Independent Peripherals | CLC, COG, Zero Cross Detect |
| Peripheral Pin Select (PPS) | Yes |
| 패키지 | 14-pin PDIP (P) |
| 실장 유형 | Through-hole |
| 동작 온도 | -40C to +85C (Industrial -I grade) |
| eXtreme Low Power (XLP) | Yes |
| RoHS 상태 | Compliant |
PIC16F1704-I/P 핀 구성
| 핀 1 | VDD — Positive power supply (1.8V to 5.5V) |
| 핀 2 | RA5 — Bidirectional I/O / analog input |
| 핀 3 | RA4 — Bidirectional I/O / analog input |
| 핀 4 | RA3/MCLR — Input only / Master Clear (reset) input |
| 핀 5 | RC5 — Bidirectional I/O |
| 핀 6 | RC4 — Bidirectional I/O |
| 핀 7 | RC3 — Bidirectional I/O / analog input |
| 핀 8 | RC2 — Bidirectional I/O / analog input |
| 핀 9 | RC1 — Bidirectional I/O / analog input |
| 핀 10 | RC0 — Bidirectional I/O / analog input |
| 핀 11 | RA2 — Bidirectional I/O / analog input |
| 핀 12 | RA1 — Bidirectional I/O / analog input |
| 핀 13 | RA0 — Bidirectional I/O / analog input |
| 핀 14 | VSS — Ground reference |
일반적인 애플리케이션
PIC16F1704-I/P 적합 용도: 6 애플리케이션s: LED Lighting Control, Battery-Powered IoT Sensor Node, Sensor Signal Conditioning, Small Motor Control (BLDC / Stepper), Consumer Appliance Control, Power Supply Digital Monitoring & Control.
LED Lighting Control
The PIC16F1704-I/P is well-suited for LED driver and lighting control applications, leveraging its Complementary Output Generator (COG) for precise dead-band control in switching topologies, 10-bit ADC with computation for closed-loop current sensing, and on-chip op amps for transimpedance amplifier signal conditioning. The PIC16F1704's COG can generate complementary PWM outputs with programmable dead time, eliminating the need for external gate-driver timing circuits. At 32 MHz, the device can execute complex lighting algorithms including dimming curves, color mixing (RGB/RGBW), and thermal foldback. The XLP sleep mode below 1 µA enables always-on standby with mains power sensing via Zero Cross Detect, supporting Energy Star standby requirements. Use it in retrofit bulbs, architectural lighting, and industrial task lighting where analog integration reduces BOM cost.
추천
Battery-Powered IoT Sensor Node
For battery-powered IoT sensor nodes, the PIC16F1704-I/P delivers eXtreme Low Power (XLP) sleep currents below 1 µA, enabling multi-year battery life on a single CR2032 coin cell. The 32 MHz HFINTOSC plus 31 kHz LFINTOSC support dynamic clock switching, where the CPU runs at high speed for sensor reads and computation then sleeps at low frequency for idle periods. The 10-bit ADC with computation automates averaging and threshold detection without CPU wakeup, while Core Independent Peripherals (CLC, COG) can trigger wake events from external signals. The wide 1.8V to 5.5V VDD range accommodates depleted battery scenarios down to 1.8V. Suitable for wireless sensor nodes (with external radio like MRF24XA), smart home sensors, and wearable health monitoring patches.
추천
Sensor Signal Conditioning
The PIC16F1704-I/P's on-chip operational amplifiers make it ideal for sensor signal-conditioning applications, eliminating the need for external op amp ICs. The integrated op amps can be configured as instrumentation amplifiers, transimpedance amplifiers for photodiodes, or active filters for thermocouple and RTD inputs. Combined with the 10-bit ADC and 512 bytes RAM, the PIC16F1704 can perform linearization, calibration, and digital filtering in firmware. Peripheral Pin Select (PPS) allows flexible routing of op amp outputs to ADC inputs without external muxing. This suits pressure transducers, gas sensors, flow meters, and strain gauge bridges in industrial instrumentation where BOM consolidation is critical.
추천
Small Motor Control (BLDC / Stepper)
For small motor control including BLDC and stepper motor drives, the PIC16F1704-I/P's Complementary Output Generator (COG) provides hardware-generated complementary PWM with programmable dead-band delay, critical for safe half-bridge switching. The 10-bit ADC with computation can sample back-EMF for sensorless BLDC commutation at low cost. With Peripheral Pin Select, PWM outputs can be routed to any I/O pin, simplifying PCB layout for H-bridge gate drivers. The 32 MHz CPU executes Field-Oriented Control (FOC) loops for small fans and pumps. Operating from 1.8V to 5.5V supports direct MCU connection to 3.3V gate drivers. Ideal for small appliance motors, computer fans, and consumer pump controllers.
추천
Consumer Appliance Control
The PIC16F1704-I/P suits consumer appliance control boards including coffee makers, rice cookers, air purifiers, and small kitchen appliances. Its on-chip op amps interface directly with NTC thermistors for temperature control loops, while the 10-bit ADC monitors heater current via shunt resistors. Zero Cross Detect (ZCD) enables AC mains zero-voltage switching for triac-controlled heating elements, reducing EMI and extending relay/triac life. The 32 MHz CPU runs PID control loops and user interface logic (button scanning, LED indication) simultaneously. XLP deep sleep below 1 µA supports Energy Star standby compliance for plug-in appliances. The 14-pin PDIP package eases through-hole prototyping and small-volume manufacturing.
