C8051F018 - 25MHz 16KB Mixed-Signal MCU | Silicon Labs
Артикул: C8051F018 ✓ АктивенC8051F018 Обзор
A mixed-signal microcontroller is an MCU that integrates digital control functions with analog measurement peripherals. In the hierarchy of semiconductor devices, the C8051F018 belongs to the 8-bit microcontroller class, combines a CIP-51-compatible processing core with embedded flash and RAM, and uses the mixed-signal MCU category to bridge digital processing and analog signal acquisition. Its two SAR ADCs can operate as two single-ended converters or as one differential converter.
Key features include 16 KB of program flash, 1.25 KB of RAM, a maximum clock speed of 25 MHz, and a 2.8 V to 3.6 V supply range. The advertised 25 MIPS execution rate supports deterministic embedded control, while the two 16-bit SAR ADCs provide programmable throughput up to 1 Msps and guaranteed no missing codes with ±0.75 LSB integral nonlinearity. In-system programming supports firmware programming and updates without a separate external programming interface.
The C8051F018 belongs to the C8051F018/9 mixed-signal family, whose enhancements extend both the CIP-51 core and the integrated analog peripherals. Its two ADCs support single-ended and differential operating modes, and direct memory access allows acquired data to be stored in RAM without intervention by software. These characteristics make the device suitable for designs requiring concurrent control processing and high-resolution analog measurement.
Typical applications include industrial process control, sensor instrumentation, data acquisition, consumer equipment, and embedded systems that need more ADC resolution than a conventional 8-bit or 10-bit microcontroller input. The 64-TQFP package provides 64 external connections, while the 16 KB flash capacity is suitable for compact embedded control firmware. For battery-operated equipment, the 2.8 V to 3.6 V operating supply supports common low-voltage system rails.
Designers should verify the complete pin assignment, oscillator requirements, analog-reference configuration, and peripheral multiplexing against the Silicon Labs datasheet before layout. The 10 x 10 mm TQFP footprint also requires adequate copper and solderability verification for the intended production process. Because the supplied data does not expose complete electrical timing, environmental, and package-limit tables, those values should not be inferred from distributor summaries.
This page consolidates the verified C8051F018 specifications, current distributor pricing and stock information, same-family alternatives, application guidance, and design cautions. It also distinguishes documented parameters from unavailable details so engineers can make sourcing and design decisions without treating incomplete distributor summaries as complete manufacturer specifications.
Аналоги без доработки для C8051F018 — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Варианты в этой серии
Модели той же серии, совместимые без доработки с C8051F018 (тот же форм-фактор и посадочное место) — отличается по Package, ADC Throughput, Core, Product Type, RAM Size.
C8051F016
✅ Прямая заменаУточнить цену
Открыть даташит →C8051F017
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
C8051F019
✅ Прямая заменаУточнить цену
Открыть даташит →C8051F018 Максимальные параметры и электрические характеристики
| Product Type | 8-bit mixed-signal microcontroller |
| Максимальная тактовая частота | 25 MHz |
| Maximum Execution Rate | 25 MIPS |
| Program Memory | 16 KB flash |
| Program Memory Organization | 16K x 8 bits |
| RAM Size | 1.25K x 8 bits (1.25 KB) |
| ADC Architecture | Two 16-bit SAR ADCs |
| ADC Throughput | Programmable up to 1 Msps |
| ADC Input Modes | Two single-ended inputs or one differential input |
| ADC Integral Nonlinearity | ±0.75 LSB |
| ADC Missing Codes | Guaranteed none |
| Supply Voltage Range | 2.8 V to 3.6 V |
| Programming Method | In-system programming (ISP) |
| Корпус | 64-TQFP, 10 x 10 mm |
| Тип монтажа | Surface mount |
| Direct Memory Access | Supported |
Руководство по цоколевке C8051F018 в корпусе 64-tqfp, 10 x 10 mm
Цоколевка для C8051F018 (корпус 64-tqfp, 10 x 10 mm). Эта цифровая ИС включает выводы GPIO, интерфейсы связи (UART, SPI, I2C) и выводы питания. Обратитесь к техническому описанию производителя для альтернативных функций выводов и вариантов конфигурации. Необходимо для проектирования встраиваемых систем и трассировки печатных плат.
Нет подробных данных о распиновке для C8051F018.
Обратитесь к даташиту для полной конфигурации выводов.
Типичное применение
C8051F018 подходит для 6 применениеs: Industrial Sensor Instrumentation, High-Resolution Data Acquisition, Process Control Embedded System, Consumer Measurement Device, Battery-Powered Sensor Node, Mixed-Signal Embedded Control.
Industrial Sensor Instrumentation
The C8051F018 fits industrial sensor instrumentation because it combines two 16-bit SAR ADCs with a 25 MHz, 25 MIPS processing core in a 64-TQFP package. The converters can sample two single-ended signals or one differential signal at programmable rates up to 1 Msps, while ±0.75 LSB INL and guaranteed no missing codes support high-resolution acquisition. A sensor front end can therefore send measurements directly into RAM through DMA before the MCU processes filtering, compensation, and control functions. The 2.8 V to 3.6 V supply range suits compact low-voltage instrumentation, although the final analog front-end design must account for the exact ADC input limits in the complete datasheet.
