FXLC95000CL Datasheet, PDF (25/38 Pages) Freescale Semiconductor, Inc – Xtrinsic FXLC95000CL Intelligent, Motion-Sensing Platform

Mechanical and Electrical Specifications
Table 8. Accelerometer characteristics (continued)
Characteristic
Cross-axis sensitivity
Symbol
Condition(s)¹
Min
Typ
Max
Unit
±8g, ODR=488Hz,
—
120
—
µg/sqrt(Hz)
4xoversampling⁴
—
3.75
—
mg (RMS)
—
—
–5
—
5
%
1. All conditions at nominal supply: V_DD = V_DDA = 1.8V and V_DDIO = 3.3V.
2. Relative to 25°C.
3. ODR: Output Data Rate or the sampled data rate of the system.
4. Performance specification is with CPU being inactive during sensor data acquisition
5.7 Temperature sensor characteristics
Table 9. Temperature sensor characteristics
Characteristic
Full scale range
Sensitivity
Non-linearity
Symbol
T_FSR
TSENS
T_NL
Condition(s)¹
—
16 bit data word
—
Min
Typ
–40
—
—
0.0025
—
±2.4
1. All conditions at nominal supply: V_DD = V_DDA = 1.8 V and V_DDIO = 3.3 V.
Max
Unit
+85
°C
—
°C/LSB
—
% FSR
5.8 ADC characteristics
Table 10. ADC characteristics
Characteristic
Symbol
Condition(s)¹
Min
Typ
Max
Unit
External input voltage
V_AI
Voltage at AN0 or AN1
0.2
—
1.1
V
External differential input voltage²
V_ADI
AN1 – AN0
–0.9
—
0.9
V
Full-scale range
V_FS
—
—
1.8
—
V
Programmable resolution
R_ES
—
10
14
16
bits
Conversion Time @ 14 bits
t_c
—
—
207
—
μs
resolution (three-sample frame,
XYZ)
Integral nonlinearity
INL
Full scale
—
±15
—
LSB
Differential nonlinearity
DNL
—
—
±2
—
LSB
Input leakage
Total capacitance
Series resistance
I_IA
—
—
—
±2
μA
C_in
—
—
7
—
pF
R_in
—
—
6
—
kΩ
1. All conditions at nominal supply: V_DD = V_DDA = 1.8 V, V_DDIO = 3.3 V, and R_ES = 14 unless otherwise noted.
2. The external ADC input pins go through a buffer line that is powered by V_DDIO. Noise on the V_DDIO line degrades the
external ADC signal.
Xtrinsic FXLC95000CL Intelligent, Motion-Sensing Platform, Rev1.2, 8/2013.
25
Freescale Semiconductor, Inc.