추천
Power Supply Digital Monitoring & Control
In digital power supply monitoring roles, the PIC16F1704-I/P functions as a housekeeping MCU for sequencing, fault logging, and PMBus/I2C communication in AC-DC or DC-DC converters. The on-chip op amps monitor output voltage and current sense amplifiers, while the 10-bit ADC provides telemetry for voltage, current, and temperature. CLC peripherals implement hardware-based fault comparators that trigger shutdown independently of the CPU. The 32 MHz execution supports real-time PMBus protocol handling and event logging. XLP sleep mode allows the MCU to remain always-on for fault detection while consuming minimal standby current. Suitable for server PSUs, telecom rectifiers, and industrial DIN-rail supplies requiring monitoring plus housekeeping.
추천
추천 제품 요약
엔지니어링 참조 데이터: PIC16F1704-I/P — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | PIC16F1704-E/P | PIC16F1705-I/P | PIC16F1703-I/P | PIC16F1574-I/P | PIC16F1765-I/P | PIC16F1825-I/P |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 14-pin PDIP (P) | 14-pin PDIP (P) - same | 14-pin PDIP (P) - same | 14-pin PDIP (P) - same | 14-pin PDIP (P) - same | 14-pin PDIP (P) - same | 14-pin PDIP (P) - same |
| Flash Memory | 7 KB | 7 KB | 14 KB | 7 KB | 7 KB | 14 KB | 14 KB |
| RAM | 512 bytes | 512 bytes | 1 KB | 512 bytes | 512 bytes | 1 KB | 1 KB |
| CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| On-chip Op Amps | Yes (multiple) | Yes (multiple) | Yes (multiple) | Yes (reduced) | No | Yes (enhanced) | No |
| Core Independent Peripherals (CLC/COG/ZCD) | Full set | Full set | Full set | Reduced | Partial | Full set | Minimal |
| Temperature Grade | Industrial -40C to +85C | Extended -40C to +125C | Industrial -40C to +85C | Industrial -40C to +85C | Industrial -40C to +85C | Industrial -40C to +85C | Industrial -40C to +85C |
주요 차별점
- Integrated on-chip operational amplifiers (vs PIC16F1574-I/P)
- Full Core Independent Peripherals set (vs PIC16F1703-I/P)
- Wider operating voltage and lower power (vs PIC16F1825-I/P)
설계 노트
Decouple VDD with a 100 nF ceramic capacitor placed within 5 mm of the VDD pin (pin 1) and a bulk 10 µF tantalum or ceramic capacitor at the board power input. The PIC16F1704's internal voltage regulator requires low-ESR bulk capacitance for stable operation across temperature. For battery applications, add a 10 µF capacitor near the MCU to handle inrush during transmit events of companion radios. Estimate: peak inrush from a 2.4 GHz radio is 30 mA over 1 ms, requiring a capacitor that holds VDD above 1.8V during this transient.
Always configure the MCLR pin (pin 4) with a 10 kΩ pull-up to VDD; leaving MCLR floating causes erratic resets and unreliable programming. When using MCLR as RA3 input only, the pin can only be used as a digital input, not output. The PPS feature requires careful configuration in firmware before alternate peripheral functions become active on the chosen pins - peripherals do not auto-route. Configure PPS during initialization before enabling peripherals.
Place the ICSP header (PGD/PGC) footprint on the PCB even if not populated, allowing field firmware updates via PICkit 3/4. Route PGD (RC4) and PGC (RC5) traces as short as possible to minimize programming noise. If using op amp outputs near the ADC input, add a small RC filter (100Ω + 100pF) to limit ADC sample bandwidth. Place the 14-pin PDIP footprint with adequate clearance for ICSP clip attachment during bring-up.
When using the on-chip op amps to drive the ADC, ensure the op amp output impedance is below 1 kΩ at the ADC sampling frequency to avoid conversion errors. Use the ADC with the internal FRC oscillator and adequate acquisition time (minimum 1 µs). For sensor signals below 100 mV, enable the ADC's differential mode or use an external low-noise reference. Route analog and digital traces on opposite PCB layers with a ground plane between them to minimize digital switching noise coupling into sensitive analog inputs.
Keep the 32 MHz HFINTOSC trace short to avoid radiated EMI. If an external crystal is used, place it within 5 mm of the OSC1/OSC2 pins with a grounded guard ring. The COG complementary outputs should drive the gate driver with short (<25 mm) traces and a 10Ω series damping resistor to limit ringing. Add bulk capacitance (10 µF) near high-current switching nodes to minimize ground bounce.
규정 준수 정보
RoHS and REACH compliant per Microchip product page. Lead-free (Pb-free) terminations. Not AEC-Q100 qualified; for automotive, consider PIC16F1704-E/P extended grade. Halogen-free status not explicitly stated in verified data.
