MMA7360LR1 - ±1.5g/±6g 3-Axis Analog Accelerometer | NXP
MPN： MMA7360LR1 ✗ 停產MMA7360LR1 概覽
An accelerometer is a micro-electromechanical sensor (MEMS) that converts mechanical acceleration into an electrical signal. Three-axis (X, Y, Z) accelerometers sit at the bottom of the sensor hierarchy as motion sensors, branch upward into inertial measurement units (IMUs) when combined with gyroscopes, and ultimately form part of the broader sensor and signal-conditioning chain in embedded and industrial designs. The MMA7360 family was one of the earliest low-g analog-output 3-axis parts aimed at consumer and industrial tilt, motion, and freefall detection.
Key features include a 400 Hz X/Y and 300 Hz Z bandwidth, 0g-Detect freefall output, low 400 uA typical supply current, 2.2V to 3.6V supply range, and a 1.5 mA active self-test mode. The g-Select pin allows the host microcontroller to toggle between ±1.5g (high-resolution tilt sensing) and ±6g (shock/vibration sensing) ranges without hardware reconfiguration, while the 0g-Detect interrupt pin signals linear freefall - useful for hard-disk drop protection and portable-device sleep modes.
The MMA7360LR1 uses a surface-micromachined capacitive sense element with on-chip CMOS signal conditioning, providing a stable 0g offset over temperature and a ratiometric output that scales with supply voltage. The internal architecture combines a Wheatstone-bridge MEMS structure, charge-integrating amplifier, and bandgap reference, delivering low noise density and predictable temperature behavior across the -40C to +85C operating range.
Typical applications include tilt sensing in handheld electronics and appliances, freefall detection in laptops and removable storage, motion-activated user interfaces, vibration monitoring in industrial equipment, and gaming or remote-control inertial input. With its small 3x5 mm LGA footprint, the MMA7360LR1 is also a common choice for wearable prototypes and consumer IoT motion modules.
When designing with the MMA7360LR1, ensure decoupling capacitors are placed within 5 mm of the supply pin and route the analog outputs over a continuous ground plane to limit digital switching noise from coupling into the ratiometric output. The self-test pin should be exercised only after the part has fully powered up to avoid false triggering of the 0g-Detect line.
This page synthesizes distributor stock and pricing, drop-in cross-brand accelerometer alternatives, and practical design notes not found in the manufacturer datasheet alone, enabling faster component selection and BOM validation for accelerometer designs.
直接替換替代品，適用於 MMA7360LR1 — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： MMA7360LR1 （相同外形與佔位） — 差異在於 Output Type, Acceleration Range, Operating Temperature, Package, Sensor Type.
MMA7360LR2
✅ 直接替換聯絡詢價
查看資料表 →MMA7360L
✅ 直接替換📋 參考替代品（不在目錄中）
MMA7330LR1
✅ 直接替換聯絡詢價
查看資料表 →MMA7340LR1
✅ 直接替換聯絡詢價
查看資料表 →MMA7455LR1
✅ 直接替換📋 參考替代品（不在目錄中）
LIS3L02AQ3
✅ 直接替換📋 參考替代品（不在目錄中）
MMA7360LR1 最大額定值與電氣特性
| 感測器類型 | 3-Axis Capacitive MEMS Accelerometer |
| Acceleration Range | ±1.5g, ±6g (selectable via g-Select pin) |
| Sensitivity (±1.5g mode, Vdd=3.3V) | 800 mV/g |
| Sensitivity (±6g mode, Vdd=3.3V) | 200 mV/g |
| 輸出類型 | Analog, ratiometric (X, Y, Z) |
| Bandwidth (X, Y axes) | 400 Hz |
| Bandwidth (Z axis) | 300 Hz |
| 供應電壓 | 2.2 V to 3.6 V |
| Supply Current (typical) | 400 uA |
| Self-Test Current | 1.5 mA (active) |
| 0g-Detect Output | Yes (linear freefall interrupt) |
| g-Select Input | Yes (logic high = ±6g, logic low = ±1.5g) |
| 工作溫度 | -40C to +85C |
| 封裝 | 14-LGA (3 mm x 5 mm x 1 mm) |
| 安裝類型 | Surface Mount |
| RoHS 狀態 | Compliant (Lead Free) |
MMA7360LR1 腳位配置
| 腳位 1 | NC — Not connected (per datasheet) |
| 腳位 2 | g-Select — Range select input: GND = ±1.5g, Vdd = ±6g |
