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NXP Semiconductors MP3H6115AC6T1
- Part No.:
- MP3H6115AC6T1
- Manufacturer:
- NXP Semiconductors
- Category:
- Pressure Sensors, Transducers
- Package:
- 8-SOIC (0.335", 8.50mm Width), Top Port
- Datasheet:
-
MP3H6115AC6T1.pdf
- Description:
- SENSOR 16.68PSIA 0.13" 2.8V SSOP
- Quantity:
- Payment:
- Shipping:
Inventory:300
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Product details
Overview
MP3H6115AC6T1 from Freescale Semiconductor is an absolute pressure sensor with 15–115 kPa range, ratiometric analog output (2.7–3.3 V supply), ±1.5% full-scale accuracy over 0–85 °C, and integrated on-chip temperature compensation. It delivers a high-level voltage output (0.079–2.861 V) directly compatible with microcontroller ADCs in engine MAP and barometric sensing applications.
For engineers reviewing the MP3H6115AC6T1 datasheet, MP3H6115AC6T1 pinout, MP3H6115AC6T1 application, or MP3H6115AC6T1 equivalent, key selection criteria include its absolute pressure reference, SSOP-8 package with 5 DNC pins, 1.0 ms response time, and fluorosilicone-gel-isolated silicon diaphragm for media compatibility with dry air.
Technical Context
The MP3H6115AC6T1 integrates a piezoresistive silicon sensing element with bipolar op-amp signal conditioning and thin-film resistor networks for gain and offset calibration. Its transfer function is VOUT = VS × (0.009 × P – 0.095), ratiometric to supply voltage and compensated across –40 °C to +125 °C.
It uses a sealed vacuum reference cavity and fluorosilicone gel encapsulation to isolate wire bonds and die while transmitting pressure to the diaphragm. The device operates only with dry air as pressure media; alternate media require factory validation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Pressure Range | 15–115 kPa absolute; covers manifold absolute pressure (MAP) and barometric measurement in aviation and weather systems. |
| Output Voltage Range | 0.079–2.861 V at VS = 3.0 V; provides >2.7 V full-scale span for robust 10-bit+ ADC resolution without external amplification. |
| Accuracy | ±1.5% of full-scale span (VFSS) over 0–85 °C; enables direct use in automotive and industrial control without system-level recalibration. |
| Response Time | 1.0 ms (10–90%); supports dynamic pressure monitoring in fast-cycling engine intake manifolds. |
| Supply Voltage | 2.7–3.3 V DC; ratiometric operation ensures stable scaling with microcontroller VREF and eliminates supply drift errors. |
| Operating Temperature | –40 to +125 °C; qualified for under-hood automotive environments and unheated outdoor weather stations. |
| Offset Stability | ±0.25% VFSS after 1000 pressure/temperature cycles; ensures long-term reliability in repetitive industrial control loops. |
Pinout & Package
MP3H6115AC6T1 is housed in a surface-mount super small outline package (Case 98ARH99089A), 8-pin, thermoplastic (PPS) body with chamfered corner marking Pin 1. Dimensions match SSOP footprint (1.27 mm pitch, 3.81 mm × 4.83 mm body).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | DNC | Internal connection; must remain unconnected-no grounding or routing to avoid interference with internal biasing. |
| 2 | VS | Positive supply input (2.7–3.3 V); requires local 100 nF decoupling per recommended circuit to suppress noise-induced output ripple. |
| 3 | GND | Analog ground reference; must be tied to clean system AGND plane, separate from digital return paths to minimize offset error. |
| 4 | VOUT | Ratiometric analog output (0.079–2.861 V); connects directly to MCU ADC input; output sink/source capability ±0.5 mA limits RC filter sizing. |
| 5–8 | DNC | All internal connections; no external connection permitted-floating terminals prevent parasitic coupling into sensitive analog front-end. |
Key Features
| Feature | Design Value |
|---|---|
| On-chip temperature compensation | Validated from –40 °C to +125 °C; eliminates need for external thermistor or software lookup tables in embedded systems. |
