MMA1200D - ±281g Z-Axis Accelerometer | NXP SOIC-16
부품 번호: MMA1200D ⚠ 최종 구매| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $8.5 | $8.50 |
| 10 | $7.65 | $76.50 |
| 100 | $6.8 | $680.00 |
| 500 | $6.1 | $3,050.00 |
| 1,000 | $5.45 | $5,450.00 |
MMA1200D 개요
An accelerometer (g-sensor) is a micro-electromechanical (MEMS) transducer that converts acceleration forces into a measurable electrical signal. Capacitive MEMS accelerometers detect proof-mass displacement via changes in differential capacitance between interdigitated fingers, then convert that capacitance change to voltage using on-chip signal conditioning. Within the broader sensor hierarchy, the MMA1200D sits in the linear (versus rotational) acceleration sub-category and is one of the highest-g-range members of NXP's legacy MMA series, designed for shock, vibration, and crash-event detection rather than tilt or motion tracking.
Key features include a ±281g measurement range, factory-set 4-pole low-pass filter for bandwidth limiting, integrated temperature compensation to minimize sensitivity drift, and a self-test pin that applies a known electrostatic force to the proof mass for in-system diagnostics. The 5.0 V analog supply simplifies integration with legacy 5V microcontroller ADCs, and the small SOIC-16 footprint supports high-density PCB designs. Sensitivity and zero-g offset are laser-trimmed at the factory, eliminating the need for production-line calibration.
The MMA1200D employs a surface-micromachined polysilicon sense element with a differential capacitive half-bridge topology read out by a switched-capacitor charge integrator. The signal chain includes a chopper-stabilized front end, a factory-trimmed gain stage, the 4-pole Butterworth low-pass filter, and a temperature-compensation block that corrects both sensitivity and zero-g output over the full -40C to +125C automotive range. The output stage drives an analog ratiometric voltage centered at approximately 2.5 V at 0 g, scaling linearly with Z-axis acceleration.
Typical applications include automotive airbag crash sensors, electronic stability control and rollover detection, hard-disk drive shock protection, industrial vibration monitoring, and appliance anti-vibration control. The high ±281g range makes it especially suitable for crash-sensing and high-shock event capture, where lower-g consumer accelerometers would saturate.
When designing with the MMA1200D, place a 0.1 uF decoupling capacitor as close as possible to the supply pin and route the analog output away from switching noise sources. The self-test pin should be driven with a clean logic signal and not left floating, since the internal pull-up configuration may not be defined. For high-shock applications, mechanically isolate the sensor from PCB flexure with a rigid mounting boss.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, including cross-brand pin-compatible equivalents verified against NXP's published Z-axis MMA family datasheets.
드롭인 대체품: MMA1200D — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: MMA1200D (동일 폼 팩터 및 풋프린트) — 차이점: Axis, Output Type, Package, RoHS Status, Self-Test.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
MMA1250D
✅ 드롭인✓ 재고 있음
$6.55 / 개
데이터시트 보기 →MMA2202D
✅ 드롭인✓ 재고 있음
$9.75 / 개
데이터시트 보기 →MMA2204D
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
MMA2301D
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
MMA1200D 최대 정격 & 전기적 특성
| 센서 유형 | Accelerometer, Z-axis |
| 측정 범위 | ±281 g |
| Axis | Z (single) |
| 출력 유형 | Analog voltage |
| 공급 전압 | 5.0 V nominal |
| Zero-g Output | Approximately 2.5 V (ratiometric) |
| Bandwidth | 400 Hz (factory-set 4-pole LPF cutoff) |
| Filter Type | 4-pole low-pass (Butterworth) |
| Self-Test | Yes (electromechanical) |
| 동작 온도 | -40C to +125C |
| 패키지 | 16-pin SOIC |
| 실장 유형 | Surface Mount |
| RoHS 상태 | Non-Compliant (contains lead) |
| Technology | Capacitive MEMS, surface micromachined |
MMA1200D 핀 구성
| 핀 1 | TP1 — Test pin 1 (factory trim, no-connect for user) |
| 핀 2 | TP2 — Test pin 2 (factory trim, no-connect for user) |
| 핀 3 | NC — Not connected |
| 핀 4 | GND — Ground |
| 핀 5 | NC — Not connected |
| 핀 6 | NC — Not connected |
| 핀 7 | ST — Self-test input (active high) |
| 핀 8 | VDD — 5.0 V supply voltage |
| 핀 9 | NC — Not connected |
| 핀 10 | VOUT — Analog output voltage (ratiometric to VDD) |
| 핀 11 | NC — Not connected |
| 핀 12 | NC — Not connected |
| 핀 13 | TP3 — Test pin 3 (factory trim, no-connect for user) |
| 핀 14 | NC — Not connected |
| 핀 15 | NC — Not connected |
| 핀 16 | NC — Not connected |
일반적인 애플리케이션
MMA1200D 적합 용도: 6 애플리케이션s: Automotive Airbag Crash Sensor, Electronic Stability Control / Rollover Detection, Hard Disk Drive Shock Protection, Industrial Vibration Monitoring, Appliance Anti-Vibration Control, Gaming and Simulated Motion Platforms.