| 腳位 3 | 0g-Detect — Linear freefall interrupt output, active high |
| 腳位 4 | XOUT — X-axis analog ratiometric output |
| 腳位 5 | YOUT — Y-axis analog ratiometric output |
| 腳位 6 | ZOUT — Z-axis analog ratiometric output |
| 腳位 7 | NC — Not connected (per datasheet) |
| 腳位 8 | NC — Not connected (per datasheet) |
| 腳位 9 | VSS — Supply ground |
| 腳位 10 | VDD — Supply voltage (2.2V to 3.6V) |
| 腳位 11 | NC — Not connected (per datasheet) |
| 腳位 12 | Self-Test — Self-test input, active high |
| 腳位 13 | NC — Not connected (per datasheet) |
| 腳位 14 | NC — Not connected (per datasheet) |
典型應用
MMA7360LR1 適用於 6 應用s: Tilt Sensing in Handheld Electronics, Hard-Drive Drop Protection, Freefall Detection for Portable Devices, Motion-Activated User Interfaces, Industrial Vibration Monitoring, Appliance and White-Goods Tilt Safety.
Tilt Sensing in Handheld Electronics
The MMA7360LR1 is a strong fit for handheld tilt sensing thanks to its ±1.5g range, 800 mV/g sensitivity, and ratiometric analog outputs that scale with supply voltage. When mounted on a handheld device, gravity projects onto each axis so the host ADC can compute roll and pitch angles by trigonometry on the X/Y/Z outputs. The 14-LGA 3x5 mm footprint fits inside phone-sized enclosures, and the low 400 uA supply current makes it suitable for battery-powered tools and remotes. Designers should sample the analog outputs through oversampling and average out vibration noise below 50 Hz to improve tilt stability.
推薦
Hard-Drive Drop Protection
The 0g-Detect freefall pin on the MMA7360LR1 enables fast drop detection for laptop hard-disk drives. When the laptop is dropped, all three axes simultaneously cross 0g, asserting 0g-Detect within milliseconds and giving the disk controller time to park the heads before impact. Operating from a 2.2V to 3.6V supply, the part runs directly off the laptop's 3.3V rail. The internal 1-pole low-pass filter attenuates high-frequency vibration that would otherwise cause false triggers, making it a reliable drop-protection sensor for legacy 2.5-inch HDD designs.
推薦
Freefall Detection for Portable Devices
Portable electronics such as tablets, e-readers, and handheld scanners use the MMA7360LR1's 0g-Detect pin to implement drop-safe behavior. The ±6g selectable range (via g-Select) lets the host monitor high-g shocks that occur on landing. The 1.5 mA self-test current at 3.3V allows periodic verification of the MEMS element integrity without removing the device from the field. With the 400 Hz X/Y and 300 Hz Z bandwidth, the sensor captures both slow tumble events and sharp landing spikes within the same part.
推薦
Motion-Activated User Interfaces
Consumer products such as TV remotes, game controllers, and presentation clickers use the MMA7360LR1 to wake from sleep on motion. The 400 uA active supply current plus internal sleep modes let the host MCU power down between gestures. The g-Select input lets designers use ±1.5g for fine tilt detection in menus and switch to ±6g for shake-to-activate gestures. Analog outputs connect directly to MCU ADCs, eliminating the need for an external signal-conditioning chain in low-cost human-interface devices.
推薦
Industrial Vibration Monitoring
The MMA7360LR1's 400 Hz X/Y bandwidth and 300 Hz Z bandwidth cover the dominant frequency range of motor vibration and pump pulsation. Mounted on a motor housing, the analog outputs can be sampled by an industrial MCU or PLC ADC and FFT-processed for predictive maintenance signatures. The ratiometric output simplifies scaling, and the -40C to +85C operating range suits factory-floor enclosures. Designers should add an external anti-aliasing filter ahead of the ADC because the internal 1-pole filter is relatively gentle.