| Fluorosilicone gel isolation | Protects wire bonds and die from moisture and particulates while enabling pressure transmission-critical for long-term stability in humid environments. |
| Sealed vacuum reference | Enables true absolute pressure measurement without external reference port or plumbing, simplifying mechanical integration in compact enclosures. |
| Ratiometric transfer function | VOUT scales linearly with VS; allows shared voltage reference between sensor and ADC, removing supply tolerance as an error source. |
| Dry-air media qualification | Specified performance and lifetime validated only with dry air; prevents unexpected drift or corrosion when used per datasheet conditions. |
Applications
| Aviation Altimeters | Engine MAP Sensing |
|---|---|
Use Scenario: Measuring atmospheric pressure for altitude calculation in unmanned aerial vehicles (UAVs) and light aircraft. IC Role / Device Role / Timing Role: Absolute pressure transducer providing primary altitude reference via calibrated kPa-to-altitude conversion. Use Value: ±1.5% VFSS accuracy and –40 to +85 °C operational range ensure reliable flight envelope tracking without field recalibration. | Use Scenario: Monitoring intake manifold pressure in gasoline and diesel engines for fuel injection timing and air mass estimation. IC Role / Device Role / Timing Role: Primary MAP sensor delivering real-time analog pressure data to ECU for closed-loop combustion control. Use Value: 1.0 ms response time and ratiometric output enable precise transient load detection and synchronization with crankshaft position signals. |
| Weather Station Barometers | Industrial Process Monitoring |
Use Scenario: Long-term ambient pressure logging in unheated outdoor weather reporting stations. IC Role / Device Role / Timing Role: Absolute pressure sensing element with integrated signal conditioning for direct ADC interfacing. Use Value: Offset stability of ±0.25% VFSS over 1000 thermal/pressure cycles ensures multi-year calibration retention in remote deployments. | Use Scenario: Monitoring sealed chamber pressure in HVAC control panels and pneumatic automation systems. IC Role / Device Role / Timing Role: Conditioned analog pressure interface for PLC analog inputs or microcontroller-based PID controllers. Use Value: SSOP-8 surface-mount package enables high-density PCB layouts; PPS thermoplastic housing resists industrial chemical exposure. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar absolute pressure sensing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MPX5115A | Same pressure range (15–115 kPa) and SSOP-8 package, but uses Case 98ARH99066A; lacks fluorosilicone gel isolation and has ±2.0% accuracy. | Lower-cost option for non-critical industrial controls where long-term drift is managed via periodic recalibration. | Select MPX5115A only if budget constraints outweigh need for extended calibration stability and enhanced environmental protection. |
| SP120-100KPA | 100 kPa range (vs. 115 kPa), 5 V supply, ±1.0% accuracy, SOIC-8 package; no on-chip temperature compensation-requires external thermistor network. | Suitable for fixed-temperature lab equipment or consumer-grade weather devices where ambient temperature remains stable. | Choose SP120-100KPA only when 5 V supply architecture exists and thermal compensation can be implemented externally. |
Compared with MPX5115A and SP120-100KPA, the MP3H6115AC6T1 offers superior long-term stability due to fluorosilicone encapsulation and wider temperature-compensated range, making it preferred for automotive and unattended outdoor deployments where recalibration is impractical.
Availability
MP3H6115AC6T1 is available at Aetrix Electronics and suitable for engine control units, aviation altimeters, and weather station barometers requiring stable component supply across automotive, aerospace, and industrial OEM programs.
Supply support for MP3H6115AC6T1 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
Freescale Semiconductor (now part of NXP Semiconductors) is a fabless semiconductor company specializing in embedded processing, sensors, and analog solutions for automotive, industrial, and consumer markets.
