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NXP Semiconductors MPXAZ6115APT1
- Part No.:
- MPXAZ6115APT1
- Manufacturer:
- NXP Semiconductors
- Category:
- Pressure Sensors, Transducers
- Package:
- 8-SMD, Gull Wing, Side Port
- Datasheet:
-
MPXAZ6115APT1.pdf
- Description:
- SENSOR 16.68PSIA 0.13" 4.7V 8SOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,713
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Product details
Overview
MPXAZ6115APT1 from NXP Semiconductors (formerly Freescale) is an absolute pressure sensor IC with monolithic silicon piezoresistive sensing element, on-chip bipolar op amp signal conditioning, and integrated temperature compensation. It delivers a ratiometric analog output (0.200 V to 4.700 V at 5.0 V supply) over a 15–115 kPa range, ±1.5% full-scale accuracy from 0 °C to 85 °C, and operates across –40 °C to +125 °C. It is used in engine manifold absolute pressure (MAP) sensing and barometric measurement in weather stations.
For engineers reviewing the MPXAZ6115APT1 datasheet, MPXAZ6115APT1 pinout, MPXAZ6115APT1 application, or MPXAZ6115APT1 equivalent, this page provides verified technical context, validated pin functions, real-world use cases, and confirmed alternative parts for industrial and automotive pressure-sensing designs requiring media-resistant packaging and stable analog output.
Technical Context
The MPXAZ6115APT1 integrates a micromachined silicon diaphragm with thin-film resistor networks and bipolar op amp circuitry to generate a high-level analog voltage output proportional to absolute pressure. Its transfer function is VOUT = VS × (0.009 × P − 0.095), where VS = 5.0 V ± 0.25 V and P is pressure in kPa.
On-chip temperature compensation corrects offset and span drift across –40 °C to +125 °C using calibrated resistor networks; fluorosilicone gel encapsulation isolates the die while transmitting pressure, enabling resistance to high humidity and common automotive fluids. The device exhibits 1.0 ms response time and 20 ms warm-up time.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Pressure Range | 15–115 kPa absolute - supports MAP sensing and barometric applications without external amplification or scaling. |
| Output Voltage Range | 0.200 V to 4.700 V at VS = 5.0 V - ratiometric output enables direct ADC interfacing with microcontrollers. |
| Accuracy | ±1.5% of full-scale span (VFSS) over 0 °C to 85 °C - includes linearity, temperature hysteresis, pressure hysteresis, TcSpan, and TcOffset errors. |
| Supply Voltage | 4.75–5.25 V DC - tight excitation tolerance ensures stable output scaling and minimal ratiometric error. |
| Operating Temperature | –40 °C to +125 °C - qualified for under-hood automotive environments and industrial control enclosures. |
| Response Time | 1.0 ms (10% to 90%) - suitable for dynamic pressure monitoring such as intake manifold transients. |
| Offset Stability | ±0.25% VFSS after 1000 pressure/temperature cycles - confirms long-term reliability in cyclic duty applications. |
Pinout & Package
MPXAZ6115APT1 uses the durable thermoplastic (PPS) small outline package Case 98ASA99303D, with 8-pin leadframe and chamfered corner marking Pin 1. The package is surface-mount compatible and optimized for reflow soldering.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | DNC | Do not connect - electrically isolated; serves only as mechanical pin 1 identifier via chamfered corner. |
| 2 | VS | Voltage supply input - accepts 4.75–5.25 V DC; powers internal op amp and sensing bridge. |
| 3 | GND | Analog ground reference - must be low-impedance connection to minimize noise coupling into VOUT. |
| 4 | VOUT | Analog output - delivers ratiometric voltage proportional to absolute pressure; requires 100 nF decoupling capacitor per datasheet. |
| 5–8 | DNC | Do not connect - all four pins are electrically floating and must remain unconnected in PCB layout. |
Key Features
| Feature | Design Value |
|---|---|
| Media-resistant gel encapsulation | Fluorosilicone gel protects die and wire bonds from humidity and automotive fluids while transmitting pressure accurately. |
| On-chip temperature compensation | Calibrated resistor networks correct offset and span drift across –40 °C to +125 °C without external circuitry. |
| High-output analog interface | 4.5 V full-scale span eliminates need for external amplification when interfacing with 5 V ADCs or microcontrollers. |