Automotive Airbag Crash Sensor
The MMA1200D is a strong fit for automotive airbag crash sensing because its ±281g full-scale range captures severe crash pulses without saturation, while the 400 Hz 4-pole low-pass filter rejects high-frequency mechanical noise that could cause false deployment. The ratiometric 2.5 V zero-g output at 5 V supply interfaces directly to 5V airbag ECU ADCs with no level shifting, and the on-chip temperature compensation from -40C to +125C maintains calibration across underhood thermal extremes. Unlike lower-g consumer accelerometers, the MMA1200D retains useful resolution at the high-g peaks that determine airbag firing decisions. Its SOIC-16 package has been qualified in production airbag modules for over a decade, and the integrated self-test pin allows ECU self-diagnostics at every ignition cycle, a regulatory requirement in many markets. Designers should mount the sensor on a rigid boss and decouple VDD with a 0.1 uF ceramic capacitor placed within 3 mm of the supply pin.
추천
Electronic Stability Control / Rollover Detection
The MMA1200D's high-g Z-axis range and 400 Hz bandwidth suit electronic stability control (ESC) and rollover detection modules that must sense both dynamic vehicle motion and crash-level Z-axis events. When paired with an X-axis accelerometer in the same SOIC-16 family (such as the MMA2301D), the MMA1200D provides the vertical-axis measurement that ESC algorithms use to detect lift-off and rollover precursors. The factory-trimmed zero-g offset and full-scale span eliminate production-line calibration cost, critical for high-volume automotive Tier-1 suppliers. The -40C to +125C operating range and integrated temperature compensation maintain accuracy across all vehicle climate conditions, and the self-test pin enables the diagnostic routines required by ISO 26262 functional-safety architectures. PCB layout should place the sensor close to the vehicle center of gravity for representative measurements.
추천
Hard Disk Drive Shock Protection
The MMA1200D detects drop events and high-shock transients in portable computing applications, triggering emergency head-parking routines that protect hard disk platters from head-to-disk contact. The ±281g range exceeds the 200-300g shock thresholds typical of 2.5-inch HDD drop specifications, while the 400 Hz low-pass filter rejects high-frequency vibration that would otherwise cause false parking events. The SOIC-16 package is small enough to fit inside the HDD case envelope, and the 5 V analog supply matches legacy HDD preamplifier rails. Unlike digital-output accelerometers that require firmware integration, the analog voltage output of the MMA1200D can feed a simple comparator circuit for ultra-fast shock response. The self-test pin enables the HDD self-test routines that ship with most enterprise storage systems, providing diagnostic confidence at power-on.
추천
Industrial Vibration Monitoring
The MMA1200D's wide bandwidth and high-g range support industrial vibration monitoring on rotating machinery, where fault signatures from bearing wear or imbalance can exceed 50g at bearing frequencies. The 4-pole Butterworth low-pass filter at 400 Hz provides flat passband response for accurate frequency-domain analysis, and the 5 V analog output feeds directly into industrial 4-20 mA loop conditioners or spectrum-analyzer front ends. The -40C to +125C operating range and integrated temperature compensation make the part suitable for outdoor pump and motor monitoring without additional thermal protection. The factory calibration eliminates field calibration, reducing maintenance cost. For higher-frequency applications, the part can be paired with an external anti-aliasing filter, though designers should verify that adding capacitance does not load the output stage beyond its drive capability.
