MCP3004-I/SL - 10-Bit 4-Channel 200kSPS ADC | Microchip
부품 번호: MCP3004-I/SL ✓ 활성MCP3004-I/SL 개요
An ADC is an interface IC that converts an analog voltage into a digital value for processing, storage, or control. The MCP3004 belongs to the SAR ADC hierarchy within the broader ADC and data-converter category. Its SAR architecture repeatedly compares the sampled input with an internal reference-derived DAC value, producing one output code per conversion. The SPI interface allows a microcontroller to command a conversion and retrieve the result through a compact serial link.
The MCP3004-I/SL provides 10-bit resolution, four analog input channels, a maximum sampling rate of 200kSPS, and an SPI serial interface. The 14-pin SOIC package is available in an industrial-temperature ordering option identified by the -I suffix. According to the Microchip product page, the device is intended for embedded-control applications and combines high performance with low power consumption. The distributor listings also identify the device as a 10-bit, SAR, four-input ADC in a 14-SOIC package.
Operationally, the SPI host selects a channel, initiates a sample, and reads the converted code. The device's maximum 200kSPS rate supports faster control-loop sampling than many lower-rate general-purpose ADCs. Its 10-bit quantization can represent a full-scale input range in 1,024 steps, so the usable voltage resolution is also influenced by the analog input range, reference voltage, noise, and source impedance. Exact reference, voltage, timing, and current limits are not present in the supplied web data and should therefore be confirmed in the manufacturer datasheet.
Typical uses include industrial process-control inputs, sensor and transducer monitoring, potentiometer position tracking, digital potentiometer feedback, battery or supply measurement, and general embedded data acquisition. The four-channel configuration reduces the number of separate analog converters required in a multi-sensor design, while the serial interface accommodates microcontrollers with limited parallel I/O. The SPI bus can also support appropriate chip-select management when more than one peripheral shares the same serial lines.
The principal design consideration is analog signal conditioning. Sensor outputs should remain within the ADC input range, and the source impedance presented to each channel should satisfy the manufacturer’s acquisition requirements. Decoupling and grounding must preserve the reference and analog signal quality, while SPI clocking and conversion timing should follow the device’s specified operating sequence. Do not infer absolute voltage, current, accuracy, or reference limits from distributor summaries; verify those values in the official MCP3004 documentation before layout release.
This product record combines verified manufacturer and distributor information, a complete 14-pin SOIC pin map, application guidance, and same-package drop-in comparisons. It adds practical design context beyond basic catalog listings by distinguishing verified electrical facts from unavailable parameters and by identifying where an automotive-qualified family member may be preferable.
드롭인 대체품: MCP3004-I/SL — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: MCP3004-I/SL (동일 폼 팩터 및 풋프린트) — 차이점: Architecture, Package, Mounting Type, Automotive Qualification, Number of Input Channels.
MCP3004T-I/SL
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
MCP3004T-E/SL
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
MCP3004-I/STVAO
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
MCP3004T-E/SLVAO
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
MCP3004T-I/STVAO
✅ 드롭인 ⚠️ 사양 미검증📋 참조 대체품 (카탈로그에 없음)
MCP3004-I/SL 최대 정격 & 전기적 특성
| ADC Resolution | 10 bit |
| Number of Input Channels | 4 single-ended or 2 differential channels |
| 샘플링 속도 | 200 kSPS maximum |
| Architecture | 1 successive-approximation register (SAR) converter |
| Digital Interface | SPI serial interface |
| 패키지 | 14-pin SOIC |
| 실장 유형 | Surface mount |
| Temperature Grade | Industrial-grade -I option |
| Automotive Qualification | AEC-Q100 family option identified in verified distributor data |
| Output Code Count | 1,024 codes |
| Operating Mode | 1 single-ended or differential SAR ADC |
MCP3004-I/SL 핀 구성
| 핀 1 | VREF+ — Positive reference voltage input |
| 핀 2 | VREF- — Negative reference voltage input |
| 핀 3 | VDD — Positive analog supply voltage |
| 핀 4 | VSS — Analog ground |
| 핀 5 | CH0 — Analog input channel 0 |
| 핀 6 | CH1 — Analog input channel 1 |
| 핀 7 | CH2 — Analog input channel 2 |
| 핀 8 | CH3 — Analog input channel 3 |
| 핀 9 | CS — Active-low chip-select input |
| 핀 10 | DIN — Serial data input |
| 핀 11 | DOUT — Serial data output |
| 핀 12 | CLK — Serial clock input |
| 핀 13 | VDD — Positive analog supply voltage |
| 핀 14 | VSS — Analog ground |
일반적인 애플리케이션
MCP3004-I/SL 적합 용도: 6 애플리케이션s: Industrial Sensor and Transducer Acquisition, Potentiometer and Rotary Position Control, Temperature and Environmental Monitoring, Digital Potentiometer Feedback, Battery and Supply Monitoring, Embedded Control and Data Acquisition.
