PIC16LF1783-I/SS - 8-bit MCU, 7KB Flash, 12-bit ADC, 8-bit DAC | Microchip
料号： PIC16LF1783-I/SS ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $2.18 | $2.18 |
| 10 | $1.96 | $19.60 |
| 100 | $1.74 | $174.00 |
| 500 | $1.55 | $775.00 |
| 1,000 | $1.36 | $1,360.00 |
PIC16LF1783-I/SS 概述
A microcontroller (MCU) is a single-chip computer containing a CPU core, non-volatile program memory, volatile data memory, and peripheral subsystems such as ADC, timers, and communication interfaces. Within the broader taxonomy, the PIC16LF1783 sits in the 8-bit MCU class -> RISC microcontroller -> embedded controller -> semiconductor. Its 'LF' prefix indicates the low-voltage/low-power 'F' (Flash) family; the '1783' identifies a specific PIC16F17xx sub-family member. Designers select this class for cost-sensitive deterministic control where low power and rich analog integration outweigh raw throughput.
Key features include nanoWatt XLP extreme-low-power technology (typical sleep current below 50 nA), two internal 32MHz oscillators, a 32kHz low-power oscillator for RTC, multiple communication peripherals (I2C/SPI/EUSART), and an internal temperature indicator. The PIC16LF1783-I/SS is engineered for battery-friendly sensor nodes and energy-harvesting designs where quiescent current and analog precision dominate system architecture decisions.
Architecturally, the device uses a Harvard RISC core with a 14-bit instruction word optimized for compiled C code, supported by a hardware multiplier and a 16-level stack. The integrated 12-bit ADC and 8-bit DAC, combined with three on-chip op-amps, allow direct interface to bridge sensors and audio DACs without external signal conditioning, reducing both BOM cost and PCB area in compact mixed-signal designs.
Typical applications include LED lighting controllers, battery-powered sensor hubs, low-power IoT edge nodes, precision instrumentation, and consumer appliances such as coffee machines and induction cooktops. The wide operating range (1.8V to 3.6V) and nanoWatt XLP technology make it a strong fit for systems powered from coin cells or single-cell Li-ion where every microamp matters.
When designing with this device, carefully budget the ADC acquisition time, route analog and digital grounds as a star, and add a 0.1uF decoupling capacitor close to each supply pin. Designers migrating from older PIC16F77x parts should review the 16F17xx peripheral library, because register names and PPS mappings differ.
直接替换替代料： PIC16LF1783-I/SS ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： PIC16LF1783-I/SS （相同外形与封装尺寸） ——差异在于 Package, Operating Temperature, Comparators, Communication, I/O Pins.
快速对比工具——选择替代料号进行并排对比：
PIC16F1783-I/SS
✅ 直接替换✓ 有现货
$1.97 / 个
查看数据手册 →PIC16LF1783-E/SS
✅ 直接替换✓ 有现货
$1.84 / 个
查看数据手册 →PIC16LF1783-I/ML
✅ 直接替换✓ 有现货
$1.55 / 个
查看数据手册 →PIC16LF1782-I/SO
✅ 直接替换✓ 有现货
$1.55 / 个
查看数据手册 →PIC16LF1768-I/SS
✅ 直接替换✓ 有现货
$0.86 / 个
查看数据手册 →PIC16LF1783-I/SS 最大额定值与电气特性
| Core Architecture | 8-bit PIC16 RISC (Harvard) |
| Program Memory | 7 KB (4K x 14 words) Flash |
| Data SRAM | 512 bytes |
| EEPROM | 256 bytes |
| Maximum CPU Speed | 32 MHz |
| Supply Voltage Range | 1.8 V to 3.6 V |
| ADC | 12-bit, up to 14 channels |
| DAC | 8-bit |
| On-chip Op-amps | 3 |
| 封装 | 28-pin SSOP (5.30 mm) |
| 工作温度 | -40 C to +85 C (Industrial) |
| I/O Pins | 25 |
| Communication | I2C, SPI, EUSART (RS-485 RS-232) |
| Low-Power Technology | nanoWatt XLP |
| 安装类型 | Surface Mount |
| MSL 等级 | 1 |
| RoHS 状态 | Compliant |
PIC16LF1783-I/SS 引脚配置
| 引脚 1 | RA2/AN2 — Port A bit 2 / Analog input 2 |
