MMA8491Q: ±8g, Low g, Digital NXP® Accelerometer
The NXP® MMA8491Q 3-axis accelerometer is an ultra-low-power tilt sensor that is ideal for smart meters, home appliances, asset tracking applications, gaming and remote controls.
Xtrinsic MMA8491Q 3-Axis Accelerometer block diagram
FRDMSTBC-A8491 Sensor Shield Development Board and FRDMKL25-A8491 Demonstration Kit
NXP® Sensor Toolbox Demo at FTF 2016
How to modify the Out of Box Demo for the MMA8491 Digital Accelerometer
Vibration Sensing and Monitoring - Demo
Electronic Tamper Detection Smart Meter - Demo
特性
- Lower power for significant battery saving
- Lead pitch complies with industrial footprint
- Out-of-box tilt detection sensor saves setup time
- Reduce turn-on data latency
- Enables high-resolution application with low-power consumption requirements
- Works well with MCU-based devices
- Wide operating voltage
Recommended Documentation (2)
| Name/Description | Type | Modified Date |
|---|---|---|
| NXP® MMA8491Q 3-Axis Fact Sheet (REV 1) PDF (707.0 kB) MMA8491QFS | Fact Sheets | 15 Nov 2012 |
| MMA8491Q 3-Axis Multifunction Digital Accelerometer (REV 2.1) PDF (669.1 kB) MMA8491Q | Data Sheets | 26 Apr 2016 |
Data Sheets (1)
| Name/Description | Modified Date |
|---|---|
| MMA8491Q 3-Axis Multifunction Digital Accelerometer (REV 2.1) PDF (669.1 kB) MMA8491Q | 26 Apr 2016 |
Application Notes (4)
| Name/Description | Modified Date |
|---|---|
| AN4999, Achieving Lowest Power Consumption with MMA8491Q Accelerometer/Tilt Sensor (REV 1.0) PDF (350.0 kB) AN4999 | 04 Dec 2014 |
| AN4085, Tips for troubleshooting the MMA865x/MMA845x/MMA8491 Sensor Toolbox Communication Issues - Application Note (REV 0) PDF (1.1 MB) AN4085 | 30 Jan 2014 |
| AN4296, Data Manipulation and the Basic Settings of Xtrinsic MMA8491Q Accelerometer, Application Notes (REV 1) PDF (383.6 kB) AN4296 | 05 Feb 2013 |
| DEMOMMA8491 NXP® Accelerometer Eval Kit (REV 0) PDF (303.0 kB) AN4292 | 31 Oct 2012 |
Fact Sheets (4)
| Name/Description | Modified Date |
|---|---|
| Kinetis® KM3x MCU Two-Phase Metering Reference Design Fact Sheet (REV 2) PDF (144.1 kB) KNTSKM2PMTRFS | 16 Jun 2014 |
| NXP® MMA8491Q 3-Axis Fact Sheet (REV 1) PDF (707.0 kB) MMA8491QFS | 15 Nov 2012 |
| Kinetis® KM3x MCU Single-Phase Metering Reference Design Fact Sheet (REV 0) PDF (415.9 kB) KNTSKINMFS | 05 Oct 2012 |
| TAMPERMTRFS (REV 0) PDF (255.4 kB) TAMPERMTRFS | 11 Jun 2012 |
Brochures (1)
| Name/Description | Modified Date |
|---|---|
| Smart Energy - Brochure (REV 4) PDF (6.6 MB) BRSMRTENERGY | 14 Oct 2013 |
Selector Guides (1)
| Name/Description | Modified Date |
|---|---|
| SENSSELECT, Sensor Products - Selector Guide (REV 1) PDF (133.5 kB) SENSSELECT | 20 Feb 2015 |
White Papers (1)
| Name/Description | Modified Date |
|---|---|
| Low Power Sensing (REV 2) PDF (341.1 kB) LOWPOWERSENSWP | 20 May 2015 |
Ordering Information
| Product | Status | Status | Budgetary Price excluding tax(US$) | Acceleration (g) | Accelerometer output | Ambient Operating Temperature (Min-Max) (°C) | Resolution (Spec) (bit) | Sensing Axis | Sensitivity Digital (Typ) (Cnts/g) | Start up response time (Typ) (ms) | Interface Supply Voltage (Typ) (V) | Supply Voltage (Min-Max) (V) | Zero G Output (Typ) (V) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MMA8491QR1 | Active | 1K @ US$0.78 | 8 | I2C | -40 to 85 | 14 | XYZ | 1024 | 0.5 | 1.95 to 3.6 |
Package Information
| Package Description | Outline Version | Packing | Product Status | Part Number | Chemical Content | RoHS / Pb FreeChina RoHS Lookup | MSL | PPT (°C) |
|---|---|---|---|---|---|---|---|---|
| QFN-EP 12 3*3*1 P0.65 | 98ASA00290D | MPQ - 1000 REELPOQ - 1000 BOX | Active | MMA8491QR1 | MMA8491QR1.pdf |  | 3 | 260 |
- AN4999, Achieving Lowest Power Consumption with MMA8491Q Accelerometer/Tilt Sensor MMA8491Q
- AN4085, Tips for troubleshooting the MMA865x/MMA845x/MMA8491 Sensor Toolbox Communication Issues - Application Note MMA8653FC
- AN4296, Data Manipulation and the Basic Settings of Xtrinsic MMA8491Q Accelerometer, Application Notes MMA8491Q
- DEMOMMA8491 NXP® Accelerometer Eval Kit MMA8491Q
- Kinetis® KM3x MCU Two-Phase Metering Reference Design Fact Sheet MMA8491Q
- NXP® MMA8491Q 3-Axis Fact Sheet MMA8491Q
- Kinetis® KM3x MCU Single-Phase Metering Reference Design Fact Sheet MMA8491Q
- TAMPERMTRFS MMA8491Q
- Smart Energy - Brochure MMA8491Q
- SENSSELECT, Sensor Products - Selector Guide MPXx6115
- Low Power Sensing MPL3115A2
- 98ASA00290D MMA8491Q
- MMA8491QR1.pdf MMA8491Q
