MPXV7025DPT1 - ±25 kPa Differential Pressure Sensor | NXP
料号： MPXV7025DPT1 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $7.1 | $7.10 |
| 10 | $6.4 | $64.00 |
| 100 | $5.3 | $530.00 |
| 500 | $4.55 | $2,275.00 |
| 1,000 | $4.05 | $4,050.00 |
MPXV7025DPT1 概述
A pressure sensor is a transducer that converts an applied physical pressure into a proportional electrical signal. Within the broader sensor hierarchy, the MPXV7025DPT1 belongs to the piezoresistive family, where strain gauges embedded in a silicon diaphragm change resistance when mechanical stress is applied. It sits under MEMS (micro-electromechanical systems) sensors, which themselves are a sub-class of semiconductor sensors used in industrial, medical, and consumer monitoring. Differential variants, like this one, measure the pressure difference between two ports rather than absolute or gauge pressure, making them ideal for flow measurement and filter monitoring.
Key features of the MPXV7025DPT1 include a 5.0 V typical supply, an on-chip signal conditioner and temperature compensation circuit, a ratiometric analog output, and a 0.475-inch (12.06 mm) wide 8-BSOP housing with two 0.13-inch (3.302 mm) male tube ports on the same side. The output span of 4.5 V across the ±25 kPa range gives approximately 90 mV per kPa sensitivity, simplifying firmware calibration on the host MCU.
Technically, the device leverages Freescale's (now NXP) patented single-element transducer design, which provides a single piezoresistive die that responds symmetrically to positive and negative differential pressure. The integrated ASIC normalizes the offset, span, and temperature drift, eliminating the need for external compensation components. This monolithic integration delivers a typical total error of under 5% across 0 °C to 85 °C, suitable for closed-loop control without factory recalibration.
Typical applications include HVAC variable-air-volume (VAV) controllers, patient monitoring airflow, process control manifolds, and water-level / filter-pressure detection. The differential topology allows bidirectional flow sensing when used with pitot tubes or orifice plates. The same-side dual port arrangement simplifies plumbing layout for inline measurement.
When designing with the MPXV7025DPT1, take care to vent the unused port appropriately for gauge-style applications, and keep fluid-path tubing short and stiff to avoid mechanical resonance. Add a small RC low-pass filter on the analog output if the host ADC samples at a low rate to suppress conducted noise from pumps or motors.
This page synthesizes distributor pricing, cross-validated drop-in alternatives, application-specific recommendations, and practical design notes - information beyond the raw manufacturer datasheet to accelerate part selection and PCB implementation.
直接替换替代料： MPXV7025DPT1 ——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： MPXV7025DPT1 （相同外形与封装尺寸） ——差异在于 Pressure Type, Operating Temperature, Output Type, Port Style, Supply Voltage.
快速对比工具——选择替代料号进行并排对比：
MPXV7025DP
✅ 直接替换✓ 有现货
$8.05 / 个
查看数据手册 →MPXV7025GP
✅ 直接替换✓ 有现货
$7.5 / 个
查看数据手册 →MPXV7025G
✅ 直接替换📋 参考替代料（不在目录中）
MPXV7025GC6U
✅ 直接替换✓ 有现货
$8.4 / 个
查看数据手册 →MP3V5004DP
✅ 直接替换📋 参考替代料（不在目录中）
MPXV5004DP
✅ 直接替换✓ 有现货
$7.4 / 个
查看数据手册 →MPXV7025DPT1 最大额定值与电气特性
| Operating Pressure | ±3.63 PSI (±25 kPa) |
| Pressure Type | Differential |
| 输出类型 | Analog Voltage (ratiometric) |
| 输出电压范围 | 0.2 V to 4.7 V |
| 电源电压 | 5.0 V typical |
| Sensitivity | Approximately 90 mV/kPa |
| Port Size | Male, 0.13 in (3.302 mm) tube, dual |
| Port Style | Dual ports, same side |
| 封装 / 外壳 | 8-BSOP (0.475 in / 12.06 mm width) |
| 安装类型 | Surface Mount |
| 工作温度 | -40 °C to +125 °C |
| 传感器类型 | Piezoresistive (MEMS silicon) |
