MPXV4006GC7U - 6kPa Vented Gauge Pressure Sensor | STMicroelectronics
MPN: MPXV4006GC7U ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $13.5 | $13.50 |
| 10 | $12.65 | $126.50 |
| 100 | $11.93 | $1,193.00 |
| 500 | $11.2 | $5,600.00 |
| 1,000 | $10.5 | $10,500.00 |
| 1,200 | $11.93 | $14,316.00 |
MPXV4006GC7U Overview
A piezoresistive pressure sensor is a MEMS device in which a diaphragm fabricated on a silicon substrate deflects under applied pressure, changing the resistance of piezoresistors arranged in a Wheatstone bridge. The differential output is then amplified, offset-compensated, and normalized to a single-ended analog voltage by the integrated ASIC, eliminating the need for external signal conditioning. Within the sensor taxonomy, the MPXV4006GC7U sits in the hierarchy: piezoresistive pressure sensor -> pressure transducer -> pressure sensor -> sensor IC -> semiconductor. The MPxx4006 family targets medical spirometers, HVAC variable-air-volume controls, and consumer appliance applications where a calibrated 0-6 kPa gauge reading is required.
Key features include a full-scale span of 6 kPa, an accuracy of ±1.5% over 0 °C to 85 °C, a typical response time of 1 ms, and a supply current of approximately 7 mA. The vented-gauge reference (gauge pressure referenced to atmospheric via a rear vent) and the top-port 3.17 mm tube inlet simplify pneumatic plumbing in instrument enclosures.
Typical applications include handheld spirometers that measure peak expiratory flow, HVAC variable-air-volume (VAV) dampers, altitude-correcting barometric aids, and consumer appliance pressure monitoring such as washing-machine water-level detection and filter-clog indicators.
When designing with this part, place 100 nF decoupling directly at the supply pin and route the analog output through an op-amp buffer if driving an ADC below 10 kΩ input impedance. Avoid kinking or contaminating the pressure port; the gel-protected backside vent must remain open to atmosphere.
Drop-in alternatives for MPXV4006GC7U — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with MPXV4006GC7U (same form factor and footprint) — differing in Output Type, Supply Voltage, Mounting Type, Operating Pressure Range, Accuracy.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MPXV4006GC6U
✅ Drop-In✓ In Stock
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View Datasheet →MPXV4006GP
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
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View Datasheet →MPVZ5004G7U
✅ Drop-In✓ In Stock
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View Datasheet →MPVZ5010G7U
✅ Drop-In✓ In Stock
$7.25 / Unit
View Datasheet →HSCDRRN001PD2A3
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
MPXV4006GC7U Maximum Ratings & Electrical Characteristics
| Operating Pressure Range | 0 kPa to 6 kPa |
| Pressure Type | Vented Gauge (differential referenced to atmosphere) |
| Output Voltage Span | 0.2 V to 4.7 V (typ) |
| Output Type | Analog ratiometric |
| Supply Voltage | 5 V (typ) |
| Accuracy (0-85 C) | ±1.5 %VFSS (typical) |
| Response Time | 1 ms (typical) |
| Port Style | Top-side 3.17 mm (0.13 in) tube inlet |
| Package | 8-DIP (0.550 in / 13.97 mm), top port |
| Pressure Media Compatibility | Dry air, non-corrosive gases |
| Mounting Type | Through-hole (DIP) |
| RoHS Status | Compliant (per DigiKey part detail) |
| Lead Free | Yes (per NXP/ST product descriptions) |
MPXV4006GC7U Pin Configuration
| Pin 1 | VCC — 5 V supply |
| Pin 2 | VOUT — Analog ratiometric output (0.2-4.7 V) |
| Pin 3 | GND — Ground |
| Pin 4 | NC — Not connected (per datasheet) |
| Pin 5 | NC — Not connected (per datasheet) |
| Pin 6 | NC — Not connected (per datasheet) |
| Pin 7 | NC — Not connected (per datasheet) |
| Pin 8 | NC — Not connected (per datasheet) |
Typical Applications
MPXV4006GC7U is suitable for 6 applications: Handheld Spirometer (Respiratory Flow Sensor), HVAC Variable-Air-Volume (VAV) Damper Feedback, Barometric Altitude Aid for Wearables, Appliance Filter-Clog Detection, Washing-Machine Water-Level Sensor, Industrial Pneumatic Leak Detector.
Handheld Spirometer (Respiratory Flow Sensor)
The MPXV4006GC7U is well suited for peak-flow meters and bedside spirometers where the 0-6 kPa differential across a flow orifice maps directly into the 0.2-4.7 V output window. With ±1.5% accuracy and 1 ms response time, the sensor follows the breath waveform fast enough for FEV1/FVC calculations. The top-port tube inlet accepts the disposable mouthpiece adapter used in clinical spirometry while the vented-gauge reference rejects ambient barometric drift during long exhale maneuvers.
Recommended
HVAC Variable-Air-Volume (VAV) Damper Feedback
Building automation VAV boxes need a static-pressure transducer in the ductwork, and the MPXV4006GC7U's 0-6 kPa span covers the 0-1 inch-H2O (~250 Pa) operating range typical of VAV diffusers. The ratiometric 5 V analog output feeds directly into a 0-10 V or 4-20 mA building controller via a buffer, and the 8-DIP form factor fits inside the actuator housing. The vented-gauge reference cancels weather-driven barometric swings, while the on-chip temperature compensation holds accuracy over the 0-85 °C plenum envelope.
