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PDF MMA5248KW Data sheet ( Hoja de datos )
| Número de pieza | MMA5248KW | |
| Descripción | PSI5 Inertial Sensor | |
| Fabricantes | Freescale Semiconductor | |
| Logotipo |  |
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Freescale Semiconductor
Technical Data
PSI5 Inertial Sensor
The MMA52wwWR2 family of devices are AKLV27 and PSI5 Version 1.3
compatible overdamped X-axis satellite accelerometers.
Features
• ±60g to ±480g Full-Scale Range
• Selectable 400 Hz, 3 Pole, or 4 pole Low Pass Filter
• Single Pole High Pass Filter with Fast Start-Up & Output Rate Limiting
• PSI5 Version 1.3 Compatible
– PSI5-P10P-500/3L Compatible
– Programmable Time Slots with 0.5 μs Resolution
– Selectable Baud Rate: 125 kBaud or 190.5 kBaud
– Selectable Data Length: 8 or 10 bits
– Selectable Error Detection: Even Parity, or 3-bit CRC
– Optional Daisy Chain with External Low Side Switch
– Two-Wire Programming Mode
• 16 μs Internal Sample Rate, with Interpolation to 1 μs
• Pb-Free 16-Pin QFN, 6 x 6 Package
• Qualified AECQ100, Revision G, Grade 1 (-40°C to +125°C)
Typical Applications
• Airbag Front and Side Crash Detection
Device
MMA5206W
MMA5206WR2
MMA5206KW
MMA5206KWR2
MMA5212W
MMA5212WR2
MMA5212KW
MMA5212KWR2
MMA5224W
MMA5224WR2
MMA5224KW
MMA5224KWR2
MMA5248W
MMA5248WR2
MMA5248KW
MMA5248KWR2
ORDERING INFORMATION
Axis
Temperature
Range
Package
X 60g
2089-01
X 60g
2089-01
X 60g
2089-01
X 60g
2089-01
X 120g
2089-01
X 120g
2089-01
X 120g
2089-01
X 120g
2089-01
X 240g
2089-01
X 240g
2089-01
X 240g
2089-01
X 240g
2089-01
X 480g
2089-01
X 480g
2089-01
X 480g
2089-01
X 480g
2089-01
Shipping
Tubes
Tape & Reel
Tubes
Tape & Reel
Tubes
Tape & Reel
Tubes
Tape & Reel
Tubes
Tape & Reel
Tubes
Tape & Reel
Tubes
Tape & Reel
Tubes
Tape & Reel
”K” suffix indicates device manufactured with an alternate silicon sourcing.
This document contains certain information on a new product.
Specifications and information herein are subject to change without notice.
© Freescale Semiconductor, Inc., 2010. All rights reserved.
MMA52xxWR2
Rev 0, 02/2010
MMA52xxWR2
PSI5 INERTIAL SENSOR
Bottom View
16-PIN QFN
CASE 2089-01
Top View
16 15 14 13
VCC 1
VSS 2
17
12 VSSA
11 VREGA
IDATA 3
10 CS
VSS 4
9 VREG
5678
PIN CONNECTIONS
1 page  
2 ELECTRICAL CHARACTERISTICS
2.1 Maximum Ratings
Maximum ratings are the extreme limits to which the device can be exposed without permanently damaging it.
# Rating
Symbol
Value
Supply Voltage (VCC, IDATA)
1 Reverse Current ≤ 160 mA, t ≤ 80 ms
2 Continuous
3 Transient (< 10 μs)
VCC_REV
VCC_MAX
VCC_TRANS
-0.7
+20.0
+25.0
4 VBUF, Test, BUS_SW
-0.3 to +4.2
5 VREG, VREGA, SCLK, CS, DIN, DOUT, PCM
-0.3 to +3.0
6 Powered Shock (six sides, 0.5 ms duration)
gpms
±2000
7 Unpowered Shock (six sides, 0.5 ms duration)
gshock
±2500
8 Drop Shock (to concrete, tile or steel surface, 10 drops, any orientation)
hDROP
1.2
Electrostatic Discharge (per AEC-Q100)
9 External Pins (VCC, IDATA, VSS, VSSA), HBM (100 pF, 1.5 kΩ)
10 HBM (100 pF, 1.5 kΩ)
11 CDM (R = 0 Ω)
12 MM (200 pF, 0 Ω)
VESD
VESD
VESD
VESD
±4000
±2000
±1500
±200
Temperature Range
13 Storage
14 Junction
Tstg -40 to +125
TJ -40 to +150
15 Thermal Resistance
θJC 2.5
Unit
V
V
V
V
V
g
g
m
V
V
V
V
°C
°C
°C/W
(3)
(3)
(9)
(3)
(3)
(3)
(3)
(5)
(5)
(5)
(5)
(5)
(3)
(9)
(9,14)
2.2 Operating Range
VL ≤ (VCC - VSS) ≤ VH, TL ≤ TA ≤ TH, ΔT ≤ 25 K/min, unless otherwise specified
# Characteristic
Symbol
Min
16 Supply Voltage
17
VCC
VCC_UV
VL
4.2
VVCC_UV_F
Programming Voltage (IDATA ≤ 85 mA)
18 Applied to IDATA, VCC
VPP
14.0
Operating Temperature Range
19
TL
TA -40
Typ
—
—
—
—
Max
VH
17.0
VL
—
TH
+125
Units
V (1)
V (9)
V (3)
C (1)
Sensors
Freescale Semiconductor
Preliminary
MMA52xxWR
5
5 Page 
VCC
GND
tRS
ΔVSYNC
tSYNC
tS-S
VSYNC
VIDLE
Figure 5. Sync Pulse Characteristics
VCC_UV_f + VCC_HYST
VCC_UV_f
VCC
VBUF_UV_f + VBUF_HYST
VBUF_UV_f
VBUF
VREG_UV_f + VREG_HYST
VREG_UV_f
VREG
VREGA_UV_f+VREGA_HYST
VREGA_UV_f
VREG
POR
Response Terminated if in process
Time
Figure 6. Power-Up Timing
CS
tLEAD
SCLK
tACCESS
DOUT
tSETUP
DIN
tSCLKR
tSCLK
tSCLKL
tVALID
tHOLD_IN
tSCLKF
tSCLKH
tHOLD_OUT
tLAG
Figure 7. Serial Interface Timing
Sensors
Freescale Semiconductor
Preliminary
tCSN
tDISABLE
MMA52xxWR
11
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| PDF Descargar | [ Datasheet MMA5248KW.PDF ] | |
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