MCP3004-I/P - 10-Bit, 4-Channel SPI ADC | Microchip
MPN: MCP3004-I/P ✓ Hoạt độngMCP3004-I/P Tóm tắt
What is an ADC? An analog-to-digital converter, or ADC, transforms continuously varying analog voltages into numeric values that a microcontroller or other digital controller can process. The MCP3004 belongs to the SAR ADC category: its successive-approximation register samples an input and performs conversion through a sequence of bit decisions. Within the broader hierarchy, it is an ADC, data-converter IC, interface IC, and embedded-control component.
The MCP3004 supports four analog input channels that can be configured as single-ended inputs or pseudo-differential pairs, as described by the manufacturer documentation. Its SPI interface reduces the number of signal lines required compared with a parallel ADC. The verified family documentation identifies a 2.7 V to 5.5 V operating range, typical standby current of 5 nA, and typical active current of 320 uA, making the device suitable for low-power embedded systems.
The MCP3004-I/P is the 14-pin PDIP package option. The family documentation identifies 10-bit resolution, 200 kSPS sampling, four channels, and differential or pseudo-differential input capability. For a 14-pin PDIP footprint, the package has a 0.300-inch, 7.62 mm lead pitch according to the verified distributor specification data. Exact pin names and full electrical limits should be confirmed against the manufacturer datasheet before PCB release.
Typical applications include industrial control, sensor acquisition, battery-powered instrumentation, temperature monitoring, and low-speed data logging. SPI-compatible microcontrollers can read conversion results while keeping the analog front end separate from the digital control logic. The -I/P suffix denotes the specified ordering variant, while package and temperature details should be checked against the manufacturer product documentation.
A key design consideration is ensuring the analog input voltage stays within the device's valid common-mode and supply limits. Place the input network close to the ADC, provide suitable analog grounding, and keep SPI clock and data traces away from sensitive input nodes. The low active current is valuable, but conversion timing and system clocking still determine the achievable update rate.
This page combines verified manufacturer and distributor information, practical package and interface guidance, and explicit data gaps for parameters not present in the supplied search results. It is intended to help engineers identify whether the MCP3004-I/P matches a 10-bit, four-channel SPI data-acquisition design before completing a detailed datasheet review.
Bộ thay thế dễ dàng lắp đặt cho MCP3004-I/P — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với MCP3004-I/P (cùng hình factor và footprint) — khác nhau ở Architecture, Mounting Type, Package.
MCP3004-I/SL
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MCP3004-I/STVAO
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MCP3004-I/SS
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
MCP3004-I/SO
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
MCP3004-I/SSO
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
MCP3004-I/P Tỷ lệ tối đa & tính chất điện
| Device Type | 10-bit analog-to-digital converter |
| Architecture | Successive approximation register (SAR) |
| Độ phân giải | 10 bit |
| Number of Analog Input Channels | 4 channels |
| Input Configuration | Single-ended or pseudo-differential pairs |
| Maximum Sampling Rate | 200 kSPS |
| Supply Voltage Range | 2.7 V to 5.5 V |
| Typical Standby Current | 5 nA |
| Typical Active Current | 320 uA |
| Serial Interface | SPI |
| Number of Converters | 1 |
| Hộp | 14-pin PDIP |
| Package Lead Pitch | 0.300 in (7.62 mm) |
| Kiểu lắp đặt | Through-hole |
| Differential Inputs | 2 differential inputs or 4 pseudo-differential inputs |
| Differential Nonlinearity | ±1 LSB maximum |
| ENOB | 9.9 bits |
| SFDR | 78 dB typical |
Hướng dẫn cấu hình chân MCP3004-I/P 0.300 in (7.62 mm)
Cấu hình chân cho MCP3004-I/P (0.300 in (7.62 mm) gói). Thành phần số hiệu này có chân đầu vào, đầu ra và nguồn cung cấp. Tham khảo tài liệu thông số kỹ thuật của nhà sản xuất để biết cấu hình chân bù, bù trừ và chân kích hoạt. Hoàn hảo cho điều kiện tín hiệu và mạch khuếch đại.
Không có dữ liệu chân cụ thể sẵn có cho MCP3004-I/P.
Tham khảo: tài liệu kỹ thuật cho cấu hình chân đầy đủ.
Ứng dụng tiêu biểu
MCP3004-I/P phù hợp cho 6 Áp dụngs: Industrial Sensor Acquisition, Battery-Powered Instrumentation, Temperature and Environmental Monitoring, Low-Speed Data Logging, Educational and Prototype Control Systems, Battery Charger and Power Control.
Industrial Sensor Acquisition
The MCP3004-I/P fits industrial sensor acquisition when a controller must monitor four analog channels through a compact SPI interface. Its 10-bit resolution is appropriate for many pressure, level, position, and process-control signals, while the 200 kSPS maximum conversion rate provides ample headroom for routine monitoring loops. The four channels reduce the number of separate converters needed on a control board. Designers should scale each sensor signal into the ADC input range, keep analog routing short, and verify the reference and common-mode requirements in the Microchip datasheet.
