MPXV5010GC7U - 0-10kPa Differential Pressure Sensor | NXP
MPN: MPXV5010GC7U ✓ Hoạt độngMPXV5010GC7U Tóm tắt
A piezoresistive differential pressure sensor is a transducer that converts a mechanical pressure differential into a proportional electrical signal using micromachined silicon strain gauges arranged in a Wheatstone bridge; the MPXV5010 family belongs to the wider pressure-sensor hierarchy (pressure sensor -> transducer -> sensor IC -> analog front-end -> signal conditioning chain) used wherever a microcontroller or microprocessor with an A/D input must read differential, gauge, or absolute pressure. The MPXV5010GC7U is the gauge-version "G" of the MPX5010 family, meaning it measures pressure referenced to atmospheric ambient rather than a sealed vacuum reference.
Key differentiating features include on-chip temperature compensation from 0 °C to 85 °C, laser-trimmed calibration for span and offset, an internal EMI/RFI protection network, and typical pressure resolution equivalent to the A/D converter used downstream. The device provides an output impedance below 50 ohm suitable for direct connection to most microcontroller A/D inputs, and a startup time of approximately 20 ms after VCC valid. The die is protected against humidity and contamination by a silicone gel coating.
The transducer combines advanced micromachining, thin-film metallization, and bipolar signal processing to provide a high-level linear analog output, eliminating the need for external active circuitry in many applications. The architecture's main electrical trade-off is high quiescent current relative to a bare bridge, accepted in exchange for a calibrated, ratiometric, output-scaled signal.
Typical applications include HVAC variable-air-volume (VAV) control, medical respirators and ventilators, process control manifolds, level detection in non-corrosive liquids, appliance pressure monitoring, and automotive manifold pressure sensing. It also serves as a low-cost drop-in for similar gauge-pressure sensing in industrial pumps.
Designers should degauss or, more practically, isolate the sensor inlet tubing to prevent condensation ingress, place a 0.1 µF decoupling capacitor adjacent to VCC and GND, and account for the 1 % typical accuracy combined with thermal warm-up drift in long-time-constant applications.
This page synthesizes distributor pricing, drop-in NXP family alternatives, and practical pneumatic/electrical design notes not gathered in the OEM datasheet alone.
Bộ thay thế dễ dàng lắp đặt cho MPXV5010GC7U — 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 MPXV5010GC7U (cùng hình factor và footprint) — khác nhau ở Output Type, Package, Operating Pressure Range, Media Compatibility, Mounting Type.
MPXV5010GC6U
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MPXV5004GC7U
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MPXV5010GC7U Tỷ lệ tối đa & tính chất điện
| Pressure Type | Differential / Gauge |
| Operating Pressure Range | 0 kPa to 10 kPa |
| Điện áp cung cấp | 4.75 V to 5.25 V (typ. 5.0 V) |
| Full-Scale Output (typ. @10 kPa) | 4.5 V |
| Zero-Pressure Offset | 0.2 V to 0.85 V |
| Khoảng nhiệt độ hoạt động | 0 °C to +85 °C |
| Storage Temperature Range | -30 °C to +100 °C |
| Kiểu đầu ra | Analog (ratiometric to VCC) |
| Output Impedance | < 50 ohm |
| Accuracy (typ.) | ±5 % of V_FSS (0-85 °C) |
| Hộp / Vỏ | SOP-8 (Case 1737), Surface Mount |
| Port Configuration | Dual axial horizontal ports (gauge) |
| Media Compatibility | Non-corrosive, non-ionic media (dry air, dry gases) |
| Kiểu lắp đặt | Surface Mount |
Cấu hình chân MPXV5010GC7U
| Chân 1 | VCC — 5 V supply input |
| Chân 2 | GND — Ground reference |
| Chân 3 | VOUT — Analog ratiometric output voltage |
| Chân 4 | NC — No internal connection (mechanical) |
| Chân 5 | NC — No internal connection (mechanical) |
| Chân 6 | NC — No internal connection (mechanical) |
| Chân 7 | NC — No internal connection (mechanical) |
| Chân 8 | NC — No internal connection (mechanical) |
Ứng dụng tiêu biểu
MPXV5010GC7U phù hợp cho 6 Áp dụngs: HVAC Variable-Air-Volume (VAV) Control, Medical Respirators and Ventilators, Industrial Process Control Manifolds, Liquid Level Detection, Automotive Manifold and Boost Sensing, Appliance Pressure Monitoring.
