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NXP Semiconductors MMA2204EG
- Part No.:
- MMA2204EG
- Manufacturer:
- NXP Semiconductors
- Category:
- Accelerometers
- Package:
- 16-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
MMA2204EG.pdf
- Description:
- ACCEL 112.5G ANALOG 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,036
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Product details
Overview
MMA2204EG from Freescale Semiconductor is a surface-mount, silicon capacitive micromachined accelerometer with integrated signal conditioning, 4th-order Bessel low-pass filter, and factory-calibrated ±100g full-scale range. It delivers ratiometric linear output (20 mV/g typical sensitivity), operates from –40°C to +125°C, and features self-test, status fault reporting, and AEC-Q100 Grade 2 qualification for automotive and industrial vibration monitoring.
For engineers reviewing the MMA2204EG datasheet, MMA2204EG pinout, MMA2204EG application, or MMA2204EG equivalent, key selection considerations include its SOIC-16 package, 400 Hz bandwidth, 2.5 V nominal zero-g offset at 5 V supply, LVD trip at 3.25 V, and calibrated self-test response of 10–14 g output shift - critical for safety-critical system validation.
Technical Context
The MMA2204EG employs a wafer-level hermetically sealed polysilicon g-cell transducer paired with a CMOS ASIC that implements switched-capacitor sensing, temperature compensation, and a 4-pole Bessel filter. Its ratiometric output scales directly with VDD, ensuring stability across supply variations.
Self-test activation applies electrostatic force to the movable plate via the ST pin, inducing a known deflection verified by the STATUS pin latching high on success or fault. Fault detection includes low-voltage detect (2.7–4.0 V trip), clock monitor (150–400 kHz), and EPROM parity check.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Full-Scale Range | ±100 g - supports high-shock industrial and automotive crash/vibration detection without saturation. |
| Bandwidth (–3 dB) | 360–440 Hz - preserves pulse shape integrity for transient event capture in bearing or impact monitoring. |
| Sensitivity | 20 mV/g typical - enables direct ADC interfacing with 12-bit resolution over full scale using 3.3 V or 5 V reference. |
| Zero-g Offset | 2.5 V at VDD = 5.0 V - centered output simplifies bipolar acceleration measurement with single-supply systems. |
| Supply Voltage | 4.75–5.25 V - narrow operating window ensures calibration validity; outside range invalidates factory trim. |
| Self-Test Output Shift | 10–14 g equivalent - provides unambiguous mechanical/electrical verification without external stimulus. |
| LVD Trip Threshold | 3.25 V typical - triggers STATUS flag before supply collapse, enabling graceful system shutdown or alert. |
Pinout & Package
Package: 16-lead SOIC (Case 475-01), surface-mount, Pb-free (KEG suffix), 7.5 mm × 10.3 mm footprint with 1.27 mm pitch.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1–3, 9–16 | No Connect (N/C) | Internally unconnected; must be left floating per layout guidelines to avoid noise coupling. |
| 4 (ST) | Digital Input | Active-high self-test trigger; internal pull-down prevents false initiation; requires ≥100 µs pulse for latch reset. |
| 5 (VOUT) | Analog Output | Ratiometric voltage output (0.46–0.54 × VDD) proportional to X-axis acceleration; RC-filtered (1 kΩ + 0.01 µF) recommended. |
| 6 (STATUS) | Digital Output | Open-drain fault/status indicator; latches high on LVD, clock failure, or EPROM parity error; reset via ST pulse. |
| 7 (VSS) | Ground Reference | Primary power return; requires dedicated ground plane beneath device per PCB layout guidance. |
| 8 (VDD) | Power Supply | 4.75–5.25 V input; decoupled with 0.1 µF ceramic capacitor placed adjacent to pin per layout rules. |
Key Features
| Feature | Design Value |
|---|---|
| 4th-order Bessel filter | Preserves transient waveform fidelity up to 400 Hz - essential for accurate shock pulse analysis in hard drive protection. |
| Calibrated self-test | Verifies end-to-end functionality (mechanical g-cell + ASIC signal chain) without external equipment - required for AEC-Q100 compliance. |
| Wafer-level hermetic seal | Eliminates moisture-induced drift and long-term parameter shift - critical for 15+ year automotive ECU deployments. |
| AEC-Q100 Grade 2 | Qualified for operation from –40°C to +125°C ambient - supports under-hood and transmission control module applications. |
| Ratiometric output | Output scaling tracks VDD variation, removing need for precision voltage references in cost-sensitive industrial controllers. |
Applications
| Vibration Monitoring and Recording | Computer Hard Drive Protection |
|---|---|
|
Use Scenario: Continuous monitoring of rotating machinery (motors, pumps) for early-stage bearing wear detection via spectral analysis of acceleration waveforms. IC Role / Device Role / Timing Role: X-axis analog acceleration sensor feeding signal-conditioned voltage to an external ADC and DSP subsystem. Use Value: 400 Hz bandwidth captures harmonics up to 7× rotational frequency; ±100g range accommodates startup surges without clipping. |
Use Scenario: Sudden drop detection in laptops to park read/write heads before impact, preventing disk damage. IC Role / Device Role / Timing Role: Free-fall event detector triggering immediate head retraction via microcontroller interrupt on STATUS pin edge. Use Value: Calibrated self-test validates readiness at boot; 1.2 m drop test rating matches IEC 60068-2-32 requirements. |
| Appliance Control | Mechanical Bearing Monitoring |
|
Use Scenario: Washing machine drum imbalance detection during spin cycle to dynamically adjust rotation speed and reduce vibration. IC Role / Device Role / Timing Role: Primary X-axis motion sensor providing real-time acceleration feedback to motor control MCU. Use Value: Ratiometric output eliminates calibration drift across 4.75–5.25 V supply tolerance; –40°C to +125°C rating covers enclosure thermal extremes. |
Use Scenario: Predictive maintenance in HVAC compressors using time-domain waveform analysis to identify incipient bearing faults. IC Role / Device Role / Timing Role: High-reliability analog front-end capturing raw acceleration data for FFT-based spectral signature extraction. Use Value: Wafer-level hermetic seal prevents humidity-induced offset drift over 10-year service life; <1% FSO nonlinearity ensures measurement fidelity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar accelerometer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADXL326BCPZ | Wider bandwidth (550 Hz), lower noise (150 µg/√Hz), but no self-test or STATUS fault reporting; ±16 g range only. | Optimized for high-frequency structural health monitoring, not safety-critical self-validation. | Select ADXL326BCPZ when bandwidth and noise dominate over functional safety requirements. |
| MMA8452Q | I²C digital output, embedded FIFO, motion detection engine; ±2/4/8 g ranges; no analog output or self-test voltage shift specification. | Targets low-power portable devices requiring host-controlled configuration and interrupt-driven wake-up. | Select MMA8452Q when digital interface, ultra-low power (6 µA standby), and on-chip feature processing are prioritized. |
Compared with ADXL326BCPZ and MMA8452Q, the MMA2204EG uniquely combines analog ratiometric output, calibrated self-test with quantified g-shift, and AEC-Q100 Grade 2 qualification - making it the only choice for legacy automotive and industrial systems requiring deterministic analog signal chain validation.
