MPXV5004DP - 0-3.92kPa Differential Pressure Sensor | NXP
料号： MPXV5004DP ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $11.5 | $11.50 |
| 10 | $10.35 | $103.50 |
| 100 | $9.2 | $920.00 |
| 500 | $8.25 | $4,125.00 |
| 1,000 | $7.4 | $7,400.00 |
MPXV5004DP 概述
What is a piezoresistive pressure sensor? A piezoresistive pressure sensor is a transducer that converts applied pressure into a change in resistance of diffused strain gauges on a silicon diaphragm, then conditions the resulting Wheatstone bridge imbalance into a proportional analog voltage. In the broader sensor taxonomy, the MPXV5004DP sits in the hierarchy: pressure transducer -> piezoresistive sensor -> MEMS sensor -> semiconductor sensor. The on-chip signal conditioning eliminates the need for external amplification, calibration, or temperature compensation circuitry.
Key features include a 1.0 V to 4.9 V ratiometric analog output spanning the 0-3.92 kPa range, 5 V typical supply operation (max 5.25 V), and an operating temperature range of 0°C to +85°C. The integrated temperature compensation and calibration deliver typical accuracy within ±1.5% Vfss, while the dual-port differential configuration enables bidirectional flow sensing across an orifice for HVAC, medical, and appliance applications.
The MPXV5004DP employs bipolar semiconductor processing combined with anisotropic wet etching to form the pressure-sensing diaphragm, then laser-trims thin-film resistors to achieve calibrated span and offset. The output is ratiometric to the supply voltage, meaning the reading tracks VCC proportionally - simplifying A/D conversion when the MCU ADC uses the same supply as its reference.
Typical applications include HVAC variable-air-volume (VAV) controllers, respiratory monitoring equipment, sleep apnea CPAP machines, and consumer appliances such as washing-machine water-level detection. The wide 0-3.92 kPa range and dual-port differential topology make it well suited to measuring pressure drop across flow-restriction elements.
When designing with this part, route the analog output through a low-pass RC filter (typically 1 kΩ and 0.01 µF) to suppress high-frequency switching noise from upstream regulators. The dual side-by-side ports require matched pneumatic tubing lengths to minimize Common-mode pressure errors during transient flow events.
This page synthesizes distributor pricing, drop-in alternative MPNs, and practical pneumatic / PCB design notes that go beyond the manufacturer datasheet.
直接替换替代料： MPXV5004DP ——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： MPXV5004DP （相同外形与封装尺寸） ——差异在于 Package, Supply Voltage, Operating Temperature, Operating Pressure Range, Accuracy.
快速对比工具——选择替代料号进行并排对比：
MPXV5004GC6T1
✅ 直接替换✓ 有现货
$7.25 / 个
查看数据手册 →MP3V5004DP
✅ 直接替换📋 参考替代料（不在目录中）
MPXV5004DP-LF
✅ 直接替换📋 参考替代料（不在目录中）
MPXV4006DP
✅ 直接替换✓ 有现货
$7.75 / 个
查看数据手册 →MPXV7002DP
✅ 直接替换✓ 有现货
$9.93 / 个
查看数据手册 →MPXV5004DP 最大额定值与电气特性
| Pressure Type | Differential (Dual Port, Same Side) |
| Pressure Range | 0 kPa to 3.92 kPa (0 to 0.57 PSI) |
| Port Type | Male Tube, 3.3 mm O.D., Dual Same-Side |
| 电源电压 | 4.75 V to 5.25 V (5 V typical) |
| 电源电流 | 10 mA typical |
| 输出电压范围 | 1.0 V to 4.9 V at 5 V supply |
| 输出类型 | Analog, Ratiometric to VCC |
| Accuracy | ±1.5% Vfss typical (after auto-zero) |
| 工作温度 | 0°C to +85°C |
| Storage Temperature | -30°C to +100°C |
| 封装 | 8-BSOP (CASE 1351-01), 12.06 mm width |
| 安装类型 | Surface Mount |
| Response Time | 1 ms typical |
| Sensing Technology | Piezoresistive (MEMS strain gauge) |
| RoHS 状态 | Compliant |
| Signal Conditioning | On-chip amplified and calibrated |
MPXV5004DP 引脚配置
| 引脚 1 | VCC — 5 V supply input (4.75 V to 5.25 V) |
| 引脚 2 | GND — Ground reference |
| 引脚 3 | VOUT — Analog ratiometric output (1.0 V to 4.9 V) |
| 引脚 4 | NC — Not connected (no internal bond) |
| 引脚 5 | NC — Not connected (no internal bond) |
| 引脚 6 | NC — Not connected (no internal bond) |
| 引脚 7 | NC — Not connected (no internal bond) |
| 引脚 8 | NC — Not connected (no internal bond) |
典型应用
MPXV5004DP 适用于 6 应用s: HVAC Variable Air Volume (VAV) Control, CPAP and Sleep Apnea Machines, Washing Machine Water Level Detection, Respiratory Flow Measurement, Industrial Filter Pressure Drop Monitoring, Coffee Machine and Beverage Dispensing.