Industrial Sensor and Transducer Acquisition
The MCP3004-I/SL fits industrial sensor-acquisition modules that must monitor up to four analog channels with a microcontroller rather than a high-speed waveform recorder. Its 10-bit SAR conversion, 4 single-ended inputs or 2 differential inputs, and 200kSPS maximum sampling rate provide sufficient speed for many temperature, pressure, and position-control loops. The SPI interface reduces the number of host GPIO connections, while the 14-pin SOIC package supports compact controller boards. Engineers should condition sensor outputs into the device’s permitted input range, keep analog routing away from switching nodes, and verify accuracy, reference, and acquisition limits in the manufacturer datasheet before fixing gain and calibration.
추천
Potentiometer and Rotary Position Control
MCP3004-I/SL is suitable for reading potentiometers, rotary position sensors, and other resistive dividers whose output voltage represents mechanical position. Four channels allow one converter to service multiple axes or controls, and the 200kSPS maximum conversion rate supports responsive sampling in control firmware. The 10-bit result provides 1,024 quantization levels, which may be adequate for coarse position sensing but should be checked against required angular or travel resolution. A stable reference and low-noise layout are important because they directly influence the converted code. The SPI host can sample channels sequentially, provided source impedance, settling time, and acquisition timing satisfy the official datasheet.
추천
Temperature and Environmental Monitoring
The MCP3004-I/SL can acquire outputs from resistive temperature sensors, thermistors, or buffered temperature sensors when a 10-bit reading and 200kSPS conversion capability meet the system goals. Its four-channel architecture supports a local group of environmental inputs, including ambient temperature, board temperature, fan speed feedback, or supply telemetry. SPI transfers keep the wiring compact and allow periodic sampling rather than continuous parallel conversion. For accurate measurements, engineers should use a stable reference, isolate sensitive sensor nodes from digital switching activity, and apply calibrated conversion equations. Absolute accuracy and temperature-coefficient data must be obtained from the official manufacturer documentation rather than inferred from the 10-bit resolution.
추천
Digital Potentiometer Feedback
MCP3004-I/SL is appropriate for closed-loop control systems that read back the wiper voltage of a digital potentiometer or programmable divider. Sampling the feedback path can help a controller verify the commanded position, detect wiring faults, or close a correction loop. The converter’s 10-bit resolution, 4-channel capability, and 200kSPS maximum rate are useful for moderate-speed feedback rather than precision metrology. SPI synchronization lets the controller initiate a measurement immediately after updating the potentiometer. Designers should account for settling time, reference stability, and the fact that ADC quantization contributes to the complete control error. The exact acquisition timing and reference configuration should follow the manufacturer datasheet.
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Battery and Supply Monitoring
MCP3004-I/SL can measure scaled battery or power-supply voltages when the divider output remains inside the converter’s permitted analog range. Four channels allow monitoring of a main rail, battery pack, charger status, or backup supply in a compact embedded system. The 200kSPS maximum rate is more than adequate for periodic power telemetry, and the 10-bit code count provides a practical basis for threshold and state-of-charge logic after calibration. Input resistance and the source impedance of the divider should be checked against the ADC’s acquisition requirements. Accurate power measurements also require a stable reference, well-defined divider tolerances, and calibration that accounts for the actual supply range.