Availability
MMA2204EG is available at Aetrix Electronics and suitable for vibration monitoring and recording, computer hard drive protection, and appliance control requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MMA2204EG 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 automotive ICs, with leadership in MEMS and automotive-grade reliability.
The MMA2204EG belongs to Freescale's Xtrinsic™ family of intelligent sensors, designed specifically for high-reliability automotive and industrial applications demanding validated self-test, wide temperature operation, and wafer-level hermetic sealing.
FAQ
What is the operating temperature range for the MMA2204EG?
The MMA2204EG is qualified for continuous operation from –40°C to +125°C ambient temperature. This Grade 2 AEC-Q100 rating makes it suitable for under-hood automotive applications and industrial environments where thermal extremes are common. The device maintains full specification compliance across this entire range, including sensitivity, offset, and self-test performance.
Does the MMA2204EG require external components for basic operation?
No, the MMA2204EG requires only two external components for reliable operation: a 0.1 µF ceramic decoupling capacitor on VDD and an RC filter (1 kΩ + 0.01 µF) on VOUT to suppress switched-capacitor clock noise. All signal conditioning, filtering, temperature compensation, and self-test circuitry are fully integrated - eliminating external op-amps, resistors, or trimming components.
How does the self-test function verify system integrity in the MMA2204EG?
The MMA2204EG self-test applies a calibrated electrostatic force to the movable g-cell plate via the ST pin, producing a 10–14 g equivalent output shift at VOUT. Simultaneously, the STATUS pin asserts high if the test completes successfully or latches high if a fault (LVD, clock failure, EPROM parity) is detected - confirming both mechanical transducer and ASIC signal path functionality in a single, repeatable action.
What is the significance of the "KEG" suffix in MMA2204EG?
The "KEG" suffix denotes a Pb-free, RoHS-compliant version of the MMA2204EG housed in a 16-lead SOIC package (Case 475-01). It indicates wafer-level hermetic sealing and qualification to AEC-Q100 Grade 2. The "E" in "MMA2204EG" specifies the ±100g full-scale range, while "G" confirms green packaging - distinct from older leaded variants.
Can the MMA2204EG be used in safety-critical automotive systems?
Yes, the MMA2204EG is explicitly qualified to AEC-Q100 Grade 2 (–40°C to +125°C) and includes multiple safety mechanisms: calibrated self-test with quantified output shift, STATUS pin fault latching for LVD/clock/EPROM errors, and wafer-level hermetic sealing for long-term reliability. These features meet foundational requirements for airbag pre-crash sensing and electronic stability control subsystems.
MMA2204EG Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- MMA
- Package/Case:
- 16-SOIC (0.295", 7.50mm Width)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Type:
- Analog
- Axis:
- X
- Acceleration Range:
- ±112.5g
- Sensitivity (LSB/g):
- -
- Sensitivity (mV/g):
- 20
- Bandwidth:
- 400Hz
- Output Type:
- Analog Voltage
- Voltage - Supply:
- 4.75V ~ 5.25V
- Features:
- -
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SOIC
MMA2204EG FAQ
1.How can I place an order for MMA2204EG through Aetrix?
Please submit a Request for Quotation (RFQ) for MMA2204EG 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 MMA2204EG reliable?
The price and inventory of MMA2204EG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MMA2204EG is usually 5 days.
3.What payment methods are accepted for MMA2204EG?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MMA2204EG transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MMA2204EG?
MMA2204EG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MMA2204EG 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 MMA2204EG?
For technical support, including MMA2204EG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MMA2204EG requirements.
6.How does Aetrix verify that MMA2204EG is sourced from the original manufacturer or authorized distributors?
All MMA2204EG 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 MMA2204EG meets industry standards.
7.What is the process for return or replacement of MMA2204EG?
All MMA2204EG units undergo pre-shipment inspection (PSI). If there is an issue with MMA2204EG, 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 MMA2204EG part is unused and in its original packaging.
Return procedure for MMA2204EG:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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