MPX5700GP - 700 kPa Gauge Pressure Sensor | NXP Semiconductors
Référence : MPX5700GP ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $17.5 | $17,50 |
| 10 | $15.75 | $157,50 |
| 100 | $13.95 | $1 395,00 |
| 500 | $12.85 | $6 425,00 |
| 1 000 | $12.03 | $12 030,00 |
MPX5700GP Présentation
A piezoresistive pressure sensor is a transducer that converts applied gas or fluid pressure into a proportional electrical signal using strain-sensitive resistors diffused into a silicon diaphragm. Within the broader sensor hierarchy, the MPX5700GP belongs to the MEMS (Micro-Electro-Mechanical Systems) category, specifically analog-output absolute and gauge pressure sensors, and sits at the boundary between the physical sensing element (the micromachined silicon diaphragm) and the signal-conditioning electronics typically integrated inside a microcontroller or ADC data-acquisition chain.
Key features include a calibrated full-scale span of 4.5 V (from 0.2 V offset to 4.7 V full scale), typical full-scale accuracy of approximately ±2.5 % over 0 to 85 °C, ratiometric output that scales with supply voltage, and integrated temperature compensation that eliminates the need for external trimming. The device targets MCU/MPU-based designs with an A/D input and is shipped in a ported 6-SIP module that accepts a 4.93 mm (0.19 in) tube fitting for direct pneumatic connection.
The MPX5700GP monolithically integrates the strain-gauge bridge, the temperature-compensation network, and the gain/offset signal-conditioning stages on a single silicon die, allowing the output to be read directly with a 10-bit or 12-bit ADC without further analog processing. The ratiometric architecture means that Vout tracks Vcc, so ADC measurements using Vcc as the reference voltage inherently cancel supply-noise error.
Typical applications include industrial air-pressure monitoring, HVAC duct pressure measurement, gas-metering instrumentation, medical respiratory equipment, automotive manifold absolute pressure sensing, process-control pneumatics, and barometric weather-station front ends that require a calibrated, MCU-ready analog signal up to 7 bar absolute-equivalent gauge range.
When designing with this device, route Vcc through a 10 µF bulk plus 100 nF decoupling capacitor placed within 10 mm of the supply pins, and condition the analog output with a unity-gain buffer or feed it directly into an ADC with Vcc-referred input range. Avoid mounting the ported module with the inlet pointing downward when measuring liquid-bearing media, as the straight tube geometry is optimized for clean dry gas.
This page synthesizes distributor pricing, drop-in alternatives from NXP's MPX5700 family and competing gauge pressure sensors, and practical design notes not found in the manufacturer datasheet.
Alternatives de remplacement direct pour MPX5700GP — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec MPX5700GP (même facteur de forme et même empreinte) — différant par Mounting Type, Operating Pressure Range, Output Type, Accuracy, Package.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
MPX5700AP
✅ Remplacement direct✓ En stock
$12.03 / unité
Voir la fiche technique →MPX5700DP
✅ Remplacement direct✓ En stock
$9.2 / unité
Voir la fiche technique →MPX5700GP1
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
MPX5500GP
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
MPX5999D
✅ Remplacement direct✓ En stock
$7.95 / unité
Voir la fiche technique →MPX5700GP Valeurs maximales et caractéristiques électriques
| Pressure Type | Vented Gauge |
| Operating Pressure Range | 0 kPa to 700 kPa (0 PSI to 101.53 PSI) |
| Supply Voltage (Vcc) | 4.75 V to 5.25 V (typ. 5.0 V) |
| Plage de tension de sortie | 0.2 V to 4.7 V |
| Full-Scale Span | 4.5 V (typ.) |
| Offset (Zero Pressure) | 0.2 V (typ.) |
| Accuracy | ±2.5 % full scale (0 to 85 °C) |
| Température de fonctionnement | -40 °C to +125 °C |
| Storage Temperature | -40 °C to +125 °C |
| Port Size | 0.19 in (4.93 mm) Tube Male |
| Boîtier / Format | 6-SIP Module |
| Type de montage | Through-Hole (ported) |
| Type de sortie | Analog, ratiometric |
Configuration des broches de MPX5700GP
| Broche 1 | Vout — Analog ratiometric output voltage (0.2 V to 4.7 V) |
| Broche 2 | GND — Common ground return for Vcc and Vout |
| Broche 3 | Vcc — Regulated 5 V supply input (4.75 V to 5.25 V) |
| Broche 4 | NC — Not connected (no internal bond) |
| Broche 5 | NC — Not connected (no internal bond) |
| Broche 6 | NC / Case Port — Not connected electrically; mechanical case port for tube inlet reference (per datasheet) |
Applications typiques
MPX5700GP convient pour 6 applications: HVAC Duct Air-Pressure Monitoring, Industrial Pneumatic System Pressure Monitoring, Medical Respiratory and CPAP Pressure Sensing, Automotive Manifold and Boost-Pressure Sensing, Gas-Metering and Process-Instrumentation Transducers, Barometric Weather Station Front End.
