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MMA685X Datasheet(PDF) 6 Page - Freescale Semiconductor, Inc

Part # MMA685X
Description  Single-Axis SPI Inertial Sensor
PDF  52 Pages
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

MMA685X Datasheet(HTML) 6 Page - Freescale Semiconductor, Inc

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Sensors
6
Freescale Semiconductor, Inc.
MMA685x
2.3
Electrical Characteristics - Power Supply and I/O
VL ≤ (VCC - VSS) ≤ VH, TL ≤ TA ≤ TH, |ΔTA| < 25 K/min unless otherwise specified
#
Characteristic
Symbol
Min
Typ
Max
Units
21 Supply Current
*
IDD
3.0
⎯
7.0
mA
(1)
22
23
24
25
26
27
28
29
Power Supply Monitor Thresholds (See Figure 8)
VCC Undervoltage (Falling)
VREG Undervoltage (Falling)
VREG Overvoltage (Rising)
VREGA Undervoltage (Falling)
VREGA Overvoltage (Rising)
Power Supply Monitor Hysteresis
VCC Undervoltage (Falling)
VREG Undervoltage, VREG Overvoltage
VREGA Undervoltage, VREGA Overvoltage
*
*
*
*
*
VCC_UV_f
VREG_UV_f
VREG_OV_r
VREGA_UV_f
VREGA_OV_r
VHYST
VHYST
VHYST
2.74
2.10
2.65
2.20
2.65
65
20
20
⎯
⎯
⎯
⎯
⎯
100
100
100
3.02
2.25
2.85
2.35
2.85
110
210
150
V
V
V
V
V
mV
mV
mV
(3, 6)
(3, 6)
(3, 6)
(3, 6)
(3, 6)
(3)
(3)
(3)
30
31
32
Power Supply RESET Thresholds
(See Figure 5, and Figure 8)
VREG Undervoltage RESET (Falling)
VREG Undervoltage RESET (Rising)
VREG RESET Hysteresis
*
*
VREG_UVR_f
VREG_UVR_r
VHYST
1.764
1.876
80
⎯
⎯
⎯
2.024
2.152
140
V
V
mV
(3, 6)
(3, 6)
(3)
33
34
Internally Regulated Voltages
VREG
VREGA
*
*
VREG
VREGA
2.42
2.42
2.50
2.50
2.58
2.58
V
V
(1, 3)
(1, 3)
35
36
External Filter Capacitor (CREG, CREGA)
Value
ESR (including interconnect resistance)
CREG
ESR
700
⎯
1000
⎯
1500
400
nF
m
Ω
(19)
(19)
37
38
Power Supply Coupling
50 kHz
≤ f
n ≤ 300 kHz
4 MHz
≤ f
n ≤ 100 MHz
⎯
⎯
⎯
⎯
0.004
0.004
LSB/mv
LSB/mv
(19)
(19)
39
40
Output High Voltage (MISO, PCM)
3.15V
≤ (V
CC - VSS) ≤ 3.45V (ILoad = -1 mA)
4.75V
≤ (V
CC - VSS) ≤ 5.25V (ILoad = -1 mA)
*
*
VOH_3
VOH_5
VCC - 0.2
VCC - 0.4
⎯
⎯
⎯
⎯
V
V
(2, 3)
(2, 3)
41
42
Output Low Voltage (MISO, PCM)
3.15V
≤ (V
CC - VSS) ≤ 3.45V (ILoad = 1 mA)
4.75V
≤ (V
CC - VSS) ≤ 5.25V (ILoad = 1 mA)
*
*
VOL_3
VOL_5
⎯
⎯
⎯
⎯
0.2
0.4
V
V
(2, 3)
(2, 3)
43
44
Open Drain Output High Voltage (ARM)
3.15V
≤ (V
CC - VSS) ≤ 3.45V (IARM = -1 mA)
4.75V
≤ (V
CC - VSS) ≤ 5.25V (IARM = -1 mA)
*
*
VODH_3
VODH_5
VCC - 0.2
VCC - 0.4
⎯
⎯
⎯
⎯
V
V
(2, 3)
(2, 3)
45
46
Open Drain Output Pulldown Current (ARM)
3.15V
≤ (V
CC - VSS) ≤ 3.45V (VARM = 1.5 V)
4.75V
≤ (V
CC - VSS) ≤ 5.25V (VARM = 1.5 V)
*
*
IODPD_3
IODPD_5
50
50
⎯
⎯
100
100
μA
μA
(2, 3)
(2, 3)
47
48
Open Drain Output Low Voltage (ARM)
3.15V
≤ (V
CC - VSS) ≤ 3.45V (IARM = 1 mA)
4.75V
≤ (V
CC - VSS) ≤ 5.25V (IARM = 1 mA)
*
*
VODH_3
VODH_5
⎯
⎯
⎯
⎯
0.2
0.4
V
V
(2, 3)
(2, 3)
49
50
Open Drain Output Pullup Current (ARM)
3.15V
≤ (V
CC - VSS) ≤ 3.45V (VARM = 1.5 V)
4.75V
≤ (V
CC - VSS) ≤ 5.25V (VARM = 1.5 V)
*
*
IODPU_3
IODPU_5
-100
-100
⎯
⎯
-50
-50
μA
μA
(2, 3)
(2, 3)
51 Input High Voltage CS, SCLK, MOSI
*
VIH
2.0
⎯⎯
V(3, 6)
52 Input Low Voltage CS, SCLK, MOSI
*
VIL
⎯⎯
1.0
V
(3, 6)
53 Input Voltage Hysteresis CS, SCLK, MOSI
*
VI_HYST
0.125
⎯
0.500
V
(19)
54
55
Input Current
High (at VIH) (SCLK, MOSI)
Low (at VIL) (CS)
*
*
IIH
IIL
-260
30
-50
50
-30
260
μA
μA
(2, 3)
(2, 3)



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