| Ratiometric output architecture | VOUT scales linearly with VS, reducing sensitivity to supply rail variation and simplifying system-level calibration. |
| Small outline surface-mount package | Case 98ASA99303D enables compact placement in space-constrained engine control units and portable weather instruments. |
Applications
| Engine Manifold Absolute Pressure (MAP) | Weather Station Barometer |
|---|---|
|
Use Scenario: Real-time measurement of intake manifold pressure in gasoline and diesel engines for fuel injection timing and air mass calculation. IC Role / Device Role / Timing Role: Absolute pressure transducer providing analog voltage output directly proportional to manifold vacuum/boost pressure. Use Value: Enables precise air-fuel ratio control with ±1.5% VFSS accuracy and operation up to +125 °C ambient, meeting OEM engine control requirements. |
Use Scenario: Atmospheric pressure monitoring in portable and fixed-location weather reporting devices. IC Role / Device Role / Timing Role: High-stability absolute pressure sensor delivering calibrated analog output for digital barometric trend analysis. Use Value: Delivers 1.0 ms response and ±0.25% VFSS offset stability over 1000 pressure cycles, ensuring reliable long-term barometric logging. |
| Industrial HVAC Pressure Monitoring | Medical Respiratory Equipment |
|
Use Scenario: Differential and absolute pressure sensing in commercial HVAC ducts and filter monitoring systems. IC Role / Device Role / Timing Role: Absolute reference sensor used with differential sensors to establish baseline atmospheric pressure for accurate delta-P calculations. Use Value: Operates reliably from –40 °C to +125 °C and resists high humidity, supporting continuous operation in unconditioned rooftop HVAC units. |
Use Scenario: Non-invasive airway pressure monitoring in ventilators and CPAP machines. IC Role / Device Role / Timing Role: Primary absolute pressure transducer converting patient airway pressure into analog voltage for closed-loop pressure regulation. Use Value: Fluorosilicone gel isolation ensures biocompatibility with humidified gas streams and prevents moisture-induced drift during extended therapy sessions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar absolute pressure sensing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MPXH6115A6T1 | Super small outline package (Case 98ARH99066A); same 15–115 kPa range and ±1.5% accuracy but lacks media-resistant gel. | Preferred for space-constrained PCBs where environmental sealing is handled externally; unsuitable for direct exposure to automotive fluids. | Select when board-level conformal coating or housing provides media protection and footprint area is critical. |
| MPXV7002DP | Differential pressure sensor (0–2 kPa range); no absolute reference; requires external vacuum reference for absolute measurement. | Used in low-pressure airflow sensing (e.g., spirometry), not direct MAP or barometric replacement. | Choose only if differential measurement suffices and system design accommodates external reference plumbing. |
Compared with MPXH6115A6T1, MPXAZ6115APT1 offers superior media resistance for under-hood use but occupies larger PCB area; versus MPXV7002DP, it provides true absolute pressure output without external vacuum reference, simplifying system integration for barometric and MAP applications.
Availability
MPXAZ6115APT1 is available at Aetrix Electronics and suitable for engine control units, weather station instrumentation, and industrial HVAC systems requiring stable component supply, long-lifecycle support, and media-resistant pressure sensing capability.
Supply support for MPXAZ6115APT1 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
NXP Semiconductors is a global semiconductor leader specializing in secure connectivity solutions for automotive, industrial, and IoT applications, with deep heritage in sensor and analog signal conditioning technology.
The MPXAZ6115APT1 belongs to NXP's legacy MPXxx6115A series of monolithic, signal-conditioned absolute pressure sensors, designed specifically for high-reliability automotive and industrial applications demanding media resistance, wide temperature operation, and analog output simplicity.
FAQ
What is the pressure range and output behavior of the MPXAZ6115APT1?
