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Linear Accelerometer. FXLS8471Q Datasheet

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Linear Accelerometer. FXLS8471Q Datasheet







FXLS8471Q Accelerometer. Datasheet pdf. Equivalent




FXLS8471Q Accelerometer. Datasheet pdf. Equivalent





Part

FXLS8471Q

Description

Linear Accelerometer

Manufacture

NXP

Datasheet
Download FXLS8471Q Datasheet


NXP FXLS8471Q

FXLS8471Q; FXLS8471Q 3-Axis, Linear Accelerometer R ev. 3.0 — 13 June 2019 Product data sheet 1 General description FXLS8471Q is a small, low-power, 3-axis, linear a ccelerometer in a 3 mm x 3 mm x 1 mm QF N package. FXLS8471Q has dynamically se lectable acceleration full-scale ranges of ±2 g/±4 g/±8 g and 14 bits of re solution. Output data rates (ODR) are p rogrammable from 1.563 .


NXP FXLS8471Q

Hz to 800 Hz. I2C and SPI serial digital interfaces are provided along with sev eral user programmable event detection functions that can be used to reduce th e overall system power consumption by o ff-loading the host processor. FXLS8471 Q is guaranteed to operate over the ext ended temperature range of –40 °C to +105 °C. 2 Features and benefits • 1.95 V to 3.6 V VDD supp.


NXP FXLS8471Q

ly voltage, 1.62 V to 3.6 V VDDIO voltag e • ±2 g/±4 g/±8 g dynamically sel ectable acceleration full-scale ranges • Output Data Rates (ODR) from 1.563 Hz to 800 Hz • Low noise: typically 9 9 μg/Hz in low-noise mode @ 200-Hz ban dwidth • 14-bit ADC resolution: 0.244 mg/LSB in ±2 g full-scale range • E mbedded programmable acceleration event functions – Freefall and motion .



Part

FXLS8471Q

Description

Linear Accelerometer

Manufacture

NXP

Datasheet
Download FXLS8471Q Datasheet




 FXLS8471Q
FXLS8471Q
3-Axis, Linear Accelerometer
Rev. 3.0 — 13 June 2019
Product data sheet
1 General description
FXLS8471Q is a small, low-power, 3-axis, linear accelerometer in a
3 mm x 3 mm x 1 mm QFN package. FXLS8471Q has dynamically selectable
acceleration full-scale ranges of ±2 g/±4 g/±8 g and 14 bits of resolution. Output data
rates (ODR) are programmable from 1.563 Hz to 800 Hz. I2C and SPI serial digital
interfaces are provided along with several user programmable event detection functions
that can be used to reduce the overall system power consumption by off-loading the host
processor. FXLS8471Q is guaranteed to operate over the extended temperature range of
–40 °C to +105 °C.
2 Features and benefits
1.95 V to 3.6 V VDD supply voltage, 1.62 V to 3.6 V VDDIO voltage
±2 g/±4 g/±8 g dynamically selectable acceleration full-scale ranges
Output Data Rates (ODR) from 1.563 Hz to 800 Hz
Low noise: typically 99 μg/Hz in low-noise mode @ 200-Hz bandwidth
14-bit ADC resolution: 0.244 mg/LSB in ±2 g full-scale range
Embedded programmable acceleration event functions
Freefall and motion detection
Transient detection
Vector-Magnitude change detection
Pulse and tap detection (single and double)
Orientation detection (portrait/landscape)
Programmable automatic ODR change using Auto-Wake and return to Sleep functions
to save power
192-byte FIFO buffer, capable of storing up to 32 samples of X/Y/Z data
Supports SPI interface at up to 1 MHz; I2C Normal (100 kHz) and Fast modes
(400 kHz)
Integrated self-test function
Integrated temperature sensor with 8-bit output resolution
3 Typical applications
Automotive convenience and security
Tilt sensing, orientation detection, vibration sensing
Navigation applications
Industrial IOT
Asset tracking
Equipment monitoring: vibration analysis, machine health





 FXLS8471Q
NXP Semiconductors
FXLS8471Q
3-Axis, Linear Accelerometer
Medical
Patient and activity monitors
Consumer devices
Wearables
Portable electronics
4 Ordering information
Table 1. Ordering information
Type number
Temperature range
FXLS8471Q
–40 °C to +105 °C
Package
Name
VQFN16
Description
Version
plastic, very thin quad flatpack; no leads; 16 terminals; SOT1676-1
0.5 mm pitch; 3 mm x 3 mm x 1 mm body
5 Block Diagram
Figure 1. Block diagram
FXLS8471Q
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 3.0 — 13 June 2019
© NXP B.V. 2019. All rights reserved.
2 / 86





 FXLS8471Q
NXP Semiconductors
6 Pinning information
6.1 Pinning
FXLS8471Q
3-Axis, Linear Accelerometer
pin 1
index area
VDDIO 1
BYP 2
Reserved 3
SCL/SCLK 4
GND 5
FXLS8471Q
13 Reserved
12 GND
11 INT1
10 SA1/CS_B
9 INT2
Figure 2. Pinning
aaa-031461
Transparent top view
6.2 Pin description
Table 2. Pin Description
Symbol
Pin
VDDIO
1
BYP 2
Reserved
3
SCL/SCLK
4
GND
5
SDA/MOSI
SA0/MISO[1]
6
7
n.c. 8
INT2
9
SA1/CS_B
10
INT1
11
GND
12
Reserved
13
VDD
14
N/C 15
RST 16
Description
Interface power supply
Internal regulator output bypass capacitor connection
Test reserved, connect to GND
I2C Serial Clock/SPI Clock
Ground
I2C Serial Data/SPI Master Out, Slave In
I2C address selection bit 0/SPI Master In, Slave Out
Internally not connected
Interrupt 2
I2C address selection bit 1[2]/SPI Chip Select (active low)
Interrupt 1
Ground
Test reserved, connect to GND
Power supply
Internally not connected
Reset input, active high. Connect to GND if unused
[1] The SA0 pin is also used to select the desired serial interface mode during POR and also after a hard/soft reset event. See Section 10.2.3 for more
information
[2] See Table 4 for I2C address options selectable using the SA0 and SA1 pins.
FXLS8471Q
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 3.0 — 13 June 2019
© NXP B.V. 2019. All rights reserved.
3 / 86



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