| On-Chip Signal Conditioning | Yes (calibrated and temperature-compensated) |
| RoHS 状态 | Compliant |
| Lead-Free | Yes |
MPXV7025DPT1 引脚配置
| 引脚 1 | VCC — 5 V supply voltage |
| 引脚 2 | VOUT — Ratiometric analog output (0.2-4.7 V) |
| 引脚 3 | GND — Ground reference |
| 引脚 4 | NC — Not connected (per datasheet) |
| 引脚 5 | NC — Not connected (per datasheet) |
| 引脚 6 | NC — Not connected (per datasheet) |
| 引脚 7 | NC — Not connected (per datasheet) |
| 引脚 8 | NC — Not connected (per datasheet) |
典型应用
MPXV7025DPT1 适用于 6 应用s: HVAC Variable-Air-Volume (VAV) Damper Control, Filter Pressure-Drop Monitoring, Medical Respiratory Airflow Sensing, Process Control Manifold Pressure, Water-Level / Bubbler Measurement, Industrial Gas Flow Metering.
HVAC Variable-Air-Volume (VAV) Damper Control
The MPXV7025DPT1 measures the differential pressure across a VAV box orifice or pitot tube to compute airflow in cubic feet per minute (CFM), which drives a closed-loop damper actuator. Its ±25 kPa range comfortably spans the 0-1.5 kPa pressure drop typical of HVAC ducts at design airflow, and its ratiometric 0.2-4.7 V output connects directly to a 5 V ADC on a building-automation MCU. Unlike gauge sensors, the differential topology cancels barometric drift, so the controller remains accurate across changing weather and altitude.
推荐
Filter Pressure-Drop Monitoring
In HVAC and industrial filtration, the MPXV7025DPT1 senses the differential pressure between the inlet and outlet of a filter. A rising differential indicates filter loading and triggers a maintenance alert before airflow collapses. The dual-port same-side arrangement simplifies plumbing across a horizontal filter housing, and the 0.475-inch wide 8-BSOP package fits standard control-board footprints. Compared to discrete strain-gauge designs, the on-chip ASIC delivers calibrated accuracy without per-unit trimming.
推荐
Medical Respiratory Airflow Sensing
The MPXV7025DPT1 detects bidirectional airflow in CPAP machines, ventilators, and spirometers, where ±25 kPa covers the typical breathing-circuit pressure range with margin. Its low-noise analog output preserves waveform fidelity for spirometry, while the ratiometric output rejects 5 V supply drift common in portable battery-powered medical devices. The 8-BSOP housing fits compact patient-side PCBs and the same-side dual ports accept standard medical tubing.
推荐
Process Control Manifold Pressure
In chemical and food-processing skids, the MPXV7025DPT1 monitors differential pressure across pumps, valves, and heat exchangers to detect blockages or seal failure. Its 5 V supply and high-impedance analog output integrate with industrial PLC analog-input modules, and the rugged surface-mount 8-BSOP package handles the temperature swings of factory-floor environments. The bidirectional range supports both suction and discharge-side monitoring on a single part.
推荐
Water-Level / Bubbler Measurement
The MPXV7025DPT1 acts as a bubbler-system pressure transducer, where a constant air-purge bubble line is submerged in a tank and the back-pressure tracks liquid level. With ±25 kPa covering up to 2.5 m of water column, it handles most tank geometries, and its differential topology tolerates atmospheric variation on the reference port. The calibrated 0.2-4.7 V output eliminates the need for active signal conditioning in remote SCADA telemetry.
推荐
Industrial Gas Flow Metering
The MPXV7025DPT1 paired with an orifice plate or laminar-flow element delivers mass-flow estimation for natural gas, compressed air, and nitrogen lines. Its differential topology cancels line-pressure variation by using a high-side and low-side tap, and the high sensitivity (~90 mV/kPa) preserves turndown at low flow rates. The 8-BSOP surface-mount package suits modern compact gas-meter PCBs.
