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NXP Semiconductors MPXH6115AC6T1
- Part No.:
- MPXH6115AC6T1
- Manufacturer:
- NXP Semiconductors
- Category:
- Pressure Sensors, Transducers
- Package:
- 8-SOIC (0.335", 8.50mm Width), Top Port
- Datasheet:
-
MPXH6115AC6T1.pdf
- Description:
- SENSOR 16.68PSIA 0.13" 4.7V SSOP
- Quantity:
- Payment:
- Shipping:
Inventory:418
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Product details
Overview
MPXH6115AC6T1 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 thin-film temperature compensation. It delivers 4.7 V typical output at 115 kPa, ±1.5% full-scale accuracy over 0 °C to 85 °C, and operates from 4.75–5.25 V supply - used in engine MAP sensing, industrial barometric monitoring, and weather station pressure acquisition.
For engineers reviewing the MPXH6115AC6T1 datasheet, MPXH6115AC6T1 pinout, MPXH6115AC6T1 application, or MPXH6115AC6T1 equivalent, key selection criteria include its 15–115 kPa absolute pressure range, ratiometric 5 V operation, SSOP-8 super small outline package, and integrated temperature compensation from –40 °C to +125 °C.
Technical Context
The MPXH6115AC6T1 integrates a micromachined silicon diaphragm with piezoresistive elements, thin-film metallization, and bipolar analog circuitry to generate a high-level analog voltage output proportional to absolute pressure. Its sealed vacuum reference cavity enables true absolute pressure measurement independent of ambient atmospheric variation.
On-chip temperature compensation uses resistor networks and bipolar amplifier topology to correct offset and span drift across –40 °C to +125 °C. The device is ratiometric: output scales linearly with supply voltage, simplifying ADC interfacing in microcontroller-based systems without external voltage references.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Pressure Range | 15–115 kPa absolute - covers manifold absolute pressure (MAP), barometric, and low-range industrial vacuum applications. |
| Supply Voltage | 4.75–5.25 V DC - ratiometric operation ensures output scaling matches supply, eliminating need for precision voltage reference. |
| Full-Scale Output | 4.633–4.768 V at 115 kPa and 5.0 V supply - provides >4.5 V swing for robust noise margin into 12-bit+ ADCs. |
| Accuracy | ±1.5% of full-scale span (VFSS) over 0 °C to 85 °C - includes linearity, hysteresis, TcOffset, and TcSpan errors per datasheet spec. |
| Response Time | 1.0 ms (10% to 90%) - supports dynamic pressure monitoring in fast-cycling combustion or HVAC control loops. |
| Operating Temp | –40 °C to +125 °C - qualified for under-hood automotive and industrial environments without external thermal shielding. |
| Sensitivity | 45.0 mV/kPa - enables direct interpretation of output voltage as pressure without calibration lookup tables. |
Pinout & Package
MPXH6115AC6T1 uses the super small outline package (SSOP-8), case number 98ARH99089A, with 1.27 mm pitch, 9.83 mm × 3.81 mm body, and thermoplastic PPS housing rated for high humidity and automotive media exposure.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | DNC | Do not connect - mechanical pin 1 identifier only (chamfered corner); no internal connection. |
| 2 | VS | Positive supply input - must be 4.75–5.25 V DC; powers internal op amp and sensing bridge. |
| 3 | GND | Analog ground reference - requires low-impedance connection to system ground plane for stable offset. |
| 4 | VOUT | Analog voltage output - ratiometric, 0.133–4.768 V DC over 15–115 kPa; connects directly to ADC input. |
| 5–8 | DNC | Do not connect - unused terminals; electrically isolated and unconnected internally. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated temperature compensation | On-die thin-film resistor networks correct offset and span drift across –40 °C to +125 °C without external components. |
| Fluorosilicone gel isolation | Protects wire bonds and die surface from moisture and automotive fluids while transmitting pressure to the silicon diaphragm. |
| Sealed vacuum reference | Enables true absolute pressure measurement referenced to hard vacuum - critical for barometric and MAP applications. |
| Ratiometric output | Output voltage scales linearly with VS; eliminates need for separate voltage reference when using same supply for ADC and sensor. |
| High reliability PPS package | Thermoplastic surface-mount housing withstands thermal cycling, vibration, and humidity - qualified for automotive under-hood use. |
Applications
| Engine Manifold Absolute Pressure (MAP) | Industrial Barometric Monitoring |
|---|---|
|
Use Scenario: Real-time intake manifold pressure measurement in gasoline and diesel engines for air-fuel ratio calculation and ignition timing control. IC Role / Device Role / Timing Role: Absolute pressure transducer providing analog voltage output proportional to manifold vacuum/boost pressure. Use Value: ±1.5% VFSS accuracy and –40 °C to +125 °C operation ensure reliable ECU feedback under transient thermal and pressure loads. |
Use Scenario: Long-term atmospheric pressure logging in environmental monitoring stations and automated weather reporting systems. IC Role / Device Role / Timing Role: High-stability absolute pressure sensor feeding calibrated analog output to microcontroller ADC for digital barometric data. Use Value: On-chip temperature compensation maintains <±0.25% VFSS offset stability over 1000 pressure cycles - essential for multi-year field deployment. |
| Weather Station Altitude Compensation | Medical Respiratory Flow Sensing |
|
Use Scenario: Portable or fixed weather stations requiring altitude-independent pressure readings for sea-level corrected barometric forecasts. IC Role / Device Role / Timing Role: Absolute reference sensor measuring ambient pressure relative to sealed vacuum cavity for elevation normalization. Use Value: 15–115 kPa range covers sea level to ~15,000 ft; 1 ms response time captures rapid pressure changes during storm fronts. |
Use Scenario: Low-pressure differential detection in ventilator and spirometer airflow paths using absolute pressure taps upstream/downstream of flow restrictor. IC Role / Device Role / Timing Role: Precision absolute pressure node enabling calculation of flow rate via Bernoulli-derived ΔP relationships. Use Value: 45 mV/kPa sensitivity and 0.133 V minimum output provide >4.5 V full-scale swing - maximizing ADC resolution for sub-Pa pressure resolution. |
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 | No gel encapsulation; bare die exposed to media - lower cost but reduced chemical/humidity resistance. | Suitable for dry-air or inert-gas environments only; not recommended for automotive under-hood or humid outdoor use. | Select MPXH6115AC6T1 when fluorosilicone gel protection against moisture and hydrocarbon vapors is required. |
| MPXHZ6115AC6T1 | Media-resistant gel variant with enhanced chemical compatibility - same package, pinout, and electrical specs. | Validated for aggressive automotive fluids (e.g., brake fluid, coolant) where standard gel may degrade over time. | Choose MPXHZ6115AC6T1 for extended-life deployments in direct contact with automotive media or industrial solvents. |
Compared with MPXH6115A6T1 and MPXHZ6115AC6T1, the MPXH6115AC6T1 offers balanced performance: fluorosilicone gel protection for high-humidity environments without the premium cost or qualification overhead of MPXHZ6115AC6T1's enhanced media resistance.