Рекомендуется
High-Resolution Data Acquisition
The C8051F018 is appropriate for embedded data-acquisition systems requiring more resolution and throughput than a basic 8-bit MCU ADC. Its two 16-bit SAR ADCs provide programmable operation up to 1 Msps and can be configured for two single-ended channels or one differential channel. Direct memory access allows conversion results to be stored in the verified 1.25 KB of RAM without software intervention, reducing processor burden during acquisition. The 25 MIPS execution capability can then handle filtering and packet preparation. Designers should budget RAM carefully and verify the datasheet's acquisition timing, reference requirements, and analog input topology before selecting sampling and conversion rates.
Рекомендуется
Process Control Embedded System
The C8051F018 can serve as the control core in a compact industrial process-control subsystem because it combines deterministic 25 MHz execution with two integrated 16-bit SAR ADCs. Inputs from pressure, temperature, or position sensors can be acquired in single-ended or differential configurations, while the 25 MIPS core handles set-point logic, state machines, and actuator coordination. ISP flash permits firmware updates in deployed equipment. For a practical design, place analog and digital sections according to the manufacturer's recommendations, isolate sensitive sensor routing from switching nodes, and confirm the missing operating-temperature, electrical-limit, and pin-level details in the manufacturer datasheet.
Рекомендуется
Consumer Measurement Device
The C8051F018 is suitable for consumer measurement devices where a compact MCU must acquire analog signals and perform local processing without an external ADC. Two 16-bit SAR ADCs can support dual-sensor or differential measurement, and the 16 KB ISP flash provides space for firmware, calibration logic, and configuration handling. Its 2.8 V to 3.6 V operating range is compatible with common compact-system rails. In a consumer product, engineers should verify start-up behavior, analog reference stability, ADC input impedance, and available RAM before locking the measurement architecture. The complete package pin map must also be checked because it was not present in the supplied verified excerpts.
Рекомендуется
Battery-Powered Sensor Node
The C8051F018 can support low-voltage sensor-node designs that integrate measurement and control in one mixed-signal MCU. Its verified 2.8 V to 3.6 V supply range accommodates common embedded rails, while two 16-bit SAR ADCs reduce the need for separate analog converters. Low-power suitability still requires careful firmware and peripheral use because the supplied excerpts do not provide sleep-current or shutdown-current values. A production design should compare active and standby consumption from the full manufacturer datasheet, disable unused converters and peripherals, and select the ADC reference and sampling mode that minimize energy use without sacrificing measurement resolution.
Рекомендуется
Mixed-Signal Embedded Control
The C8051F018 targets embedded-control designs in which digital processing and analog acquisition must operate concurrently on one MCU. The 25 MHz core provides a 25 MIPS execution rate, the two 16-bit SAR ADCs support programmable throughput up to 1 Msps, and DMA can transfer ADC data into the 1.25 KB of internal RAM without software handling. This arrangement is useful for closed-loop controls, digital filtering, and signal-conditioned sensor systems. Layout and firmware decisions should account for analog-reference quality, acquisition timing, RAM allocation, and firmware update procedures. Because the supplied data does not expose the complete pinout or peripheral timing tables, those details must be validated against the manufacturer datasheet before schematic release.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для C8051F018 — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | C8051F016 | C8051F017 | C8051F019 |
|---|---|---|---|---|
| Package | 64-TQFP (10x10) | 64-TQFP (10x10) | 64-TQFP (10x10) | 64-TQFP (10x10) |
| Brand | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs |
| Product Type | 8-bit mixed-signal MCU | 8-bit mixed-signal MCU | 8-bit mixed-signal MCU | 8-bit mixed-signal MCU |
Ключевые отличия
- Higher ADC resolution than a basic 10-bit MCU input (против C8051F016)
- 25 MIPS processing performance (против C8051F017)
- Programmable differential or dual single-ended ADC operation (против C8051F019)
Заметки по проектированию
Route analog inputs and the reference network away from digital clocks, programming signals, and switching-power nodes. The verified data confirms two 16-bit SAR ADCs but does not provide the complete recommended-layout drawing, so consult the manufacturer schematic and layout guidance before assigning sensitive pins or grounding the analog section.
Design the supply network for the verified 2.8 V to 3.6 V operating range and provide local decoupling at the device's power pins. The supplied excerpts do not identify the exact decoupling values, ESR requirements, or supply-current limits, so these must be obtained from the manufacturer datasheet and reference schematic rather than assumed.
Do not treat a same-family MCU as a drop-in replacement without checking the complete pin table, boot and ISP interface, ADC channel assignments, oscillator pins, and peripheral mapping. The alternatives in this record are same-family 64-TQFP devices, but the supplied excerpts do not expose all electrical and peripheral differences needed for unconditional interchangeability.
Account for ADC acquisition time, source impedance, sampling-capacitor settling, and the selected 16-bit conversion rate. The verified specification states programmable throughput up to 1 Msps, but it does not provide the complete acquisition-window or input-impedance curves. Confirm those values and include the sensor or conditioning circuit's output impedance in the timing budget.
Use the manufacturer thermal information for the 64-TQFP package and assess dissipation at the system's maximum clock, analog-conversion, and I/O loading conditions. The supplied web excerpts do not contain junction-temperature limits, package thermal resistance, or power-consumption curves, so no numerical thermal result can be verified from the available data.
Информация о соответствии
The supplied C8051F018 search results do not provide definitive compliance declarations for this exact device. AEC-Q100 status is recorded as unknown because the permitted compliance value set does not define an unknown option for that field.