HVAC Duct Air-Pressure Monitoring
The MPX5700GP's 0 to 700 kPa calibrated range covers typical commercial HVAC duct pressures with 40 %+ headroom above the 50 kPa supply-duct working pressure, and its vented-gauge reference means the building's atmospheric baseline is automatically subtracted. The ratiometric 0.2 V to 4.7 V output drives any 10-bit or 12-bit ADC without external op-amps, and the integrated temperature compensation holds ±2.5 % accuracy across the full HVAC ambient range of 0 to 85 °C. Place the sensor on the supply-air branch near the VAV box with a 100 nF decoupling cap on Vcc; the 4.93 mm tube inlet accepts standard pneumatic tubing without adapters. Avoid moisture carryover from chilled coils - install a small inline water trap upstream of the port.
Recommandé
Industrial Pneumatic System Pressure Monitoring
Factory pneumatic lines operating at 6 bar (600 kPa) sit comfortably below the MPX5700GP's 700 kPa full scale with only a 17 % safety margin, making the sensor a calibrated digital-ready front end for PLC analog modules. The ratiometric output scales with Vcc, so a noisy 24 V-to-5 V buck feeding the sensor and the ADC together preserves accuracy without extra filtering. Use the 6-SIP module's 4.93 mm port to attach directly to standard 6 mm push-to-connect fittings; the integrated temperature compensation eliminates the per-cabinet trim that discrete bridge sensors require. The MPX5700DP differential variant is preferable when both sides of a pneumatic actuator must be read simultaneously with one die.
Recommandé
Medical Respiratory and CPAP Pressure Sensing
Medical respiratory devices benefit from the MPX5700GP's calibrated accuracy of ±2.5 % over the 0 to 85 °C operating range and its wide 0 to 700 kPa span that comfortably covers inspiratory, expiratory, and CPAP therapy pressures. The vented-gauge reference prevents drift that would otherwise require per-patient calibration, and the 5 V analog output integrates with hospital-grade analog front ends. Important caveats apply: this part is not a medical-grade qualified component, and designers targeting IEC 60601 must add the required isolation and alarm chain downstream of the sensor. Use a bacterial filter on the 4.93 mm tube inlet to protect patients from cross-contamination.
Recommandé
Automotive Manifold and Boost-Pressure Sensing
Although automotive MAP sensors typically target the 10 to 115 kPa range, the MPX5700GP suits heavy-duty diesel and off-road vehicle boost-pressure monitoring where readings up to 700 kPa (7 bar) gauge are needed. The -40 to +125 °C operating range covers under-hood thermal extremes, and the vented-gauge reference automatically compensates for altitude and weather changes. Pair this sensor with an NXP Kinetis or S32K MCU whose 12-bit ADC uses Vcc as reference to cancel supply noise through the ratiometric output; size any input resistor ladder to keep the maximum 4.7 V output below the MCU's analog reference. Always mount the port tube facing downward to prevent water ingestion.
Recommandé
Gas-Metering and Process-Instrumentation Transducers
Gas-metering instruments benefit from the MPX5700GP's factory calibration to ±2.5 % full-scale accuracy without per-unit trimming, which reduces production-line test time and cost. The 0 to 700 kPa gauge range covers low-pressure natural-gas distribution (typically less than 100 kPa working pressure) with eight times headroom for transient spikes. The ratiometric 5 V output feeds directly into 4-20 mA loop converters or 24-bit sigma-delta ADCs for high-resolution billing instrumentation; the integrated temperature compensation covers -40 to +125 °C ambient conditions found in outdoor meter housings. Always plumb the inlet through a pressure snubber to protect the silicon diaphragm from water-hammer damage.