HVAC Variable-Air-Volume (VAV) Control
The MPXV5010GC7U is well suited for HVAC variable-air-volume box control because its 0-10 kPa range covers the typical duct pressure span of 0-250 Pa to 0-7500 Pa while leaving headroom over zero for error correction. Its on-chip temperature compensation from 0 °C to 85 °C eliminates the spring-and-bellows drift that plagues mechanical duct sensors, and the 4.5 V full-scale output drives directly into a 0-5 V MCU ADC with 0.5 mV/kPa resolution at 10-bit conversion. Unlike piezoresistive bare bridges, the calibrated output removes the need for external instrumentation amplifiers, allowing a single-PCB VAV damper actuator design.
Được đề xuất
Medical Respirators and Ventilators
The MPXV5010GC7U is widely specified in medical breathing-circuit pressure monitors because its 0-10 kPa span directly spans normal inspiratory pressure thresholds (5-40 cm H2O == 0.5-4 kPa) without signal conditioning, providing a 4.5 V full-scale reading that goes straight to the MCU ADC. On-chip EMI/RFI shielding plus the silicongel-isolated die supports the long reliability history demanded in clinical equipment, and the 5 V single-supply operation simplifies the isolation barrier. Place the device on the patient-side manifold with a short, kink-resistant silicone inlet to avoid condensation reaching the gel-protected cavity.
Được đề xuất
Industrial Process Control Manifolds
For industrial process control, the MPXV5010GC7U gives a calibrated ratiometric analog output suitable for connecting to PLC analog input cards (4-20 mA or 0-10 V) through a scaling resistor network. The 5 V supply makes it easy to derive the sensor excitation from the PLC's 24 V backplane via a small linear regulator, and its 0-85 °C compensation range covers most factory-floor ambient conditions. The dual-port axial geometry accepts standard 1/8" barbed fittings, simplifying pneumatic hookup in valve-actuator feedback loops.
Được đề xuất
Liquid Level Detection
The MPXV5010GC7U can measure liquid level indirectly by sensing the bubble-back pressure in a sealed air-reference tube submerged in a tank, where hydrostatic head equals rho x g x h. With 0-10 kPa it covers water columns up to about 1020 mm (or roughly one metre), suiting sump monitoring, fuel-level senders, and tank-gauging applications. Use dry air purge flow to prevent condensation entering the port, and mount the part above the high-water line so the gel-isolated die never contacts the media directly.
Được đề xuất
Automotive Manifold and Boost Sensing
Within aftermarket or industrial vehicle systems, the MPXV5010GC7U accurately measures low-pressure boost or vacuum in the 0-10 kPa window, giving a robust gauge reading relative to atmospheric ambient for ECU-style algorithms. The wide operating temperature range and ratiometric supply rejection make it appropriate for under-hood conditions when paired with proper sealing and thermal isolation. Note: for production automotive under-hood or safety-critical systems, NXP's MPXHZ6400A or similar AEC-Q100 qualified parts are recommended because the MPXV5010GC7U is calibrated for 0-85 °C and is not automotive-qualified.
Được đề xuất
Appliance Pressure Monitoring
Consumer appliances such as smart washers, dishwasher water-level modules, and coffee-machine pump controllers integrate the MPXV5010GC7U to monitor flow-circuit pressure without the cost of a custom pressure switch. Its calibrated analog output lets the appliance MCU convert pressure to LED indicators or buzzer alarms with no external amplifier; in white goods the 0-10 kPa window covers typical hose-pressure transients with margin. Pair with a quick-disconnect tube fitting to ease field service.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho MPXV5010GC7U — 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 | MPXV5010GC6U | MPXV5004GC7U | MPX5010DP |
|---|---|---|---|---|
| Pressure Range | 0 to 10 kPa | 0 to 10 kPa | 0 to 4 kPa | 0 to 10 kPa |
| Package | SOP-8 (Case 1737) | SOP-8 (Case 1737) - same | SOP-8 (Case 1737) - same | Case 867 unibody - not drop-in |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Supply Voltage | 4.75 V to 5.25 V | 4.75 V to 5.25 V | 4.75 V to 5.25 V | 4.75 V to 5.25 V |
| Full-Scale Output | 4.5 V (typ.) | 4.5 V (typ.) | 4.5 V (typ.) | 4.5 V (typ.) |
| Output Type | Analog ratiometric | Analog ratiometric | Analog ratiometric | Analog ratiometric |
| Operating Temperature | 0 to +85 °C | 0 to +85 °C | 0 to +85 °C | 0 to +85 °C |
| Typical Drop-In | Reference part | Yes (same package, RoHS variant difference) | Yes (same package, smaller range) | Same die level, but different case (requires PCB rework) |
Bảo phân biệt quan trọng
- Same SOP-8 small-outline package as MPXV5010GC6U but fully RoHS-compliant lead finish (vsMPXV5010GC6U)
- Calibrated ratiometric analog output 0-4.5 V versus 0-4.0 V on smaller-range siblings (vsMPXV5004GC7U)
- Surface-mount SOP-8 case 1737 vs older through-hole unibody Case 867 (vsMPX5010DP)
Ghi chú thiết kế
Estimated: the MPXV5010GC7U draws roughly 8 mA nominal from 5 V, so a 100 mA 3.3-to-5 V LDO provides ample headroom for a sensor-plus-decoupling network. Place a 0.1 µF X7R ceramic bypass capacitor within 5 mm of the VCC pin to suppress switching-noise feedback and prevent ADC ringing. The output is ratiometric to VCC; for best system accuracy derive both the sensor supply and the host MCU ADC reference from the same regulated rail. No inrush limiting is required because the part's startup is a clean 20 ms ramp.
Keep the surface-mount port nozzles free of solder residue by using a no-clean flux process and a solder mask defined opening (NSMD) for the SOP-8 land patterns. Provide keep-out zones under the two axial port openings so the silicone inlet tubes sit flush against the package body. Place a 1.5 mm fiducial gap between the port nozzles and any adjacent signal trace to avoid vibration-induced cracking during shipping. Recommended footprint follows IPC-7351 SOP-8 standard case 1737 with 1.27 mm pitch pads.
Avoid exposing the sensor to liquid water, oils, or corrosive gases - the die is silicone-gel protected only, rated for dry non-ionic media. If your application must sense liquid, use an isolation diaphragm interface or choose NXP's MP3V5010 liquid-isolated variant. Also remember the maximum applied differential pressure limit; consult the datasheet for the overpressure margin (typically 2x-3x the rated range) before applying bursts. Finally, do not vacuum-encapsulate the part - the silicone gel requires atmospheric reference to maintain calibration.
Route the VOUT trace as a guarded differential pair with GND on each side, keeping it short (under 25 mm) to minimise capacitive loading and crosstalk from switching converters or motor drivers. Place a 10 kohm resistor at the ADC pin if cable runs longer than 50 mm are anticipated, both to limit input current on transients and to decouple the op-amp inside the sensor from cable capacitance. Avoid passing the VOUT trace under switching nodes or transformers; cross inductors at 90 degrees if necessary.
Thông tin tuân thủ
RoHS compliance per NXP product page. The -GC7U suffix denotes the standard RoHS-compliant lead finish. Not AEC-Q100 qualified; choose NXP MPXV7050 or similar automotive-graded parts for under-hood use.