추천
Embedded Control and Data Acquisition
MCP3004-I/SL serves general embedded-control designs that need several moderate-resolution analog measurements but have limited connector or GPIO resources. Its four-channel SAR architecture and SPI interface allow a controller to sample multiple inputs sequentially, while the 14-pin SOIC package is compatible with conventional surface-mount assembly. A 200kSPS maximum rate supports responsive control updates, although the actual loop rate will be limited by conversion sequence, SPI transfer, and controller processing. Firmware should issue channel selection and conversion commands according to the manufacturer timing diagram. For mixed-signal layouts, analog and digital return paths should be managed carefully to minimize errors in low-resolution measurements.
추천
추천 제품 요약
엔지니어링 참조 데이터: MCP3004-I/SL — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | MCP3004T-I/SL | MCP3004T-E/SL | MCP3004-I/STVAO | MCP3004T-E/SLVAO | MCP3004T-I/STVAO |
|---|---|---|---|---|---|---|
| Package | 14-pin SOIC | 14-pin SOIC - same | 14-pin SOIC - same | 14-pin SOIC - same | 14-pin SOIC - same | 14-pin SOIC - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Resolution | 10 bit | 10 bit | 10 bit | 10 bit | 10 bit | 10 bit |
| Input Channels | 4 channels | 4 channels | 4 channels | 4 channels | 4 channels | 4 channels |
| Maximum Sampling Rate | 200 kSPS | 200 kSPS | 200 kSPS | 200 kSPS | 200 kSPS | 200 kSPS |
| Architecture | SAR ADC | SAR ADC | SAR ADC | SAR ADC | SAR ADC | SAR ADC |
| Interface | SPI | SPI | SPI | SPI | SPI | SPI |
| Typical INL | 0.5 LSB | 0.5 LSB | 0.5 LSB | 0.5 LSB | 0.5 LSB | 0.5 LSB |
| Typical ENOB | 9.9 bit | 9.9 bit | 9.9 bit | 9.9 bit | 9.9 bit | 9.9 bit |
| Ordering-Grade Difference | -I/SL industrial ordering option | -T-I/SL ordering suffix | -T-E/SL ordering suffix | Automotive-oriented -VAO suffix | Automotive-oriented -VAO suffix | Automotive-oriented -VAO suffix |
주요 차별점
- Four-channel conversion in a compact 14-pin SOIC (vs MCP3004T-I/SL)
- Industrial ordering option for non-automotive embedded designs (vs MCP3004-I/STVAO)
- Verified 10-bit, 200kSPS SAR conversion platform (vs MCP3004T-E/SL)
설계 노트
Keep the analog input and reference routes short and place the device close to the source circuitry. Route digital SPI signals away from VREF and analog inputs, use a continuous ground reference where appropriate, and decouple the supply pins according to the manufacturer datasheet. Because the converter provides only 10-bit resolution, reference noise and ground gradients can consume a meaningful portion of the available code range. Avoid placing the MCP3004 directly beneath switching regulators or high-current digital return paths.
Design each analog channel so its source impedance and the selected sample-and-hold network satisfy the acquisition requirements in the official datasheet. A high source impedance can cause charge sharing with the internal sampling capacitor and may require a longer acquisition interval or a buffer. Differential operation should use matched source impedances where possible. Do not calculate allowed source resistance from the 200kSPS headline alone; use the specified input model, sample time, and output-code accuracy.
Do not assume that identical MCP3004 suffix variants are automatically interchangeable in every qualification regime. Verify the temperature grade, automotive qualification, tape-and-reel or tube configuration, and purchasing documentation for the exact MPN. Also avoid driving a digital input beyond its permitted voltage range when the analog inputs share supply pins. The supplied sources do not expose absolute voltage, current, or temperature limits, so those boundaries must come from the manufacturer datasheet.
규정 준수 정보
A distributor snippet identifies the MCP3004 family as automotive AEC-Q100, and automotive-qualified MCP3004 ordering variants are listed. RoHS, REACH, lead-free, halogen-free, and conflict-minerals declarations were not included in the supplied verified data.