Recommandé
Barometric Weather Station Front End
Hobbyist and semi-professional weather stations use the MPX5700GP's vented-gauge reference to display true barometric pressure without needing a separate atmospheric reference channel. While professional barometers target the 50 to 110 kPa range well below the sensor's 700 kPa maximum, the GP's offset stability and ±2.5 % accuracy make it sufficient for storm-warning trend detection. Power the sensor continuously to avoid the 30-minute thermal warm-up that offset and span suffer on cold-start; the ratiometric output pairs naturally with a 16-bit ADC such as the ADS1115 for 0.01 kPa resolution. Add a Gore-Tex vent cover on the tube inlet to prevent rain ingress while maintaining atmospheric reference flow.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour MPX5700GP — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | MPX5700AP | MPX5700DP | MPX5700GP1 | MPX5500GP | MPX5999D |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 6-SIP Module (ported) | 6-SIP Module (ported) | 6-SIP Module (ported) | 6-SIP Module (ported, reversed port) | 6-SIP Module (ported) | 6-SIP Module (ported) |
| Pressure Type | Vented Gauge | Absolute | Differential | Vented Gauge | Vented Gauge | Differential |
| Pressure Range | 0 to 700 kPa | 0 to 700 kPa | 0 to 700 kPa | 0 to 700 kPa | 0 to 500 kPa | 0 to 1000 kPa |
| 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 | 4.75 V to 5.25 V | 4.75 V to 5.25 V |
| Output Voltage | 0.2 V to 4.7 V | 0.2 V to 4.7 V | 0.2 V to 4.7 V | 0.2 V to 4.7 V | 0.2 V to 4.7 V | 0.2 V to 4.7 V |
| Accuracy | ±2.5 % FS | ±2.5 % FS | ±2.5 % FS | ±2.5 % FS | ±2.5 % FS | ±2.5 % FS |
| 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 +125 °C |
Principaux différenciateurs
- Pin-compatible across the entire MPX5700 family (vs MPX5700DP (differential))
- Lowest pressure-range option for gauge-only applications (vs MPX5999D (1000 kPa))
- Vented-gauge reference for atmospheric drift cancellation (vs MPX5700AP (absolute))
Notes de conception
Estimate: at 5.0 V Vcc and a typical supply current of 5 mA, the MPX5700GP dissipates roughly 25 mW - negligible for thermal design but still warrants proper decoupling. Place a 100 nF X7R ceramic capacitor within 10 mm of the Vcc pin and a 10 µF tantalum or ceramic bulk capacitor on the same supply node. Without local decoupling, the high-impedance piezoresistive bridge can pick up switching noise from nearby DC-DC converters and inject a 50-200 mV error into the analog output, which on a 4.5 V span equals up to 4.4 % full-scale error.
Although the MPX5700GP uses through-hole pins on a SIP module rather than SMD pads, downstream PCB layout still matters. Route the analog output trace away from switching regulator inductors and PWM signals, and place a unity-gain buffer (such as an MCP6001 or LM358) within 50 mm of the sensor when long cable runs are required. The buffer prevents capacitive loading and ADC-input leakage from disturbing the sensor's high-impedance output stage. Always tie the analog ground and digital ground at a single point near the sensor's GND pin to minimize ground-loop error.
Three common pitfalls to avoid: (1) do not connect the MPX5700GP output directly to a 3.3 V MCU ADC - the 4.7 V maximum exceeds the input rating and can latch up the pin; add a resistor divider or use a 5 V-tolerant ADC. (2) Do not block the port inlet or submerse it in liquid - the vented-gauge reference requires free airflow to atmosphere. (3) Do not apply a vacuum pulse without verifying the absolute minimum pressure rating; per the datasheet family, exposure beyond the published overpressure maximum can rupture the silicon diaphragm permanently.
To achieve the best ADC resolution, drive the sensor and the ADC reference from the same low-noise 5 V rail and use that rail as the reference voltage. Because the MPX5700GP output is ratiometric, any Vcc ripple is cancelled in the ADC conversion. For 12-bit measurements, ensure the 5 V rail holds within ±25 mV (1 LSB at 5 V / 4096), or add an external low-dropout regulator such as the LP2985 to isolate the sensor from digital noise on a shared rail.
Informations de conformité
RoHS/REACH status was not present in the verified web data; compliance info is left at 'unknown'. AEC-Q100 is set to 'not_applicable' since the MPX5700GP is not marketed as an automotive-qualified part; automotive designs should evaluate the MPX4100A or AEC-Q100-qualified MPX family members instead.