MMA7660FCT Freescale Semiconductor, MMA7660FCT Datasheet - Page 2

• Manufacturer Part Number: MMA7660FCT
• Description: ACCELEROMETER 3X3 DGTL 10-DFN
• Manufacturer: Freescale Semiconductor

Specifications of MMA7660FCT

• Axis: X, Y, Z
• Acceleration Range: ±1.5g
• Sensitivity: 21.33 count/g
• Voltage - Supply: 2.4 V ~ 3.6 V
• Output Type: Digital
• Interface: I²C
• Mounting Type: Surface Mount
• Package / Case: 10-DFN
• Sensing Axis: Triple
• Acceleration: 1.5 g
• Digital Output - Number Of Bits: 6 bit
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 2.4 V
• Supply Current: 294 uA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Shutdown: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Bandwidth: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Contents
DEFINITIONS ............................................................................................................................................................................... 5
ELECTRO STATIC DISCHARGE (ESD) ...................................................................................................................................... 7
PRINCIPLE OF OPERATION ...................................................................................................................................................... 9
MODES OF OPERATION .......................................................................................................................................................... 10
CONFIGURABLE SAMPLES PER SECONDS AND INTERRUPT SETTINGS ......................................................................... 11
POWER SAVING FEATURES ................................................................................................................................................... 11
TESTING THE LOGIC CHAIN ................................................................................................................................................... 11
FEATURES ................................................................................................................................................................................ 11
REGISTER DEFINITIONS ......................................................................................................................................................... 14
SERIAL INTERFACE ................................................................................................................................................................. 22
APPENDIX A - PACKAGE REQUIREMENTS FOR MMA7660FC ............................................................................................. 25
APPENDIX B - SENSING DIRECTION ...................................................................................................................................... 27
APPENDIX C - MMA7660FC ACQUISITION CODE TABLE ..................................................................................................... 28
APPENDIX D - I
Sensors
Freescale Semiconductor
Tap Detection ...................................................................................................................................................................... 13
Shake Detection .................................................................................................................................................................. 13
Auto-Wake/Sleep ................................................................................................................................................................ 13
Serial-Addressing ................................................................................................................................................................ 22
Start and Stop Conditions ................................................................................................................................................... 22
Bit Transfer .......................................................................................................................................................................... 22
Acknowledge ....................................................................................................................................................................... 23
The Slave Address .............................................................................................................................................................. 23
Message Format for Writing MMA7660FC .......................................................................................................................... 23
Message Format for Reading MMA7660FC ........................................................................................................................ 24
Minimum Recommended Footprint for Surface Mounted Applications ............................................................................... 25
Soldering And Mounting Guidelines for the DFN Accelerometer Sensor to a PC Board .................................................... 25
Overview of Soldering Considerations ................................................................................................................................ 25
Halogen Content ................................................................................................................................................................. 25
PCB Mounting Recommendations ...................................................................................................................................... 25
2
C AC CHARACTERISTICS ............................................................................................................................ 30
MMA7660FC
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