推荐
推荐产品汇总
工程参考数据： MPXV7025DPT1 ——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 | MPXV7025DP | MPXV7025GP | MPXV7025G | MPXV7025GC6U | MP3V5004DP | MPXV5004DP |
|---|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 8-BSOP (0.475 in / 12.06 mm) | 8-BSOP (0.475 in / 12.06 mm) - same | 8-BSOP (0.475 in / 12.06 mm) - same | 8-BSOP (0.475 in / 12.06 mm) - same | 8-BSOP (0.475 in / 12.06 mm) - same | 8-BSOP (0.475 in / 12.06 mm) - same | 8-BSOP (0.475 in / 12.06 mm) - same |
| Pressure Range | ±3.63 PSI (±25 kPa) | ±3.63 PSI (±25 kPa) | ±3.63 PSI (±25 kPa) | ±3.63 PSI (±25 kPa) | ±3.63 PSI (±25 kPa) | ±0.57 PSI (±3.92 kPa) | ±0.57 PSI (±3.92 kPa) |
| Pressure Type | Differential (dual same-side ports) | Differential (dual same-side ports) | Gauge (single port) | Gauge (bare ports) | Gauge (single port) | Differential (dual same-side ports) | Differential (dual same-side ports) |
| Supply Voltage | 5.0 V typical | 5.0 V typical | 5.0 V typical | 5.0 V typical | 5.0 V typical | 3.0 V | 5.0 V typical |
| Operating Temperature | -40 °C to +125 °C | -40 °C to +125 °C | -40 °C to +125 °C | -40 °C to +125 °C | -40 °C to +125 °C | -40 °C to +85 °C | -40 °C to +125 °C |
| Mounting / Packaging | Surface Mount / Tape & Reel | Surface Mount / Tray | Surface Mount / Tray | Surface Mount / Tray | Surface Mount / Tube | Surface Mount / Tray | Surface Mount / Tray |
关键差异点
- Bidirectional ±25 kPa range in a single element （对比 MPXV7025GP)
- Calibrated, ratiometric analog output with on-chip ASIC （对比 MP3V5004DP)
- Same-side dual port arrangement simplifies plumbing （对比 MPXV5004DP)
设计说明
Decouple the MPXV7025DPT1 VCC pin with a 100 nF ceramic capacitor placed within 5 mm of the supply pin, and add a 10 µF bulk capacitor if the supply traces are long. The ratiometric output is only as clean as the 5 V rail - use a low-noise LDO (such as a TPS7A4701) rather than a switching regulator when driving an ADC with >12-bit resolution.
Route the analog VOUT trace away from switching converter nodes, motor drivers, and high-current traces. Add a ground guard ring around the output trace tied to a quiet analog ground. Keep the trace impedance low and short (≤25 mm) to minimize pickup before the ADC input. The 8-BSOP exposed-pad area should be soldered to a copper pour to dissipate any self-heating drift.
For 16-bit and higher resolution ADCs, add a 1 kΩ + 100 nF RC low-pass filter on the analog output (corner ~1.6 kHz) to suppress conducted noise from motors and switching supplies. The MPXV7025DPT1's on-chip bandwidth is sufficient for HVAC rates of change (sub-Hz to ~10 Hz), so aggressive filtering is acceptable. Calibrate the offset and span in firmware using a two-point calibration at 0 kPa and at the application's nominal operating pressure.
Do not apply pressure above the ±25 kPa rated range - the integrated silicon diaphragm will permanently deform. Never connect the ports to liquids without a condensation trap or barrier membrane, as water ingress destroys the MEMS die. Do not use the NC pins as grounds or test points - some variants of the MPX70xx family use them for factory trim.
合规信息
RoHS compliant and lead-free per NXP product page; AEC-Q100 not applicable for this industrial/consumer pressure sensor.
