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PDF FXOS8700CQR1 Data sheet ( Hoja de datos )
| Número de pieza | FXOS8700CQR1 | |
| Descripción | 6-Axis Xtrinsic Sensor | |
| Fabricantes | Freescale Semiconductor | |
| Logotipo |  |
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Freescale Semiconductor
Data Sheet: Advance Information
Document Number: FXOS8700CQ
Rev. 1, 06/2012
6-Axis Xtrinsic Sensor with Integrated
Linear Accelerometer and
Magnetometer
FXOS8700CQ
FXOS8700CQ is a small, low-power 6-axis linear accelerometer and
magnetometer combined into a single package. The device features a selectable
digital I2C or SPI serial interface with 14-bit accelerometer and 16-bit
magnetometer resolution along with smart-embedded functions. FXOS8700CQ
has dynamically selectable acceleration full scales of ±2g/±4g/±8g and a fixed
magnetic measurement range of ±1200 μT. Output Data Rates (ODR) from
1.563 Hz to 800 Hz are selectable by the user for each sensor. Interleaved
magnetic and acceleration data is available at ODR rates of up to 400 Hz.
FXOS8700CQ is available in a plastic QFN package and it is guaranteed to operate
over the extended temperature range of -40°C to +85°C.
16 LEAD QFN
3 mm by 3 mm by 1.2 mm
Features
• 1.95V to 3.6V VDD supply voltage, 1.62V to 3.6 VDDIO voltage
Top View
• ±2g/±4g/±8g dynamically selectable acceleration full-scale range
• ±1200 µT magnetic sensor full-scale range
• Output Data Rates (ODR) from 1.563 Hz to 800 Hz for each sensor, and up to
400 Hz when operated in hybrid mode with both sensors active
VDDIO 1
16 15 14
13 Reserved
• Low noise: < 150 μg/√Hz acceleration, < 1 μT rms magnetic
BYP 2
12 GND
• 14-bit resolution for acceleration measurements
Reserved 3 FXOS8700CQ 11 INT1
• 16-bit resolution for magnetic measurements
SCL/SCLK 4
10 SA1/CS_B
• Footprint compatible with Xtrinsic MMA8451, 2, 3
• Embedded programmable acceleration event functions:
— Freefall and Motion Detection
GND 5
678
9 INT2
— Transient Detection
— Vector-Magnitude Change Detection
— Pulse and Tap Detection (Single and Double)
Pin Connections
— Orientation Detection (Portrait/Landscape)
• Embedded programmable magnetic event functions:
— Threshold Detection
— Vector-Magnitude Change Detection
— Autonomous Magnetic Min/Max Detection
— Autonomous Hard-Iron Calibration
• Programmable automatic ODR change using Auto-Wake and return to Sleep functions to save power. This function works
with both magnetic and acceleration event interrupt sources.
• 32-sample FIFO for acceleration data only
• Integrated accelerometer and magnetometer self-test functions
Target Markets
• Smart phones, tablets, personal navigation devices, robotics, UAVs, and wrist watches with embedded electronic compass
(eCompass) function.
• Medical applications: patient monitoring, fall detection, and rehabilitation
This document contains information on a new product. Specifications and information herein
are subject to change without notice.
© 2012 Freescale Semiconductor, Inc. All rights reserved.
