The SCL3400-D01 is a Murata Murata dual-axis (XY) built-in inclinometer MEMS sensor, capacitive 3D-MEMS process, directly outputs the angle of inclination from the chip, no need for MCU to do angle calculation, mainly for long-term stability, extremely low drift, for industrial inclination monitoring scenarios.

I. Appearance and packaging form

Package: DFL-12 pin pre-shaped SMD chip package, 12 gold-plated side pins, two-sided leads, black plastic shell, metal cover on top, printed with model, QR code, batch code Murata Man...。

Dimensions: 8.6mm × 7.6mm × 3.3mm (L × W × H), fully compatible with SCA3301-D01, SCL3301- D01 package pins, hardware can be directly Pin-to-Pin replaced, but software registers are different Murata Man ...。

Installation: SMD reflow soldering, coil packaging, RoHS & ELV environmental protection; The PCB layout needs to reserve side pads, not bottom pads.

Weight: about 0.44 g.

2. Core electrical performance parameters

form

Project Parameter

Measurement axis X, Y dual-axis tilt (no Z-axis tilt output) Murata Man...

Working mode A ± 30° (0.5g), bandwidth 10Hz, high-resolution mode Murata Man...

Working mode B ± 90° (1.1g), bandwidth 40Hz, large angle measurement mode Murata Man...

Noise density as low as 0.001°/√ Hz, ultra-high angle resolution Murata Man...

Full life + full temperature deviation drift Typical ≤0.12 °, long-term no frequent calibration Murata Man...

Interface SPI digital interface (3.3V logic) Murata Man...

Power supply voltage 3.0-3.6V, typical 3.3V Murata Man...

Working current 2.1mA typical value

Operating Temperature -40℃ ~ + 85℃ Murata Man...

Built-in functions Hardware self-diagnosis, memory check, signal path fault detection, fault register reporting Murata Man...

Important distinction:

SCL3401-D01: Dual axis XY tilt, -40~+80°C, internal output angle

SCL3301-D01: Three-axis XYZ tilt, -40 ~ + 125 ℃

SCA3401-D01: Three-axis accelerometer, raw acceleration output, no tilt calculation Murata Man...

III. Functional characteristics

The ASIC hardware on the chip completes the calculation of the inclination angle, and the angle value is directly read out by SPI, which greatly reduces the development workload of the MCU and does not need to do the inverse tangent algorithm itself.

Dual mode register switching: small angle high precision Mode A (±30°), full angle Mode B (±90°), suitable for different working conditions.

Excellent long-term drift performance, no need for repeated calibration after factory calibration, suitable for unattended long-term monitoring equipment.

The complete hardware self-diagnosis mechanism enables the system to identify sensor anomalies in real time, thereby enhancing the safety and reliability of the equipment.

Mature 3D-MEMS mechanical damping structure, anti-vibration impact, suppress resonance interference, adapt to industrial harsh field environment.

IV. Typical Application Scenarios

Bridge, tower, building structure health SHM inclination monitoring

High-altitude work platform, engineering machinery leveling detection

Solar photovoltaic support angle monitoring

Industrial IMU inertial unit, attitude compensation

Security equipment, construction machinery tilt alarm

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