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ADXL311

Features: `Low cost`High resolution`Dual-axis accelerometer on a single IC chip`5 mm * 5 mm * 2 mm CLCC package`Low power < 400 A (typ)`X-axis and Y-axis aligned to within 0.1° (typ)`BW adjustment with a single capacitor`Single-supply operation`High shock survivalApplication·Tilt and motion sen...

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ADXL311: Features: `Low cost`High resolution`Dual-axis accelerometer on a single IC chip`5 mm * 5 mm * 2 mm CLCC package`Low power < 400 A (typ)`X-axis and Y-axis aligned to within 0.1° (typ)`BW adjustmen...

ADXL311 Data Sheet

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Part Number:
ADXL311
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

`Low cost
`High resolution
`Dual-axis accelerometer on a single IC chip
`5 mm * 5 mm * 2 mm CLCC package
`Low power < 400 A (typ)
`X-axis and Y-axis aligned to within 0.1° (typ)
`BW adjustment with a single capacitor
`Single-supply operation
`High shock survival




Application

·Tilt and motion sensing in cost-sensitive applications
·Smart handheld devices
·Computer security
·Input devices
·Pedometers and activity monitors
·Game controllers
·Toys and entertainment products




Pinout

ADXL311 Diagram




Specifications

# of Axes 2
Range +/- 2g
Sensitivity 174 mV/g
Sensitivity Accuracy (%) ±15n/a
Output Type Analog
Typical Bandwidth (kHz) 6kHz
Noise Density (°/s/rtHz) 300
Voltage Supply (V) 2.4 to 5.25
Supply Current 0.4mA
Temp Range (°C) 0 to 70°C
Package E-8


Acceleration (Any Axis, Unpowered)............. 3,500 g, 0.5 ms
Acceleration (Any Axis, Powered, VDD = 3 V)........3,500 g, 0.5 ms
VDD................................ 0.3 V to +0.6 V
Output Short-Circuit Duration, (Any Pin to Commom)...... Indefinite
Operating Temperature Range.............. 55°C to +125°C
Storage Temperature.................... 65°C to +150°C




Description

The ADXL311 is a low cost, low power, complete dual-axis accelerometer with signal conditioned voltage outputs, all on a single monolithic IC. The ADXL311 is built using the same proven iMEMS® process used in over 100 million Analog Devices accelerometers shipped to date, with demonstrated 1 FIT reliability (1 failure per 1 billion device operating hours).

The ADXL311 will measure acceleration with a full-scale range of ±2 g. The ADXL311 can measure both dynamic acceleration (e.g., vibration) and static acceleration (e.g., gravity). The outputs are analog voltages proportional to acceleration.

The typical noise floor is 300 g/Hz allowing signals below 2 mg (0.1° of inclination) to be resolved in tilt sensing appli-cations using narrow bandwidths (10 Hz). The user selects the bandwidth of the accelerometer using capacitors CX and CY at the XFILT and YFILT pins in ADXL311. Bandwidths of 1 Hz to 2 kHz may be selected to suit the application.






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