FXLS8971CF datasheet(9/100 Pages) NXP

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NXP Semiconductors

FXLS8971CF

3-Axis Low-g Accelerometer

VDD = 3.0 V, T = 25 °C , unless otherwise noted.

Typical values represent mean or mean ±1 σ values, depending on the specific parameter.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

ODRMAX

Maximum ODR

—

3200

—

XY axes

—

217

—

NSDHPM

Noise Spectral Density, High

Performance Mode, FSR ≤ ±4 g, 25

Hz ≤ ODR ≤ 3200 Hz

Z axis

—

257

—

µg/

⎷Hz

XY axes

—

7.8

—

NRMSLPM

Noise RMS, Low-Power Mode, FSR

≤ ±4 g, all ODR ranges[5]

Z axis

—

9.4

—

Table 7. Accelerometer sensor performance parameters...continued

[1]

Determined with post board mount data using a standard lead-free reflow profile and NXP recommended landing pattern on a 10-layer FR4 PCB with 1.6

mm (63 mil) overall thickness.

[2]

Based on characterization data on limited number of parts from 3 lots. Limits provided with 4 sigma margin and 99% confidence level.

[3]

See Cross-axis sensitivity in Section 20 "Glossary".

[4]

See Self-Test in Section 20 "Glossary"

[5]

In low-power mode, higher ODR settings result in a lower noise density figure.

9.1 Typical performance

Device typical performance characteristics are illustrated in the charts shown in Figure 4, Figure 5, and

Figure 6. They represent post-board mount measurements on a three lot sample set.

Offset drift is computed from the 25 °C room temperature offset.

Similarly, offset and sensitivity temperature coefficients (resp. TCO and TCS) are computed with the 105 °C

data or 40 °C data compared to the 25 °C data. They are referred to as TCO or TCS “Hot” (25 °C to 105 °C) and

“Cold” (–40 °C to 25 °C).

FXLS8971CF

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Product data sheet

Rev. 2.1 — 7 March 2024

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