추천
Appliance Anti-Vibration Control
The MMA1200D enables active anti-vibration control in washing machines and other high-vibration appliances, where uncompensated vibration causes noise, wear, and structural fatigue. The Z-axis sense direction captures the dominant vertical vibration mode in most front-loading washers, and the ±281g range handles spin-cycle peaks that would saturate lower-g sensors. The SOIC-16 surface-mount package is compatible with conformal coating processes used in appliance electronics, and the wide -40C to +125C range covers the thermal extremes found in utility-room installations. The on-chip temperature compensation maintains calibration across cold-water wash cycles and hot-air dryer exhaust environments. Designers can use the self-test pin to confirm sensor integrity at every appliance power-up, supporting warranty diagnostics and reducing field returns.
추천
Gaming and Simulated Motion Platforms
The MMA1200D provides high-shock feedback sensing in motion simulator platforms and arcade gaming rigs, where rapid direction changes and impact effects can exceed 100g. The Z-axis range complements existing X and Y sensors in 3-axis simulator pods, and the analog output allows direct connection to legacy motion-control amplifiers without digital protocol overhead. The 400 Hz bandwidth captures the dynamics of high-speed motion platforms while the 4-pole filter prevents aliasing of mechanical resonances. The SOIC-16 package is robust to the vibration and shock inherent to motion-platform environments, and the self-test pin enables automated pre-show verification routines. For 6-DOF simulators, multiple MMA-family parts can be mounted on a single rigid platform to provide redundant measurement channels with factory-trimmed matching.
추천
추천 제품 요약
엔지니어링 참조 데이터: MMA1200D — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | MMA1250D | MMA2202D | MMA2204D | MMA2301D |
|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 16-SOIC | 16-SOIC (same) | 16-SOIC (same) | 16-SOIC (same) | 16-SOIC (same) |
| Measurement Range | ±281g | ±125g | ±56g | ±112g | ±225g |
| Axis | Z | Z | X | X | X |
| Supply Voltage | 5.0 V | 5.0 V | 5.0 V | 5.0 V | 5.0 V |
| Output Type | Analog | Analog | Analog | Analog | Analog |
| Bandwidth | 400 Hz | 400 Hz | 400 Hz | 400 Hz | 400 Hz |
| Self-Test | Yes | Yes | Yes | Yes | Yes |
| Operating Temperature | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C |
주요 차별점
- Highest Z-axis range in the legacy NXP MMA family (vs MMA1250D)
- Z-axis sensing in legacy SOIC-16 footprint (vs MMA2301D)
- Analog ratiometric output simplifies legacy 5V ADC interface (vs MMA2202D)
설계 노트
Place a 0.1 uF ceramic decoupling capacitor within 3 mm of the VDD pin (pin 8) to suppress supply transients that couple into the analog output. The VOUT pin (pin 10) should be routed with a short, guarded trace away from switching nodes; add a 10 kohm series resistor at the output if driving long cables to prevent oscillation. Avoid running the analog output trace parallel to clock or PWM signals to minimize coupling.
Do not leave the self-test pin (pin 7) floating - either tie it to GND for normal operation or drive it with a clean logic signal for self-test activation. The SOIC-16 package is sensitive to PCB flexure; mount the sensor on a rigid boss rather than directly on a flexible PCB region, especially in crash-sensing applications where mechanical stress can introduce measurement error. Do not exceed the absolute maximum acceleration rating, as permanent sensor damage may result.
The MMA1200D analog output is ratiometric to VDD, so any noise or drift on the 5V supply appears directly on the output. Use a low-noise LDO such as the TLE4275Q to power the sensor rather than a switching regulator, and add bulk capacitance at the supply input. The output bandwidth of 400 Hz is sufficient for crash and vibration signals, but anti-aliasing filtering is required if the output is digitized at sample rates below 800 Hz.
규정 준수 정보
RoHS non-compliant per DigiKey listing (contains lead). AEC-Q100 qualified for automotive applications per NXP datasheet. Last-time-buy status as of 2026-10-15.
