MMA8451QR1
low-power 14-bit 3-axis digital accelerometer with FIFO and embedded motion detection
Key details
| Part Number | MMA8451QR1 |
|---|---|
| Manufacturer | NXP Semiconductors |
| Category | Accelerometer |
| Lifecycle Status | Obsolete |
| Series | MMA8451Q |
| Package / Case | 16-pin QFN, 3 mm x 3 mm x 1 mm, tape and reel |
| Pin Count | 16 |
| Operating Temperature | -40°C to +85°C |
| Last Verified | 2026-07-30 |
Part information
MMA8451QR1 Overview
MMA8451QR1 is a NXP Semiconductors low-power 14-bit 3-axis digital accelerometer with FIFO and embedded motion detection supplied in 16-pin QFN, 3 mm x 3 mm x 1 mm, tape and reel. This page uses the exact orderable code because package, grade, temperature and option suffixes can change compatibility.
Key Technical Specifications
| Verified Ordering Code | MMA8451QR1 |
|---|---|
| Acceleration Full Scale | ±2 g, ±4 g, or ±8 g |
| Output Resolution | 14-bit or 8-bit |
| Output Data Rate | 1.56 Hz to 800 Hz |
| Digital Interface | I2C |
| Supply Voltage | 1.95 V to 3.6 V |
Package and Ordering Notes
The listed package is 16-pin QFN, 3 mm x 3 mm x 1 mm, tape and reel with 16 pins, leads, lands or contacts. The featured image is a generic package illustration for form-factor identification and is not an actual date-code or lot photograph. Lifecycle is recorded as Obsolete; confirm current factory support and last-time-buy constraints before design-in.
Sourcing Guidance
MMA8451QR1 is the manufacturer-verified ordering identity for this record. Confirm package, packing, label traceability, date code, lifecycle, and datasheet revision before ordering. Manufacturer guidance names FXLS8971CF or FXLS8974CF (manufacturer-recommended; not stated as pin compatible); it is not a drop-in substitute unless independently qualified.
For an accurate quotation, include the full MPN, target quantity, acceptable date-code range, packaging format and destination. Icearth can help review traceability documents, label photos and electrical/package alignment before order placement.
Manufacturer Documentation
Technical values were checked against NXP Semiconductors documentation. Use the linked datasheet as the controlling source and re-check revisions before PCB release or firmware qualification.
MMA8451QR1 FAQ
What is MMA8451QR1?
MMA8451QR1 is a NXP Semiconductors low-power 14-bit 3-axis digital accelerometer with FIFO and embedded motion detection. The verified manufacturer ordering code is MMA8451QR1.
What are the key specifications of MMA8451QR1?
Verified Ordering Code is MMA8451QR1, while Acceleration Full Scale is ±2 g, ±4 g, or ±8 g. Use the linked manufacturer datasheet for revision-controlled limits and test conditions.
What package does MMA8451QR1 use?
MMA8451QR1 is supplied in 16-pin QFN, 3 mm x 3 mm x 1 mm, tape and reel with 16 pins, leads, lands or contacts. Verify the manufacturer land pattern, port orientation, and packing format before PCB or procurement approval.
What is the lifecycle status of MMA8451QR1?
MMA8451QR1 is listed by the manufacturer as obsolete, end of life, or no longer manufactured as checked on 2026-07-30. Confirm factory support, last-order constraints, and availability for the exact order code before placing an order.
What should be checked before sourcing MMA8451QR1?
Quote MMA8451QR1 exactly and confirm package, packing format, device marking, date code, traceability, lifecycle status, and the controlling datasheet revision. Do not substitute a related family code without an independent electrical and mechanical review.
Lifecycle and sourcing review
This part has a legacy lifecycle status. Submit the exact MPN, quantity, delivery destination and date-code requirements for a sourcing review.
MMA8451QR1 is the manufacturer-verified ordering identity for this record. Confirm package, packing, label traceability, date code, lifecycle, and datasheet revision before ordering. Manufacturer guidance names FXLS8971CF or FXLS8974CF (manufacturer-recommended; not stated as pin compatible); it is not a drop-in substitute unless independently qualified.
Potential alternative part numbers
Verify package, pinout, voltage, firmware behavior and qualification before substitution.