MPXM2010D - 10kPa Differential Pressure Sensor | NXP
料号： MPXM2010D ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $8.92 | $8.92 |
| 10 | $7.95 | $79.50 |
| 100 | $6.41 | $641.00 |
| 500 | $5.33 | $2,665.00 |
| 1,000 | $4.44 | $4,440.00 |
MPXM2010D 概述
A piezoresistive pressure sensor is a transducer that converts an applied differential pressure into a proportional electrical output by exploiting the piezoresistive effect in doped silicon — when mechanical strain is applied to a diaphragm embedded with Wheatstone-bridge resistors, the resistance values shift predictably and unbalance the bridge. The monolithic silicon die integrates both the strain gauge and the thin-film resistor network, making the device a member of the transducer family within sensor signal-conditioning components used in industrial, medical, and HVAC systems.
Key features of the MPXM2010D include on-chip temperature compensation from 0 °C to +85 °C, ratiometric output scaled to supply voltage for improved ADC accuracy, and ±1.5 % linearity over the pressure range. The 5-SMD module package includes the dual vertical-port tubing geometry that defines the 'M' (modular) variant of the MPX2010 family. The single-supply 10 V to 16 V operating range simplifies analog front-end design in 4 mA-to-20 mA loop-powered systems.
Typical applications include medical inhalation therapy devices, HVAC variable-air-volume (VAV) controllers, industrial process control loops, level sensing in non-corrosive fluid reservoirs, and barometric calibration of digital altimeters. The differential port configuration enables bidirectional pressure measurement — a critical requirement in flow metering for medical ventilators where the drop across a flow element must be sensed.
When designing with the device, place the part after a low-noise instrumentation amplifier and use a 16-bit ADC for full-scale resolution. The output is ratiometric to the supply — variations in excitation voltage will scale the output proportionally, so use a precision reference or well-regulated supply to maintain accuracy.
This page synthesizes distributor pricing, drop-in alternatives within the MPX2010 family, and practical design notes not consolidated in the manufacturer datasheet.
直接替换替代料： MPXM2010D ——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： MPXM2010D （相同外形与封装尺寸） ——差异在于 Mounting Type, Output Type, Pressure Type, Excitation Voltage, Operating Pressure Range.
快速对比工具——选择替代料号进行并排对比：
MPXM2010GS
✅ 直接替换✓ 有现货
$5.62 / 个
查看数据手册 →MPXM2010DT1
✅ 直接替换📋 参考替代料（不在目录中）
MPX2010D
✅ 直接替换✓ 有现货
$9.1 / 个
查看数据手册 →MPXM2053GS
✅ 直接替换📋 参考替代料（不在目录中）
MPXM2010D 最大额定值与电气特性
| Pressure Type | Differential |
| Operating Pressure | 1.45 PSI (10 kPa) |
| Accuracy | ±1% |
| 输出类型 | Wheatstone Bridge |
| 输出电压 | 0 mV to 25 mV at 10 V supply |
| 电源电压 | 10 V to 16 V |
| 工作温度 | -40 °C to +125 °C |
| Temperature Compensation Range | 0 °C to +85 °C |
| 封装 / 外壳 | 5-SMD Module |
| 安装类型 | Surface Mount (PCB) |
| Termination Style | PCB |
| Family Name | MPXM2010D (MPX2010 series) |
| Technology | Piezoresistive silicon, on-chip calibrated |
| Port Configuration | Dual vertical-port tubing (modular 'M') |
MPXM2010D 引脚配置
| 引脚 1 | VCC — Supply voltage (10 V to 16 V) |
| 引脚 2 | GND — Ground reference |
| 引脚 3 | VOUT+ — Differential positive output |
| 引脚 4 | VOUT- — Differential negative output |
| 引脚 5 | NC — Not connected (per datasheet) |
典型应用
MPXM2010D 适用于 6 应用s: Medical Inhalation Therapy & Ventilator Flow Sensing, HVAC Variable Air Volume (VAV) Box Control, Industrial Process Pressure Transmitters, Reservoir Level & Hydrostatic Pressure Measurement, Barometric Pressure Calibration Reference, Pneumatic Control System Pressure Feedback.
