PMMA7450LR2 Freescale Semiconductor, Inc, PMMA7450LR2 Datasheet - Page 3

• Manufacturer Part Number: PMMA7450LR2
• Description: ?2g/?4g/?8g Three Axis Low-g Digital Output Accelerometer
• Manufacturer: Freescale Semiconductor, Inc

Table 2. Operating Characteristics
Unless otherwise noted: –20°C < T
Analog Supply Voltage
Digital I/O Pins Supply Voltage
Supply Current Drain (AV
Operating Temperature Range
Acceleration Range
X-Axis, Y-Axis, Z-Axis
Output Signal (T
Resolution (T
Sensitivity (T
Self Test Output Response
Input High Voltage
Input Low Voltage
Internal Clock Frequency
SPI Frequency
Output Data Rate (X, Y, Z set)
Bandwidth for Data Measurement (User Selectable)
Sensors
Freescale Semiconductor
Standby Operation Mode
Enable Bus Mode
Standby Operation Mode
Enable Bus Mode
Operation Mode
Pulse Detect Function Mode
Standby Mode (except data loading and I
Zero g
Zout
DV
DV
period)
±2g range (25°C) 8bit
±4g range (25°C) 8bit
±8g range (25°C) 8bit
±8g range (25°C) 10bit
±2g range (25°C) 8bit
±4g range (25°C) 8bit
±8g range (25°C) 8bit
±8g range (25°C) 10bit
±2g range (25°C) 8bit
±4g range (25°C) 8bit
±8g range (25°C) 8bit
±8g range (25°C) 10bit
DD_IO
DD_IO
< 2.4 V
> 2.4 V
A
A
=25°C, AV
=25°C, AV
A
=25°C, AV
DD
DD
DD
Characteristic
=2.8 V)
=2.8 V)
/GND)
DD
=2.8 V)
A
< 65°C, 2.4 V < AV
2
C/SPI communication
DD
< 3.6 V, Acceleration = 0g, Loaded output
DV
DV
Symbol
ΔV
ΔV
ΔV
ΔV
AV
AV
ΔST
V
V
V
V
gFS
gFS
gFS
t
I
I
I
V
V
CLK
T
DD_IO
DD_IO
DD
DD
DD
OFF
OFF
OFF
OFF
OUT
OUT
OUT
OUT
IH
IL
DD
DD
A
Z
0.7 x DV
1.71
1.71
TBD
Min
-20
-16
-16
2.4
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
-8
-4
DD
15.6
31.2
62.4
15.6
62.5
Typ
400
550
+64
150
125
125
2.8
1.8
1.8
25
±2
±4
±8
64
32
16
64
—
—
—
—
—
—
0
5
4
8
0.35 x DV
AV
Max
TBD
TBD
TBD
TBD
+65
+16
+16
3.6
3.6
+8
+4
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
DD
DD
MMA7450L
LSB/g
LSB/g
LSB/g
LSB/g
Unit
MHz
MHz
LSB
LSB
LSB
LSB
LSB
kHz
mg
mg
mg
mg
μA
μA
μA
Hz
Hz
Hz
°C
V
V
V
V
g
g
g
3