NXP Semiconductors MMA6262Q

Overview

MMA6262Q from Freescale Semiconductor is a ±1.5g dual-axis capacitive micromachined accelerometer with integrated signal conditioning, 150 Hz bandwidth, 1.3 mVrms noise (0.1 Hz–1 kHz), and ratiometric analog outputs for X/Y axes-designed for tilt sensing and motion detection in portable electronics and industrial monitoring systems.

For engineers reviewing the MMA6262Q datasheet, MMA6262Q pinout, MMA6262Q application, or MMA6262Q equivalent, this page delivers verified specifications including self-test capability, QFN-16 package mapping, temperature-compensated offset stability, and direct output interface requirements for microcontroller ADC integration.

Technical Context

The MMA6262Q implements a surface-micromachined polysilicon g-cell with switched-capacitor readout ASIC, delivering linear ratiometric voltage outputs proportional to acceleration on orthogonal X and Y axes. Its single-pole low-pass filter is factory-set to 150 Hz without external components.

Internal temperature compensation and EEPROM-trimmed calibration ensure stable zero-g offset (±2.0 mg/°C drift) and sensitivity (±0.015 %/°C drift) across –20°C to +85°C. Self-test is initiated via logic-high ST pin, producing a calibrated 0.9×VDD output step within 2.0 ms response time.

Key Specifications

Pinout & Package

Package: 16-lead QFN (Case 1477-02), 6 mm × 6 mm × 1.98 mm, exposed thermal pad connected to VSS.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar dual-axis analog accelerometer applications.

Compared with MMA6261Q and MMA6263Q, the MMA6262Q offers optimal balance of bandwidth (150 Hz), noise (1.3 mVrms), and power (2.2 mA) for mid-speed motion and tilt applications where signal fidelity outweighs raw speed.

Availability

MMA6262Q is available at Aetrix Electronics and suitable for tilt monitoring, freefall detection, impact logging, and vibration analysis requiring stable component supply and long-term production continuity.

Supply support for MMA6262Q 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 analog solutions for automotive, industrial, and consumer markets.

The MMA6262Q belongs to the MMA6200Q series of micromachined accelerometers designed for cost-sensitive, low-power motion sensing applications requiring factory-calibrated analog outputs and self-test capability.

FAQ

What is the operating voltage range for the MMA6262Q?

The MMA6262Q operates from 2.7 V to 3.6 V DC. Within this range, it functions as a fully calibrated linear accelerometer with ratiometric output behavior. Operation below 2.7 V or above 3.6 V may yield linear output but is not guaranteed to meet specification - the MMA6262Q datasheet specifies 3.3 V as nominal supply for typical performance values including 800 mV/g sensitivity and 1.3 mVrms noise.

Does the MMA6262Q require external passive components for filtering?

No, the MMA6262Q integrates a single-pole switched-capacitor low-pass filter with a fixed 150 Hz cutoff frequency - no external resistors or capacitors are needed. However, Freescale recommends adding a 1.0 kΩ resistor and 0.1 µF capacitor to ground on each output (XOUT/YOUT) to suppress clock feedthrough noise from the internal switched-capacitor circuitry, as confirmed in the MMA6262Q application diagram and layout guidelines.

How does the self-test function work on the MMA6262Q?

The MMA6262Q self-test applies an electrostatic force to the movable g-cell plate via the ST pin: when driven high (≥0.7×VDD), it generates a calibrated deflection equivalent to ~1.2 g acceleration, producing a 0.9×VDD step on both XOUT and YOUT within 2.0 ms. This verifies mechanical integrity of the MEMS structure and functionality of the entire signal chain - the MMA6262Q datasheet confirms this response is independent of applied acceleration and occurs even at 0 g.

What is the meaning of "ratiometric" in the MMA6262Q output specification?

Ratiometric means the MMA6262Q's zero-g offset and sensitivity scale linearly with VDD - e.g., if VDD drops from 3.3 V to 3.0 V, both output voltage range and sensitivity decrease proportionally. This allows direct interfacing to microcontroller ADCs using the same VDD as reference, eliminating supply-induced gain/offset errors. The MMA6262Q datasheet explicitly states this behavior enables system-level cancellation of supply noise during analog-to-digital conversion.

Is the MMA6262Q pin-compatible with other members of the MMA6200Q series?

Yes, the MMA6262Q shares identical QFN-16 pinout, footprint, and terminal assignments with MMA6260Q, MMA6261Q, and MMA6263Q - all use Case 1477-02 package with identical ST, XOUT, YOUT, VDD, and VSS locations. This allows board-level substitution among variants without layout changes, though bandwidth, noise, and supply current differ per model as documented in the MMA6262Q ordering table.