The MP3H6115AC6T1 belongs to Freescale's MP3H series of monolithic, signal-conditioned silicon pressure sensors, designed specifically for cost-sensitive, high-reliability absolute pressure measurement in microcontroller-based systems.
FAQ
What is the pressure media compatibility of the MP3H6115AC6T1?
The MP3H6115AC6T1 is qualified for use with dry air only. Its fluorosilicone gel isolation and vacuum reference cavity are validated under dry-air conditions; other media-including moisture, oils, or corrosive gases-may degrade long-term performance or cause irreversible damage. Freescale explicitly states that alternate media require factory consultation before deployment. Always verify media compatibility with NXP (ex-Freescale) technical support prior to integration.
Does the MP3H6115AC6T1 require external temperature compensation?
No, the MP3H6115AC6T1 does not require external temperature compensation. It features fully integrated on-chip temperature compensation validated from –40 °C to +125 °C, implemented via thin-film resistor networks and bipolar op-amp circuitry. This eliminates the need for external thermistors, lookup tables, or software correction algorithms-reducing BOM count and firmware complexity in systems using the MP3H6115AC6T1.
What is the meaning of "DNC" on five pins of the MP3H6115AC6T1?
"DNC" stands for "Do Not Connect." Pins 1 and 5–8 of the MP3H6115AC6T1 are internal device connections with no external functionality. They must remain unconnected-neither grounded nor routed-to avoid disrupting internal biasing, introducing noise, or causing measurement inaccuracies. The datasheet explicitly warns against connecting these pins, as doing so may compromise the MP3H6115AC6T1's specified accuracy and stability.
Can the MP3H6115AC6T1 be used in differential or gauge pressure configurations?
No, the MP3H6115AC6T1 is an absolute pressure sensor only, with a sealed vacuum reference cavity. It cannot be configured for differential or gauge pressure measurement. Its design, calibration, and specifications-including pressure range (15–115 kPa absolute) and transfer function-are strictly defined for absolute reference applications. For differential or gauge sensing, alternative parts such as MP3V5050 or MPXV7025 must be selected.
What is the warm-up time specification for the MP3H6115AC6T1?
The MP3H6115AC6T1 has a maximum warm-up time of 20 ms-the time required after power-on for the output voltage to stabilize within its specified accuracy band. This value assumes stabilized pressure and ambient temperature; it reflects internal circuit settling, not thermal equilibrium of the package. The short warm-up time supports rapid sampling in battery-powered or duty-cycled systems using the MP3H6115AC6T1.
MP3H6115AC6T1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- 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:
- 0.12 V ~ 2.8 V
- Accuracy:
- ±1.5%
- Voltage - Supply:
- 2.7V ~ 3.3V
- 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
MP3H6115AC6T1 FAQ
1.How can I place an order for MP3H6115AC6T1 through Aetrix?
Please submit a Request for Quotation (RFQ) for MP3H6115AC6T1 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 MP3H6115AC6T1 reliable?
The price and inventory of MP3H6115AC6T1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MP3H6115AC6T1 is usually 5 days.
3.What payment methods are accepted for MP3H6115AC6T1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MP3H6115AC6T1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MP3H6115AC6T1?
MP3H6115AC6T1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MP3H6115AC6T1 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 MP3H6115AC6T1?
For technical support, including MP3H6115AC6T1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MP3H6115AC6T1 requirements.
6.How does Aetrix verify that MP3H6115AC6T1 is sourced from the original manufacturer or authorized distributors?
All MP3H6115AC6T1 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 MP3H6115AC6T1 meets industry standards.
7.What is the process for return or replacement of MP3H6115AC6T1?
All MP3H6115AC6T1 units undergo pre-shipment inspection (PSI). If there is an issue with MP3H6115AC6T1, 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 MP3H6115AC6T1 part is unused and in its original packaging.
Return procedure for MP3H6115AC6T1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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