推薦
Appliance and White-Goods Tilt Safety
Washing machines, robotic vacuums, and air conditioners use the MMA7360LR1 to detect tilt, tip-over, or unbalanced-load conditions. The 3-axis analog output lets the host detect both static tilt (gravity offset) and dynamic shock events. The wide 2.2V to 3.6V supply range accommodates noisy rectified-DC rails commonly found in appliances. The 14-LGA package's small footprint fits inside compact sensor modules mounted near the appliance's center of mass, and the robust -40C to +85C operating range handles warm mechanical environments.
推薦
推薦產品摘要
工程參考資料，適用於 MMA7360LR1 — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | MMA7360LR2 | MMA7360L | MMA7330LR1 | MMA7455LR1 | LIS3L02AQ3 |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors - same | NXP Semiconductors - same | NXP Semiconductors - same | NXP Semiconductors - same | STMicroelectronics - different |
| Package | 14-LGA (3x5) | 14-LGA (3x5) - same | 14-LGA (3x5) - same | 14-LGA (3x5) - same | 14-LGA (3x5) - same | 16-QFN (5x5) - different |
| Acceleration Range | ±1.5g, ±6g (selectable) | ±1.5g, ±6g (selectable) | ±1.5g, ±6g (selectable) | ±4g (fixed) | ±2g/±4g/±8g (digital) | ±2g (fixed) |
| Output Type | Analog ratiometric (X,Y,Z) | Analog ratiometric | Analog ratiometric | Analog ratiometric | Digital I2C/SPI | Analog ratiometric |
| Supply Voltage | 2.2V to 3.6V | 2.2V to 3.6V | 2.2V to 3.6V | 2.2V to 3.6V | 2.4V to 3.6V | 2.16V to 3.6V |
| Sensitivity (±1.5g mode, Vdd=3.3V) | 800 mV/g | 800 mV/g | 800 mV/g | 300 mV/g (±4g) | digital LSB/g | 660 mV/g (±2g) |
| 0g-Detect (Freefall) Output | Yes | Yes | Yes | Yes | No (digital interrupt only) | No |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
主要差異化特點
- Selectable dual-range g-Select pin (對比MMA7330LR1 / MMA7340LR1)
- Dedicated 0g-Detect freefall pin (對比MMA7455LR1)
- Three ratiometric analog outputs with no MCU math overhead (對比MMA8451Q (digital))
設計說明
Decouple VDD with a 0.1 uF ceramic capacitor placed within 5 mm of the supply pin, and add a 1 uF bulk capacitor on the host rail. The MMA7360LR1 draws 400 uA in normal operation and 1.5 mA during self-test - budget the LDO accordingly. Place the analog ground return directly to the board's ground plane rather than sharing a return with switching regulators, because ratiometric analog outputs will couple supply ripple directly into the measurement.
The 14-LGA package has an exposed pad that must be soldered to a grounded land pattern for thermal performance and mechanical reliability. Use NSMD (non-solder mask defined) pads and a 4-mil-to-6-mil solder paste stencil for the central thermal pad to ensure consistent reflow. Keep high-speed digital traces away from the XOUT, YOUT, and ZOUT lines; route the analog outputs over a continuous ground plane and avoid crossing power traces.
Do not enable the self-test pin until the supply has fully stabilized (typically 10 ms after Vdd crosses 2.2V), or the 0g-Detect line may assert falsely. The internal 1-pole low-pass filter is gentle; if your application needs sharper anti-aliasing, add an external RC network ahead of the host ADC. When switching between ±1.5g and ±6g via g-Select, allow at least one full output settling period before reading - the analog output can transiently clip during the range change.
Mount the MMA7360LR1 on a flat, rigid section of the PCB close to the device's center of mass for accurate tilt and drop measurement. Position the part so its X, Y, and Z axes align with the intended reference frame (Z is typically vertical through the package top). Avoid mounting near heat sources, speakers, or connectors that vibrate mechanically, since these couple into the MEMS element and bias the output.
合規資訊
Lead Free and RoHS Compliant per DigiKey product listing (P/N 1791484). Halogen Free status: not confirmed from the provided web data (GlobalSpec cross-reference listing notes 'Not Compliant' on halogen-free for one distributor entry; treat as uncertain). Not AEC-Q100 qualified - this is a consumer/industrial grade part.
