Product overview
Description
The MPL3115A2S is a compact, piezoresistive, absolute pressure sensor with an I²C digital interface. MPL3115A2S has a wide operating range of 20 kPa to 110 kPa, a range that covers all surface elevations on earth. The MEMS is temperature compensated utilizing an on-chip temperature sensor. The pressure and temperature data is fed into a high-resolution ADC to provide fully compensated and digitized outputs for pressure in Pascals and temperature in °C. The compensated pressure output can then be converted to altitude.The internal processing in MPL3115A2S removes compensation and unit conversion load from the system MCU, simplifying system design.
The MPL3115A2S advanced ASIC has multiple user programmable modes such as power saving, interrupt and autonomous data acquisition modes, including programmed acquisition cycle timing, and poll-only modes. Typical active supply current is 40 μA per measurement-second for a stable 10 cm output resolution.
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All features
- Operating range: 20 kPa to 110 kPa absolute pressure
- Calibrated range: 50 kPa to 110 kPa absolute pressure
- Calibrated temperature output: −40 °C to 85 °C
- I²C digital output interface
- Fully compensated internally
- Precision ADC resulting in 0.1 meter of effective resolution
- Direct reading
- Pressure: 20-bit measurement (Pascals)
20 kPa to 110 kPa - Altitude: 20-bit measurement (meters)
–698 m to 11,775 m - Temperature: 12-bit measurement (°C)
–40 °C to 85 °C
- Pressure: 20-bit measurement (Pascals)
- Programmable interrupts
- Autonomous data acquisition
- Embedded 32-sample FIFO
- Data logging up to 12 days using the FIFO
- One-second to nine-hour data acquisition rate
- 1.95 V to 3.6 V supply voltage, internally regulated
- 1.6 V to 3.6 V digital interface supply voltage
- Operating temperature from −40 °C to +85 °C
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STMicroelectronics - MPL3115A2S
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Quality and Reliability
| Part Number | Marketing Status | Package | RoHS Compliance Grade | Longevity Commitment | Longevity Starting Date | Material Declaration** |
|---|---|---|---|---|---|---|
| MPL3115A2ST1 | Active Product is in volume production. | TSON8 | Ecopack1 | 10 | 2022-10-31T00:00:00.000+01:00 | |
MPL3115A2ST1
Package:
TSON8Material Declaration**:
(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.
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Sample & Buy
| Part Number | Marketing Status | Budgetary Price (US$)*/Qty | Order from ST | Order from distributors | Package | Packing Type | RoHS | Country of Origin | ECCN (US) | ECCN (EU) | Operating Temperature (°C) (min) | Operating Temperature (°C) (max) | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MPL3115A2ST1 | | | distributors No availability of distributors reported, please contact our sales office |
MPL3115A2ST1 Active
(*) Suggested Resale Price (USD) per defined quantity for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors