2.7
Dynamic Electrical Characteristics - Signal Chain
V L ≤ (V CC - V SS ) ≤ V H , T L ≤ T A ≤ T H , Δ T ≤ 25 K/min, unless otherwise specified
#
Characteristic
Symbol
Min
Typ
Max
Units
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
Internal Oscillator Frequency
DSP Low-Pass Filter (Note15)
Cutoff frequency LPF0 (referenced to 0 Hz)
Filter Order LPF0
Cutoff frequency LPF1 (referenced to 0 Hz)
Filter Order LPF1
DSP Offset Cancellation Low-Pass Filter (Note 15)
Offset Cancellation Low-Pass Filter Input Sample Rate
Stage 1 Cutoff frequency, Startup Phase 1
Stage 1 Filter Order, Startup Phase 1
Stage 2 Cutoff frequency, Startup Phase 1
Stage 2 Filter Order, Startup Phase 1
Cutoff frequency, Option 0
Filter Order, Option 0
Offset Cancellation Output Update Rate (8-Bit Mode)
Offset Cancellation Output Step Size (8-Bit Mode)
Offset Cancellation Output Update Rate (10-Bit Mode)
Offset Cancellation Output Step Size (10-Bit Mode)
Offset Monitor Update Frequency
Offset Monitor Count Limit
Offset Monitor Counter Size
Sensing Element Natural Frequency
±60g
±120g
±240g
±480g
Sensing Element Rolloff Frequency (-3 db)
±60g
±120g
±240g
±480g
Sensing Element Damping Ratio
±60g
±120g
±240g
±480g
Sensing Element Delay (@100 Hz)
±60g
±120g
±240g
±480g
Package Resonance Frequency
*
*
*
*
*
f OSC
f C_LPF0
O LPF0
f C_LPF1
O LPF1
t OC_SampleRate
f C_OC10
O OC10
f C_OC03
O OC03
f C_OC0
O OC0
t OffRate_8
OFF Step_8
t OffRate_10
OFF Step_10
OFFMON OSC
OFFMON CNTLIMIT
OFFMON CNTSIZE
f gcell_X60
f gcell_X120
f gcell_X240
f gcell_X480
f gcell_X60
f gcell_X120
f gcell_X240
f gcell_X480
ζ gcell_X60
ζ gcell_X120
ζ gcell_X240
ζ gcell_X480
f gcell_delay_X60
f gcell_delay_X120
f gcell_delay_X240
f gcell_delay_X480
f Package
3.80
?
?
?
?
?
?
?
?
?
?
?
?
?
?
?
?
?
?
12651
12651
26000
26000
938
938
3952
3952
2.760
2.760
1.260
1.260
63
63
13
13
100
4
400
3
400
4
256
10.0
1
0.300
1
0.100
1
f OSC / 2e6
0.125
f OSC / 2e6
0.5
f OSC /2000
4096
8192
?
?
?
?
?
?
?
?
?
?
?
?
?
?
?
?
?
4.20
?
?
?
?
?
?
?
?
?
?
?
?
?
?
?
?
?
?
13871
13871
28700
28700
2592
2592
14370
14370
6.770
6.770
3.602
3.602
170
170
40
40
?
MHz
Hz
1
Hz
1
μ s
Hz
1
Hz
1
Hz
1
s
LSB
s
LSB
Hz
1
1
Hz
Hz
Hz
Hz
Hz
Hz
Hz
Hz
?
?
?
?
μ s
μ s
μ s
μ s
kHz
(1)
(7)
(7)
(7)
(7)
(7)
(7)
(7)
(7)
(7)
(7)
(7)
(7)
(7)
(7)
(7)
(7)
(7)
(7)
(9)
(9)
(9)
(9)
(9)
(9)
(9)
(9)
(9)
(9)
(9)
(9)
(9)
(9)
(9)
(9)
(9)
MMA52xxKW
Sensors
Freescale Semiconductor, Inc.
9
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