HVAC Variable Air Volume (VAV) Control
The MPXV5004DP fits HVAC VAV controller designs because its 0-3.92 kPa range matches the differential pressure drop across standard orifice plates used in duct airflow measurement, and its 1.25 V/kPa sensitivity delivers strong signal headroom above MCU ADC noise floors. The dual side-by-side ports simplify pneumatic plumbing with matched tubing runs, minimizing common-mode errors during damper transitions. Placed on the controller PCB near the MCU ADC with a 1 kΩ/0.01 µF output filter, it provides ratiometric 1.0-4.9 V output that tracks the 5 V supply and eliminates the need for a precision voltage reference. Unlike digital I²C pressure sensors, the analog output avoids bus contention on long cable runs to remote duct locations.
推荐
CPAP and Sleep Apnea Machines
The MPXV5004DP is well suited for CPAP machine airflow and pressure monitoring because its 0-3.92 kPa range spans the breath-pressure amplitudes of adult therapeutic CPAP, and its ±1.5% Vfss accuracy after auto-zero enables reliable apnea-event detection. The calibrated analog output simplifies integration with the machine's main MCU ADC, eliminating digital bus overhead. Placed inline with the airflow path using dual pneumatic ports, it provides real-time pressure feedback for the blower control loop. The on-chip temperature compensation maintains accuracy across the 0°C to +85°C operating range that covers bedroom environment variations and internal chassis warm-up.
推荐
Washing Machine Water Level Detection
The MPXV5004DP suits washing-machine water-level sensing because its low 0-3.92 kPa range maps directly to the small pressure changes generated by an air-trap tube connected to the drum. The 1.25 V/kPa sensitivity provides sufficient resolution to discriminate fill levels across 5-7 wash cycles. The 8-BSOP SMT package withstands the high-humidity laundry environment when the PCB is conformal coated, and the ratiometric output pairs well with cost-sensitive MCU ADCs. Unlike mechanical pressure switches, the MPXV5004DP provides continuous analog data enabling fuzzy-logic wash algorithms that optimize water and energy consumption.
推荐
Respiratory Flow Measurement
The MPXV5004DP enables handheld spirometer and peak-flow meter designs because its calibrated 0-3.92 kPa differential range and 1 ms response time capture the dynamic flow transients of forced exhalation. The dual-port differential topology rejects ambient atmospheric pressure variations, which is critical for portable devices operating across elevations. The on-chip signal conditioning eliminates external op-amps that would otherwise consume PCB area and add drift. The 5 V supply draws only 10 mA, well within the budget of battery-powered handheld respiratory instruments, and the analog output integrates directly with low-cost MCUs lacking I²C peripherals.
推荐
Industrial Filter Pressure Drop Monitoring
The MPXV5004DP fits industrial filter-clog detection systems because its differential 0-3.92 kPa range matches the pressure drop across clean HVAC intake filters and pre-filtration stages. The high 1.25 V/kPa sensitivity enables early detection of filter loading before airflow restriction triggers downstream alarms. Placed across the filter housing with two pneumatic taps, it provides a continuous health-monitoring signal to the building automation PLC. The robust 8-BSOP SMT package and 0°C to +85°C operating range handle industrial enclosure environments, while the ratiometric output tolerates long analog cable runs to remote filter locations.