The MPXAZ6115APT1 measures absolute pressure from 15 kPa to 115 kPa and outputs a ratiometric analog voltage ranging from 0.200 V to 4.700 V at VS = 5.0 V. Its transfer function is VOUT = VS × (0.009 × P − 0.095), where P is pressure in kPa. This linear relationship allows direct interfacing with 5 V ADCs without external gain stages, and the output remains stable across its full operating temperature range of –40 °C to +125 °C.
Does the MPXAZ6115APT1 require external temperature compensation?
No, the MPXAZ6115APT1 includes fully integrated on-chip temperature compensation covering –40 °C to +125 °C. Calibration resistor networks correct both offset and full-scale span drift across temperature, eliminating the need for external thermistors or software compensation algorithms. This is confirmed in the datasheet Section 3 and reflected in the ±1.5% VFSS accuracy specification over 0 °C to 85 °C.
What does "DNC" mean for pins 1 and 5–8 on the MPXAZ6115APT1?
"DNC" stands for "Do Not Connect." Pins 1 and 5–8 on the MPXAZ6115APT1 are electrically isolated and serve no functional role in the circuit. Pin 1 is marked by a chamfered corner for orientation only. All DNC pins must remain unconnected in PCB layout - no routing, grounding, or pull-up/pull-down components - to avoid interference with internal biasing and ensure specified performance of the MPXAZ6115APT1.
Is the MPXAZ6115APT1 suitable for automotive engine manifold pressure sensing?
Yes, the MPXAZ6115APT1 is explicitly qualified for engine manifold absolute pressure (MAP) sensing. Its 15–115 kPa range covers typical intake manifold pressures, its ±1.5% VFSS accuracy meets OEM requirements, and its fluorosilicone gel encapsulation resists oil mist, fuel vapor, and high humidity. The device operates continuously from –40 °C to +125 °C, satisfying under-hood thermal demands, and is referenced in the datasheet's "Typical applications" section for MAP use.
What package type and footprint does the MPXAZ6115APT1 use?
The MPXAZ6115APT1 uses the small outline package Case 98ASA99303D - an 8-pin thermoplastic (PPS) surface-mount package with chamfered corner pin 1 identification. Its recommended footprint follows standard SOP land patterns with 2.54 mm pitch; exact dimensions and solder mask guidance are provided in Freescale document 98ASA99303D. This package supports automated reflow assembly and is distinct from the SSOP variants used by MPXH-series parts.
MPXAZ6115APT1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- MPXAZ6115A
- Package/Case:
- 8-SMD, Gull Wing, Side Port
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Applications:
- Board Mount
- Pressure Type:
- Absolute
- Operating Pressure:
- 2.18PSI ~ 16.68PSI (15kPa ~ 115kPa)
- Output Type:
- Analog Voltage
- Output:
- 0.2 V ~ 4.7 V
- Accuracy:
- ±1.5%
- Voltage - Supply:
- 4.75V ~ 5.25V
- Port Size:
- Male - 0.13" (3.17mm) Tube
- Port Style:
- Barbed
- Features:
- Temperature Compensated
- Termination Style:
- Gull Wing
- Maximum Pressure:
- 58.02PSI (400kPa)
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOP
MPXAZ6115APT1 FAQ
1.How can I place an order for MPXAZ6115APT1 through Aetrix?
Please submit a Request for Quotation (RFQ) for MPXAZ6115APT1 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for MPXAZ6115APT1 reliable?
The price and inventory of MPXAZ6115APT1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MPXAZ6115APT1 is usually 5 days.
3.What payment methods are accepted for MPXAZ6115APT1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MPXAZ6115APT1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MPXAZ6115APT1?
MPXAZ6115APT1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MPXAZ6115APT1 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for MPXAZ6115APT1?
For technical support, including MPXAZ6115APT1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MPXAZ6115APT1 requirements.
6.How does Aetrix verify that MPXAZ6115APT1 is sourced from the original manufacturer or authorized distributors?
All MPXAZ6115APT1 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MPXAZ6115APT1 meets industry standards.
7.What is the process for return or replacement of MPXAZ6115APT1?
All MPXAZ6115APT1 units undergo pre-shipment inspection (PSI). If there is an issue with MPXAZ6115APT1, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The MPXAZ6115APT1 part is unused and in its original packaging.
Return procedure for MPXAZ6115APT1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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