| 引脚 2 | RA3/AN3 — Port A bit 3 / Analog input 3 / VREF+ |
| 引脚 3 | RA4/AN4 — Port A bit 4 / Analog input 4 |
| 引脚 4 | RA5/AN5 — Port A bit 5 / Analog input 5 |
| 引脚 5 | VDD — Positive supply (1.8V-3.6V) |
| 引脚 6 | VSS — Ground reference |
| 引脚 7 | OSC1/RA7 — Crystal oscillator input / Port A bit 7 |
| 引脚 8 | OSC2/RA6 — Crystal oscillator output / Port A bit 6 |
| 引脚 9 | RC0/SOSCO — Port C bit 0 / SOSC crystal output |
| 引脚 10 | RC1/SOSCI — Port C bit 1 / SOSC crystal input |
| 引脚 11 | RC2 — Port C bit 2 |
| 引脚 12 | RC3 — Port C bit 3 |
| 引脚 13 | RC4 — Port C bit 4 |
| 引脚 14 | RC5 — Port C bit 5 |
| 引脚 15 | RC6 — Port C bit 6 |
| 引脚 16 | RC7 — Port C bit 7 |
| 引脚 17 | RB0/INT — Port B bit 0 / External interrupt |
| 引脚 18 | RB1 — Port B bit 1 |
| 引脚 19 | RB2 — Port B bit 2 |
| 引脚 20 | RB3 — Port B bit 3 |
| 引脚 21 | RB4 — Port B bit 4 |
| 引脚 22 | RB5 — Port B bit 5 |
| 引脚 23 | RB6/PGC — Port B bit 6 / ICSP clock |
| 引脚 24 | RB7/PGD — Port B bit 7 / ICSP data |
| 引脚 25 | RA0/AN0 — Port A bit 0 / Analog input 0 |
| 引脚 26 | RA1/AN1 — Port A bit 1 / Analog input 1 |
| 引脚 27 | VSS — Ground reference |
| 引脚 28 | VDD — Positive supply (1.8V-3.6V) |
典型应用
PIC16LF1783-I/SS 适用于 6 应用s: Battery-Powered IoT Sensor Nodes, Precision Instrumentation & Signal Conditioning, LED Lighting Controllers, Consumer Appliance Control (Coffee, Induction), Portable Medical & Health Devices, Automotive Body & Sensor Modules.
Battery-Powered IoT Sensor Nodes
The PIC16LF1783-I/SS is well suited for battery-powered IoT sensor nodes thanks to its 1.8V-3.6V supply range, nanoWatt XLP technology with sleep current below 50 nA typical, and integrated 12-bit ADC. Designers can connect a sensor directly to one of the 14 ADC channels, wake the MCU on an interrupt, take a measurement, transmit via EUSART/SPI, and return to sleep - drawing microamps average current. The 7 KB Flash holds small protocol stacks; the 256-byte EEPROM stores calibration data without external memory.
推荐
Precision Instrumentation & Signal Conditioning
The PIC16LF1783-I/SS integrates three on-chip op-amps, a 12-bit ADC with up to 14 channels, and an 8-bit DAC, allowing precision instrumentation designs to omit external signal-chain ICs. The op-amps can buffer or amplify bridge sensors, thermocouples, or photodiodes before digitization; the DAC provides stimulus or bias generation. At 32 MHz the CPU completes conversions and digital filtering within microseconds, suiting bench-top multimeters, weigh scales, and laboratory data loggers where PCB area and BOM cost dominate.
推荐
LED Lighting Controllers
The PIC16LF1783-I/SS drives LED lighting controllers through its enhanced PWM/CCP modules, programmable switch-mode controller (PSMC), and 32 MHz speed. Designers generate multiple independent dimming channels, smooth color-mixing curves via the 8-bit DAC, and use the 12-bit ADC for ambient-light feedback. The wide 1.8V-3.6V supply lets the same firmware drive 3.3V and 2.0V LED rails. nanoWatt XLP standby reduces off-state consumption in always-connected smart bulbs.
推荐
Consumer Appliance Control (Coffee, Induction)
The PIC16LF1783-I/SS is a strong fit for consumer appliance control boards including coffee machines and induction cooktops, where it manages user interfaces, temperature sensing via the 12-bit ADC, and power-stage timing through PWM/PSMC peripherals. The on-chip op-amps condition thermocouple signals; the 8-bit DAC trims reference voltages. The -40C to +85C industrial temperature grade covers kitchen environments, and the 28-SSOP package is easy to hand-prototype and rework.