Availability
MPXH6115AC6T1 is available at Aetrix Electronics and suitable for engine control units, industrial barometric sensors, and weather station instrumentation requiring stable component supply, long-lifecycle support, and automotive-grade reliability.
Supply support for MPXH6115AC6T1 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 acquired Freescale in 2015 and continues to support legacy pressure sensor families with full documentation, qualification data, and long-term supply commitments.
The MPXH6115AC6T1 belongs to the MPXxx6115A series - designed specifically for high-accuracy, temperature-compensated absolute pressure measurement in automotive, industrial, and environmental monitoring systems.
FAQ
What is the pressure reference type of the MPXH6115AC6T1?
The MPXH6115AC6T1 is an absolute pressure sensor with a sealed vacuum reference cavity. Its output voltage corresponds to pressure measured relative to perfect vacuum - not ambient atmospheric pressure or a second port. This makes MPXH6115AC6T1 ideal for barometric and manifold absolute pressure (MAP) applications where reference stability is critical.
Does the MPXH6115AC6T1 require external calibration for typical use?
No, the MPXH6115AC6T1 includes factory-trimmed on-chip temperature compensation and calibration. Its ±1.5% full-scale accuracy over 0 °C to 85 °C is achieved without external resistors, op amps, or software correction - enabling direct connection to a microcontroller ADC. System-level calibration is optional for applications demanding <1% error.
What is the meaning of "C" in MPXH6115AC6T1?
The "C" in MPXH6115AC6T1 denotes fluorosilicone gel encapsulation over the die and wire bonds. This protective layer isolates the silicon from moisture and common automotive media while allowing pressure transmission to the diaphragm - distinguishing it from non-gel variants like MPXH6115A6T1 and enhancing long-term reliability in humid environments.
Can the MPXH6115AC6T1 operate from a 3.3 V supply?
No - the MPXH6115AC6T1 is specified only for 4.75–5.25 V DC operation. Its internal bipolar op amp circuitry and piezoresistive bridge require ≥4.75 V to achieve full 0.133–4.768 V output swing and maintain ±1.5% accuracy. Using 3.3 V will result in saturation, reduced span, and unverified performance outside datasheet limits.
What package type does MPXH6115AC6T1 use, and what are its key mechanical features?
The MPXH6115AC6T1 uses the super small outline package (SSOP-8), case number 98ARH99089A: 8-pin, 1.27 mm pitch, 9.83 mm × 3.81 mm body size, thermoplastic PPS housing. It features a chamfered corner for pin 1 identification and is optimized for reflow soldering with self-aligning footprint geometry per Freescale's recommended land pattern.
MPXH6115AC6T1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- MPXH6115A
- Package/Case:
- 8-SOIC (0.335", 8.50mm Width), Top 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" (3.3mm) Tube
- Port Style:
- Barbless
- 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-SSOP
MPXH6115AC6T1 FAQ
1.How can I place an order for MPXH6115AC6T1 through Aetrix?
Please submit a Request for Quotation (RFQ) for MPXH6115AC6T1 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 MPXH6115AC6T1 reliable?
The price and inventory of MPXH6115AC6T1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MPXH6115AC6T1 is usually 5 days.
3.What payment methods are accepted for MPXH6115AC6T1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MPXH6115AC6T1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MPXH6115AC6T1?
MPXH6115AC6T1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MPXH6115AC6T1 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 MPXH6115AC6T1?
For technical support, including MPXH6115AC6T1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MPXH6115AC6T1 requirements.
6.How does Aetrix verify that MPXH6115AC6T1 is sourced from the original manufacturer or authorized distributors?
All MPXH6115AC6T1 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 MPXH6115AC6T1 meets industry standards.
7.What is the process for return or replacement of MPXH6115AC6T1?
All MPXH6115AC6T1 units undergo pre-shipment inspection (PSI). If there is an issue with MPXH6115AC6T1, 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 MPXH6115AC6T1 part is unused and in its original packaging.
Return procedure for MPXH6115AC6T1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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