Recommended
Barometric Altitude Aid for Wearables
Consumer wearables and watches that display altitude use a small vented-gauge transducer as an altitude aid, leveraging the 6 kPa span to resolve ±5 m elevation changes at sea level after temperature compensation. The MPXV4006GC7U draws under 10 mA from the 5 V rail, runs from a step-up regulator in the wearable, and outputs a linear voltage that the host MCU converts to altitude via the barometric formula. The DIP package fits a small flex-rigid board inside the watch chassis.
Recommended
Appliance Filter-Clog Detection
Vacuum cleaners and range hoods use a vented-gauge pressure transducer to detect filter saturation: a clogged filter raises the differential across the fan, and the MPXV4006GC7U's 0-6 kPa span covers the typical 0-3 kPa clog-point of consumer vacuums. The 0.2-4.7 V ratiometric output feeds the appliance microcontroller, where a software threshold triggers the 'replace filter' LED. The vented-gauge topology rejects weather-driven ambient pressure changes for stable thresholds worldwide.
Recommended
Washing-Machine Water-Level Sensor
Front-load washers sense drum pressure via a tube connected to the bottom of the tub, and the MPXV4006GC7U translates the 0-6 kPa hydrostatic head into a ratiometric voltage for the main controller. The top-port 3.17 mm inlet accepts the rubber tubing directly, while the vented-gauge reference tolerates small ambient-pressure swings during the spin cycle. On-chip temperature compensation compensates for hot wash water (~60 °C) without external thermistors.
Recommended
Industrial Pneumatic Leak Detector
Pressure-decay leak testers in factory QA stations use the MPXV4006GC7U to monitor 0-6 kPa decay across a sealed fixture, with the 0.2-4.7 V output sampled by an ADC to compute leak rate. The 1 ms response time resolves rapid pressure transients at the start of the test, while the vented-gauge reference isolates the test from ambient drift during multi-minute cycles. The 8-DIP package allows through-hole mounting on ruggedized industrial backplanes.
Recommended
Recommended Products Summary
Engineering reference data for MPXV4006GC7U — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MPXV4006GC6U | MPVZ5004G7U | MPVZ5010G7U | HSCDRRN001PD2A3 |
|---|---|---|---|---|---|
| Package | 8-DIP top port (0.550 in) | 8-DIP top port (same) | 8-SOP small outline | 8-SOP small outline | DIP through-hole (TruStability) |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics / NXP | STMicroelectronics / NXP | Honeywell |
| Pressure Range (kPa) | 0 to 6 | 0 to 6 | 0 to 4 | 0 to 10 | 0 to ±6.9 (±1 psi) |
| Output Span (V) | 0.2 to 4.7 | 0.2 to 4.7 | 0.2 to 4.7 (1 V/kPa transfer) | 0.2 to 4.7 (0.5 V/kPa transfer) | ratiometric, varies with calibration |
| Supply Voltage (V) | 5 | 5 | 5 | 5 | 3.3 or 5 (configurable) |
| Accuracy | ±1.5 %VFSS (0-85 C) | ±1.5 %VFSS (0-85 C) | ±1.5 %VFSS | ±2.5 %VFSS | ±0.25 %FSS (higher precision) |
| Pressure Type | Vented Gauge | Vented Gauge | Gauge | Gauge | Differential (configurable) |
Key Differentiators
- On-chip signal conditioning eliminates external op-amps (vs Honeywell HSCDRRN001PD2A3)
- Top-port tube inlet matches medical spirometry plumbing (vs MPVZ5004G7U)
- Industry-standard 0-6 kPa span matches 0-1 inch H2O (vs MPVZ5010G7U)
Design Notes
Decouple the VCC pin (pin 1) with a 100 nF ceramic capacitor placed within 5 mm of the package lead. The MPXV4006GC7U draws roughly 7 mA from 5 V and the on-chip ASIC is sensitive to supply ripple; a ferrule bead plus the 100 nF cap typically keeps noise below 5 mV on the analog output. Estimated: based on the typical 7 mA supply figure cited in the family datasheet. Avoid tying the analog return to a high-current digital ground to preserve ratiometric accuracy.
The MPXV4006GC7U is specified for dry, non-corrosive gases only. Never connect it directly to water, oils, or aggressive vapors - use a pneumatic isolator or hydrophobic filter membrane if your media is wet. The vented-gauge reference relies on the rear-vent opening; do not conformal-coat or pot the rear of the package, or the gauge will read incorrectly under barometric changes. Estimated: the rear-vent requirement is a documented family-level design rule.
Route the analog output (pin 2) through a low-impedance buffer (op-amp follower with input bias <1 nA) if the downstream ADC has input impedance below 100 kΩ. The sensor's output impedance can sag the reading on heavy ADC loads. Keep analog traces short and away from switching converter nodes; the ratiometric calibration assumes a clean 5 V rail. Place the part with the tube inlet pointing up to prevent condensation collection in the sensor cavity.
Compliance Information
RoHS and lead-free status confirmed via DigiKey product detail and NXP product page. Halogen-free status not explicitly listed; set to unknown. Not AEC-Q100 qualified; this is an industrial/consumer part.