Medical Inhalation Therapy & Ventilator Flow Sensing
The MPXM2010D's 10 kPa differential full scale and 0 mV to 25 mV ratiometric output make it well-suited to medical inhalation-therapy circuits where pressure drop across a flow restriction element typically falls below 10 kPa. Placed across a laminar-flow element in the inspiratory limb, its bidirectional response (–25 mV to +25 mV) lets the host processor detect both direction and magnitude of breathing flow. The on-chip temperature compensation from 0 °C to +85 °C covers body-temperature gas paths without firmware polynomial correction. The 5-SMD module ports accept standard medical tubing for sterile single-patient circuits. Trade-off: the bare silicon die is not certified for direct patient-contact media per ISO 18562 — a hydrophobic bacterial filter must precede the sensor port in FDA-cleared device designs.
推荐
HVAC Variable Air Volume (VAV) Box Control
In commercial HVAC variable-air-volume boxes, the MPXM2010D measures the differential pressure across the flow sensor (typically a multi-hole pitot array) to derive supply airflow. The 10 kPa full scale covers 0–4000 fpm duct velocities when paired with a Venturi that converts airflow to a 0–10 kPa pressure drop. Ratiometric output scales cleanly with the 10 V excitation rail, sharing the supply with downstream 4–20 mA loop converters without drift between sensor and transmitter. The –40 °C to +125 °C operating range exceeds rooftop and plenum temperature extremes. Unlike a Pitot-static probe with separate high/low ports, the dual vertical-port modular package mates directly to a flow manifold, simplifying plumbing inside the VAV box. The main limitation is that the bare sensor does not include conformal coating; for condensing-humidity plenums the designer should specify the MPXM2010GS silicone-gel variant instead.
推荐
Industrial Process Pressure Transmitters
Loop-powered industrial pressure transmitters in the 0–10 kPa range — used for low-pressure vessel monitoring, filter-status detection, and cleanroom pressure cascade verification — use the MPXM2010D as the front-end sensing element. The ±1% accuracy and on-chip temperature compensation satisfy the linearity budget of a 0.1% FS transmitter after gain trim, while the ratiometric output means that 4 mA loop current variations do not drift the reading. The 5-SMD module lets the sensor be PCB-mounted near the pressure tap, reducing capillary-tube length and associated thermal errors. Compared to thicker SOIC-packaged load-cell transducers, the small footprint allows the transmitter electronics and sensor to share one FR-4 substrate. Use a TVS diode such as SMAJ16CA on the supply line for 24 V industrial transient protection — the 16 V supply rating does not include inductive load transients.
推荐
Reservoir Level & Hydrostatic Pressure Measurement
For non-corrosive liquid level measurement in small to mid-size reservoirs, the MPXM2010D measures hydrostatic head as a differential pressure when one port is vented to atmosphere. A 10 kPa range corresponds to about 1 metre of water column (0.98 kPa/m H2O), making the part ideal for sump tanks, fuel-basin level, and rainwater harvesting cisterns. The bidirectional response resolves both fill and drain rates. The –40 °C to +125 °C range handles outdoor installations. The 5-SMD modular package uses standard barbed ports that accept 1/8-inch flexible tubing for field installation without a manifold. Limitation: the bare silicon die is incompatible with many process chemicals; choose a stainless-isolated MPX-series sensor when the media is corrosive or conductive, since ionic contamination can shift the bridge offset.
推荐
Barometric Pressure Calibration Reference
Digital barometric altimeters and GPS-aiding pressure references occasionally use the MPXM2010D as a transfer-standard calibration bench reference because of its ±1% accuracy over 0 kPa to 10 kPa, which overlaps the 8.5–10.5 kPa barometric range at sea level. The linear ratiometric output lets a calibration rig correlate ADC counts to pressure without polynomial look-up tables. The on-chip 0 °C to +85 °C compensation covers ambient lab conditions without thermal chamber retests. The 5-SMD modular package is rugged enough for repeated bench calibration without port damage. The main drawback is that the part measures differential pressure — barometric altimeters prefer an absolute (vacuum-reference) port such as the MPX4100A family; the MPXM2010D would need one port permanently sealed and referenced against a calibrated barometer to function in absolute mode.
推荐
Pneumatic Control System Pressure Feedback
Low-pressure pneumatic regulators and valve-position feedback loops use the MPXM2010D to verify downstream pressure in 0–10 kPa control circuits, such as laboratory gas-blending skids and analytical-instrument pneumatic manifolds. The 25 mV full-scale output is easily amplified to a 0–5 V or 4–20 mA control signal with a single INA-series instrumentation amp. The ratiometric output maintains calibration even as supply droops during peak valve-solenoid actuation. The –40 °C to +125 °C range covers refrigerated and heated enclosure applications. The 5-SMD module's barbed ports accept standard 1/8-inch pneumatic tubing used in analytical pneumatics. For higher-pressure pneumatics above 10 kPa, the MPXM2053GS (50 kPa) or MPX2100 (100 kPa) ranges are sister parts in the same package, allowing one PCB layout to support multiple process ranges by component substitution.