推荐
Portable Medical & Health Devices
The PIC16LF1783-I/SS powers portable medical and health monitoring devices such as pulse oximeters, digital thermometers, and pill dispensers, leveraging its low 1.8V operation, nanoWatt XLP technology, and integrated 12-bit ADC. Medical accessory designs benefit from the small SSOP-28 footprint, deterministic 8-bit core for safety-critical timing, and on-chip EEPROM for secure calibration logs. The op-amps amplify biopotential signals while the DAC drives reference bias for opt sensors.
推荐
Automotive Body & Sensor Modules
The PIC16LF1783-I/SS supports non-safety automotive body and sensor modules, including interior lighting controllers, seat-position sensors, and HVAC knobs, when paired with an external automotive-grade voltage regulator. Its 12-bit ADC reads multiple analog sensors, the EUSART interfaces LIN bus stacks via an external transceiver, and the PWM/CCP modules drive small motors. Designers needing full AEC-Q100 qualification should migrate to PIC16F1783-I/SS automotive variants listed by Microchip.
推荐
推荐产品汇总
工程参考数据： PIC16LF1783-I/SS ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | PIC16F1783-I/SS | PIC16LF1783-E/SS | PIC16LF1783-I/ML | PIC16LF1782-I/SO | PIC16LF1768-I/SS |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SSOP | 28-SSOP (same) | 28-SSOP (same) | 28-QFN (pin-compatible die) | 28-SOIC (same) | 28-SSOP (same) |
| Program Memory (Flash) | 7 KB | 7 KB | 7 KB | 7 KB | 3.5 KB | 7 KB |
| 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 |
| Maximum CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| ADC Resolution | 12-bit | 12-bit | 12-bit | 12-bit | 12-bit | 10-bit |
| DAC | 8-bit | 8-bit | 8-bit | 8-bit | 8-bit | 8-bit |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +125C | -40C to +85C | -40C to +85C | -40C to +85C |
| Unit Price (1 pc, USD) | 2.18 | ~2.30 | ~2.45 | ~2.20 | ~1.90 | ~2.10 |
关键差异点
- Lower minimum supply voltage (1.8V vs 2.3V) （对比 PIC16F1783-I/SS)
- QFN-28 alternative shares identical die （对比 PIC16LF1783-I/ML)
- Higher ADC resolution than 10-bit sub-family （对比 PIC16LF1768-I/SS)
设计说明
Place a 0.1uF ceramic decoupling capacitor within 3 mm of each VDD pin (pins 5 and 28) and a bulk 1uF-10uF capacitor near the supply input. The PIC16LF1783-I/SS is sensitive to VDD ripple during ADC conversions; an LDO or ferrite bead upstream of the analog VDD improves ADC noise performance by 1-2 LSBs.
Route analog and digital grounds as a star, with the analog ground pin (VSS pin 27) tied directly to a single quiet ground pour. Avoid running digital switching signals under the ADC input traces. For the SSOP-28 footprint, use a 0.65 mm pitch land pattern and 0.4 mm via-in-pad is NOT recommended for hand-rework boards.
Do not assume the 32 MHz internal oscillator is calibrated at 3.3V; Microchip's datasheet shows +/-2% typical accuracy at room temperature. For UART communications above 115200 baud, switch to the 16 MHz HFINTOSC with PLL or use an external crystal. Also confirm PPS assignments for remappable pins in the configuration words before locking firmware.
The 12-bit ADC on PIC16LF1783-I/SS achieves best SNR when the acquisition time is at least 2 us and the source impedance is below 1 kOhm. Add an external op-amp buffer if your sensor exceeds 1 kOhm. For the 8-bit DAC, drive only high-impedance loads (>10 kOhm) or buffer with one of the three internal op-amps to maintain linearity.
合规信息
RoHS compliant per Microchip product page. Not AEC-Q100 qualified - the standard PIC16LF1783-I/SS targets industrial and consumer applications. Microchip offers AEC-Q100 variants in the PIC16F1783 automotive family. Lead-free reflow profile per JEDEC J-STD-020.