推荐
Coffee Machine and Beverage Dispensing
The MPXV5004DP is well suited to espresso machine brew-pressure monitoring because its 0-3.92 kPa range covers the lower end of pump-pressure profiles used in consumer espresso extraction, and its analog output enables real-time pressure curve display. The dual-port differential configuration rejects pump pulsations, providing a stable signal for closed-loop pressure control. The small 8-BSOP package fits compact consumer-appliance PCBs, and the on-chip calibration eliminates the trim pots required by legacy strain-gauge designs. The 5 V supply aligns with the standard power rails in espresso machine controllers.
推荐
推荐产品汇总
工程参考数据： MPXV5004DP ——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 | MPXV5004GC6T1 | MP3V5004DP | MPXV5004DP-LF | MPXV4006DP | MPXV7002DP |
|---|---|---|---|---|---|---|
| Package | 8-BSOP (CASE 1351-01) | 8-BSOP (CASE 1351-01) - same | 8-BSOP (CASE 1351-01) - same | 8-BSOP (CASE 1351-01) - same | 8-BSOP (CASE 1351-01) - same | 8-BSOP (CASE 1351-01) - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Pressure Range | 0 to 3.92 kPa (uni-directional) | 0 to 3.92 kPa (uni-directional) | 0 to 3.92 kPa (uni-directional) | 0 to 3.92 kPa (uni-directional) | 0 to 6 kPa (uni-directional) | ±2 kPa (bi-directional) |
| Supply Voltage | 5 V (4.75 V to 5.25 V) | 5 V (4.75 V to 5.25 V) | 3 V (2.7 V to 3.3 V) | 5 V (4.75 V to 5.25 V) | 5 V (4.75 V to 5.25 V) | 5 V (4.75 V to 5.25 V) |
| Output Voltage Range | 1.0 V to 4.9 V | 1.0 V to 4.9 V | 0.2 V to 2.9 V | 1.0 V to 4.9 V | 1.0 V to 4.9 V | 0.5 V to 4.5 V |
| Sensitivity | 1.25 V/kPa | 1.25 V/kPa | 0.9 V/kPa | 1.25 V/kPa | 0.82 V/kPa | 1.0 V/kPa |
| Operating Temperature | 0°C to +85°C | 0°C to +85°C | 0°C to +85°C | 0°C to +85°C | 0°C to +85°C | 0°C to +85°C |
| Port Configuration | Dual side-by-side, 3.3 mm tube | Single axial port, through-hole | Dual side-by-side, 3.3 mm tube | Dual side-by-side, 3.3 mm tube | Dual side-by-side, 3.3 mm tube | Dual side-by-side, 3.3 mm tube |
关键差异点
- Highest sensitivity in the 8-BSOP MPxx family （对比 MPXV4006DP)
- Single-rail 5 V supply with on-chip calibration （对比 MP3V5004DP)
- Same 8-BSOP footprint as the broader MPxx5004/MPxx7002 family （对比 MPXV5004GC6T1)
设计说明
Place a 0.1 µF decoupling capacitor as close as possible to Pin 1 (VCC) and Pin 2 (GND). The analog output at Pin 3 should be routed with a guard trace connected to GND on both sides to suppress coupled switching noise from nearby digital signals. Recommended output filter is 1 kΩ series resistor plus 0.01 µF capacitor to GND, giving a 16 kHz -3 dB cutoff that attenuates MCU switching noise while preserving the 1 ms pressure response. Keep the analog trace short (under 50 mm) to minimize pickup of adjacent digital or RF traces. Severity: recommended.
The MPXV5004DP output is ratiometric to VCC, meaning the absolute voltage scales linearly with supply voltage. To maximize ADC accuracy, use the same 5 V rail as the MCU's ADC reference - this cancels power-supply drift. If a different ADC reference is used, the ratiometric error introduces an additional 2-3% reading error per 100 mV of supply variation. Severity: recommended.
Do not apply vacuum (negative pressure) to the MPXV5004DP - the datasheet explicitly warns that negative pressure can permanently damage the silicon diaphragm. For applications requiring bidirectional or vacuum measurements, use the MPXV7002 family instead. Also avoid water or liquid ingress into the pneumatic ports; the sensor is intended for dry gas only. Condensation in CPAP or respiratory applications must be prevented by an inline moisture trap. Severity: critical.
合规信息
RoHS compliant per NXP product page. Halogen-free status not explicitly stated in the verified web data - flagged as unknown. AEC-Q100 not applicable - this is an industrial/consumer sensor, not automotive grade; for automotive applications consult NXP's automotive-qualified sensor portfolio.