1 page  
2 Pin Description
VDDIO 1
BYP 2
Reserved 3
SCL/SCLK 4
GND 5
16 15 14
FXOS8700CQ
678
13 Reserved
12 GND
11 INT1
10 SA1/CS_B
9 INT2
Top View
16 Lead QFN-COL
3 mm by 3 mm by 1.2 mm
Figure 2. Pinout diagram
Table 1. Pin Description
Pin Name
Function
1
VDDIO
Interface power supply
2
BYP
Internal regulator output bypass capacitor connection
3 Reserved Test reserved, connect to GND
4 SCL/SCLK I2C Serial Clock/SPI Clock
5
GND
Ground
6 SDA/MOSI I2C Serial Data/SPI Master Out, Slave In
7 SA0/MISO I2C address selection bit 0(1)/SPI Master In, Slave Out
8 Crst Magnetic reset cap
9
INT2
Interrupt 2
10 SA1/CS_B I2C address selection bit 1(1)/SPI Chip Select (active low)
11
INT1
Interrupt 1
12
GND
Ground
13 Reserved Test reserved, connect to GND
14
VDD
Power supply
15 N/C Internally not connected
16
RST
Reset input, active high. Connect to GND if unused
1. See Table 9 for I2C address options selectable using the SA0 and SA1 pins.
Device power is supplied through the VDD pin. Power supply decoupling capacitors (100 nF ceramic plus 4.7 μF bulk) should be
placed as close as possible to pin 14 of the device. The digital interface supply voltage (VDDIO) should be decoupled with a
100 nF ceramic capacitor placed as close as possible to pin 1 of the device.
The digital control signals SCL, SDA, SA0, SA1, and RST are not tolerant of voltages more than VDDIO + 0.3V. If VDDIO is
removed, these pins will clamp any logic signals through their internal ESD protection diodes.
Sensors
Freescale Semiconductor, Inc.
5
5 Page 
4.3 Hybrid characteristics
Table 4. Hybrid characteristics @ VDD = 2.5V, VDDIO = 1.8V T = 25°C unless otherwise noted.
Symbol
Top
Parameter
Maximum output data rate in hybrid mode
Operating temperature range
Test Conditions
Min Typ
400
-40
4.4 Electrical characteristics
Table 5. Electrical characteristics @ VDD = 2.5V, VDDIO = 1.8V T = 25°C unless otherwise noted.
Symbol
Parameter
VDD Supply voltage
VDDIO Interface supply voltage
IddLP Low-power acceleration mode
Test Conditions
ODR = 12.5 Hz
ODR = 100 Hz
ODR = 400 Hz
ODR = 50 Hz
Idd Normal acceleration mode
ODR = 200 Hz
ODR = 800 Hz
ODR = 200 Hz
g-cell OS = 4
m-cell OS = 2
Idd Hybrid mode
ODR = 100 Hz
g-cell OS = 4
m-cell OS = 2
ODR = 25 Hz
g-cell OS = 4
m-cell OS = 2
Idd Magnetic mode
ODR = 400 Hz, OS = 2
ODR = 12.5 Hz, OS = 2
Idd Boot
Current during boot sequence, 0.9 mS max duration
using recommended regulator bypass capacitor
VDD = 2.5V
Cap, Cres
Value of capacitors on BYP pin and magnetic reset
pins
-40°C to 85°C
Min
1.95
1.62
75
Typ
2.5
1.8
8
35
130
35
130
240
440
240
80
575
40
100
IddSTBY Standby mode current @ 25°C
Standby mode
2
Max
+85
Max
3.6
3.6
3
470
Unit
Hz
°C
Unit
V
V
μA
μA
μA
μA
mA
nF
μA
IddSTBY Standby mode current over-temperature range
VIH
VIL
VIH
VIL
VOH
VOL
VOLS
Digital high-level input voltage RST pin
Digital low-level input voltage RST pin
Digital high-level input voltage
SCL, SDA, SA0, SA1
Digital low-level input voltage
SCL, SDA, SA0, SA1
High-level output voltage
INT1, INT2
Low-level output voltage
INT1, INT2
Low-level output voltage
SDA
Standby mode
IO = 500 µA
IO = 500 μA
IO = 500 μA
16 μA
0.75*VDDIO
1.04
0.68
V
V
V
0.3*VDDIO V
0.9*VDDIO
V
0.1*VDDIO V
0.1*VDDIO V
Sensors
Freescale Semiconductor, Inc.
11
11 Page | ||
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