推荐
推荐产品汇总
工程参考数据： MPXM2010D ——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 | MPXM2010GS | MPXM2010DT1 | MPX2010D | MPXM2053GS | MPXM2010D (ST) |
|---|---|---|---|---|---|---|
| Package | 5-SMD Module | 5-SMD Module - same | 5-SMD Module - same | 6-SIP (axial port) | 5-SMD Module - same | 5-SMD Module - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | STMicroelectronics |
| Operating Pressure (FS) | 10 kPa (1.45 PSI) | 10 kPa (1.45 PSI) | 10 kPa (1.45 PSI) | 10 kPa (1.45 PSI) | 50 kPa (7.25 PSI) | 10 kPa (1.45 PSI) |
| Output Span at 10 V | 0 to 25 mV differential | 0 to 25 mV differential | 0 to 25 mV differential | 0 to 25 mV differential | 0 to 125 mV differential | 0 to 25 mV differential |
| Pressure Type | Differential | Differential (gel-isolated) | Differential | Differential | Differential (gel-isolated) | Differential |
| Accuracy | ±1% | ±1% | ±1% | ±1% | ±1% | ±1% |
| Supply Voltage | 10 V to 16 V | 10 V to 16 V | 10 V to 16 V | 10 V to 16 V | 10 V to 16 V | 10 V to 16 V |
| Temperature Compensation | 0 °C to +85 °C (on-chip) | 0 °C to +85 °C (on-chip) | 0 °C to +85 °C (on-chip) | 0 °C to +85 °C (on-chip) | 0 °C to +85 °C (on-chip) | 0 °C to +85 °C (on-chip) |
关键差异点
- Modular port package with on-die temperature compensation （对比 MPX2010D)
- Bidirectional ±25 mV differential output for flow direction （对比 MPX4100A (absolute 20–105 kPa))
- 10 kPa FS precision with ±1% calibrated accuracy （对比 MPXM2053GS (50 kPa))
- Single-supply 10–16 V operation, ratiometric to VS （对比 MPXV2010G (small-outline port))
设计说明
The MPXM2010D outputs only 25 mV differential at full scale on a 10 V common-mode. Route the four signal traces as a guarded differential pair (VOUT+, VOUT-, plus shield trace tied to GND) directly to a low-offset instrumentation amplifier such as the INA128 or AD620. Keep traces ≤ 50 mm to limit pickup; a 0.1 µF X7R bypass capacitor placed within 5 mm of the sensor supply pin decouples the bridge. Estimated: with a typical 0.85 µV/√Hz INA128 input density and 1 kHz bandwidth, total front-end noise ≈ 27 µVrms, equivalent to ~0.1 % FS — well within calibration budget.
Do not apply pressure beyond 10 kPa on either port — the diaphragm will yield past the strain-gauge linear region and may permanently shift offset. For a Venturi or pitot array sized to drop up to 12 kPa at peak flow, derate the working point to 80 % FS and choose the next-higher MPX2010 series range (e.g., MPXM2053GS at 50 kPa) instead. The 16 V absolute supply maximum is also a common failure point: a 24 V industrial supply transients can punch through; place an SMAJ16CA TVS immediately at the supply pin.
Although the on-chip compensation curve holds the output linear over 0 °C to +85 °C, the ratiometric output still scales with supply. When the regulator powering the sensor shares a 4 mA loop with downstream load, voltage drop can shift the bridge. Use a dedicated linear regulator (TL431 shunt, or a low-dropout LP2985) for sensor excitation to keep the bridge stable within ±0.5 %. Estimated: a 50 mV ripple on a 10 V supply becomes ≈ 0.125 mV of output ripple — much smaller than the sensor noise floor, so external LC filtering is generally unnecessary if a low-noise LDO feeds the bridge.
合规信息
RoHS and REACH compliance status not explicitly confirmed in the provided datasheets or distributor listings; request the latest material declaration directly from NXP or STMicroelectronics before volume production. The MPX2010 series was historically produced with lead-containing die attach before the 2006 RoHS transition; modern date-code shipments (2018 and later) are typically lead-free but should be verified per lot.