Được đề xuất
Battery-Powered Instrumentation
The MCP3004-I/P is useful in battery-powered instrumentation because the verified family documentation reports typical standby current of 5 nA and typical active current of 320 uA. A microcontroller can activate the ADC during periodic measurements and place it back into a low-power state between samples. The device's 2.7 V to 5.5 V operating range supports common low-energy rails, although total system consumption depends on the sensor, reference, pull networks, and SPI activity. Duty-cycled acquisition is generally more effective than keeping the converter active continuously.
Được đề xuất
Temperature and Environmental Monitoring
The MCP3004-I/P can digitize several temperature, humidity, or environmental sensor outputs when the system needs more than one analog measurement channel. Its 10-bit result provides a practical balance between resolution, cost, and conversion speed for many monitoring systems, while SPI makes the results accessible to a small embedded controller. The MCP3004-I/P does not provide the sensor interface itself, so each signal must be conditioned for the ADC input range. Use a stable reference and consistent sampling timing to improve repeatability.
Được đề xuất
Low-Speed Data Logging
For low-speed data logging, the MCP3004-I/P can acquire multiple analog channels and transfer each result over SPI to a host processor or memory system. The 200 kSPS maximum sampling rate is well above many logging applications that sample temperature, pressure, or equipment status at intervals of seconds or minutes. Four channels help organize several sensors behind one ADC, while the serial interface reduces PCB wiring compared with a parallel converter. Firmware should define channel selection, settle time, conversion timing, and data scaling consistently.
Được đề xuất
Educational and Prototype Control Systems
The MCP3004-I/P is well suited to educational prototypes because it combines four analog inputs, a documented SPI interface, and a through-hole 14-pin PDIP package. Students can connect potentiometers, light sensors, temperature sensors, or simple control outputs to a microcontroller and inspect conversion results in firmware. The 10-bit resolution and 200 kSPS sampling capability provide meaningful measurements without the complexity of a high-speed parallel ADC. A prototype should still use a regulated supply, common ground, input protection, and a datasheet-confirmed reference network.
Được đề xuất
Battery Charger and Power Control
The MCP3004-I/P can support battery-management or charger-control prototypes that need to monitor several analog feedback signals, such as supply voltage, current, temperature, or fault indicators. Its four-channel input arrangement can consolidate measurements while SPI provides a compact connection to a controller. The ADC should be used for measurement rather than as the primary power-path element, and the designer must confirm that each signal stays within the converter's input and reference limits. The low typical active current of 320 uA helps when the control system operates from a constrained power budget.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho MCP3004-I/P — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | MCP3004-I/SL | MCP3004-I/STVAO | MCP3004-I/SS | MCP3004-I/SO | MCP3004-I/SSO |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 14-pin PDIP | 14-pin PDIP | 14-pin PDIP | 14-pin PDIP | 14-pin PDIP | 14-pin PDIP |
| 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 |
| Sampling Rate | 200 kSPS | 200 kSPS | 200 kSPS | 200 kSPS | 200 kSPS | 200 kSPS |
| Architecture | SAR | SAR | SAR | SAR | SAR | SAR |
| Supply Voltage | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
Bảo phân biệt quan trọng
- Four-channel integration in a 14-pin PDIP device (vsMCP3008)
- 200 kSPS sampling rate for embedded acquisition (vsMCP3004-I/STVAO)
- SPI interface reduces external connection count (vsMCP3004-I/SL)
Ghi chú thiết kế
Route analog inputs directly from their source components to the MCP3004-I/P input pins and keep the traces short and away from SPI clock, digital control, and switching-node traces. The four-channel ADC can be sensitive to trace resistance, parasitic capacitance, and ground gradients even when the nominal application is low speed. Place input filtering or protection close to the ADC and use a quiet analog ground strategy appropriate to the complete board.
Provide a stable supply and reference arrangement within the limits specified by the manufacturer datasheet. The verified family documentation confirms a 2.7 V to 5.5 V operating range, but it does not provide the complete reference-pin requirements in the supplied data. Confirm supply decoupling, reference stability, input range, and common-mode limits before layout release; do not treat the supply rating as an automatic input-range guarantee.
Do not substitute MCP3008 for MCP3004-I/P without redesigning the PCB: MCP3008 has eight analog channels and a different package/pin count. Likewise, confirm that a proposed MCP3004 ordering variant has the same 14-pin PDIP footprint and pin functions. The cross-reference results in the supplied data do not establish universal pin compatibility, so verify the manufacturer pin table before approving any replacement.
SPI timing must be coordinated with the ADC conversion sequence and channel-selection procedure. The MCP3004-I/P is a serial-interface SAR ADC, so clock rate, chip-select behavior, data-valid timing, and firmware settling time determine reliable sampling. Keep the SPI lines away from analog inputs, provide a defined ground reference, and validate timing with an oscilloscope in the final assembled design.
Thông tin tuân thủ
The supplied verified search results do not provide authoritative compliance statements for this exact MCP3004-I/P ordering variant. Check the current Microchip product page, datasheet, and authorized distributor documentation before making a compliance claim.