2.5
#
48
49
50
51
52
53
Electrical Characteristics - Signal Chain
Characteristic
*
*
*
*
*
V
L
≤
(V
CC
- V
SS
)
≤
V
H
, T
L
≤
T
A
≤
T
H
,
ΔT ≤
25 K/min, unless otherwise specified.
Symbol
SENS
SENS
SENS
SENS
SENS
SENS
ΔSENS_25
ΔSENS
OFF
10Bit
RANGE
ACC
RANGE
ERR
V
ZX
V
YX
n
SD
n
RMS
NL
OUT_sub50g
NL
OUT_sub250g
Min
⎯
⎯
⎯
⎯
⎯
⎯
-5
-7
Typ
20.48
10.24
8.192
4.096
2.731
1.638
⎯
⎯
512
⎯
0
Max
⎯
⎯
⎯
⎯
⎯
⎯
+5
+7
Units
LSB/g
LSB/g
LSB/g
LSB/g
LSB/g
LSB/g
%
%
(1,14)
(1,14)
(1,14)
(1,14)
(1,14)
(1,14)
(1)
(1)
Sensitivity (10-bit @ 100 Hz referenced to 0 Hz)
25g Range
50g Range
62.5g Range
125g Range
187g Range
312g Range
Total Sensitivity Error (including non-linearity)
54
T
A
= 25°C
T
L
≤
T
A
≤
T
H
55
56
57
58
Digital Offset
10-bit output
Range of Output (10-Bit Mode)
Acceleration
Internal Error
Cross-Axis Sensitivity
Z-axis to X-axis
Y-axis to X-axis
*
*
*
*
460
1
⎯
-5
-5
-4
⎯
-2
-2
564
1023
⎯
+5
+5
+4
+1.2
+2
+2
LSB
LSB
LSB
(1)
(3)
(3)
59
60
—
—
—
⎯
⎯
⎯
%
%
LSB
LSB
%
%
(3)
(3)
(3)
(3)
(3)
(3)
61 ADC Output Noise Peak (1 Hz - 1 kHz, 10-Bit)
62 System Output Noise (10-Bit, RMS, All Ranges)
63
64
Non-linearity (all ranges)
10-bit output, Range
<
50g
10-bit output, 50g
≤
Range
≤
312.5g
MMA26xxNKW
Sensors
Freescale Semiconductor, Inc.
7
FREESCALE [ FREESCALE SEMICONDUCTOR, INC ]
