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ADXL354CEZ-RL7 Datasheet(PDF) 4 Page - Analog Devices |
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ADXL354CEZ-RL7 Datasheet(HTML) 4 Page - Analog Devices |
4 / 42 page ADXL354/ADXL355 Data Sheet Rev. 0 | Page 4 of 42 Parameter Test Conditions/Comments Min Typ Max Unit OUTPUT AMPLIFIER Swing No load 0.03 V1P8ANA − 0.03 V Output Series Resistance 32 kΩ TEMPERATURE SENSOR Output at 25°C 892.2 mV Scale Factor 3.0 mV/°C TEMPERATURE Operating Temperature Range −40 +125 °C 1 The resonant frequency is a sensor characteristic. An integrated analog 1.5 kHz (−6 dB) sinc low-pass filter that cannot be bypassed limits the actual output response. 2 The temperature change is −40°C to +25°C or +25°C to +125°C. 3 Repeatability is predicted for a 10 year life and includes shifts due to the high temperature operating life test (HTOL) (TA = 150°C, VSUPPLY = 3.6 V, and 1000 hours), temperature cycling (−55°C to +125°C and 1000 cycles), velocity random walk, broadband noise, and temperature hysteresis. 4 The VRE measurement is the shift in dc offset while the device is subject to 2.5 g rms of random vibration from 50 Hz to 2 kHz. The device under test (DUT) is configured for the ±2 g range and an output data rate of 4 kHz. The VRE scales with the range setting. 5 When V1P8ANA and V1P8DIG are generated internally, VSUPPLY is valid. To disable the LDO and drive V1P8ANA and V1P8DIG externally, connect VSUPPLY to VSS. 6 Standby to measurement mode; valid when the output is within 1 mg of the final value. DIGITAL OUTPUT FOR THE ADXL355 TA = 25°C, VSUPPLY = 3.3 V, x-axis acceleration and y-axis acceleration = 0 g, and z-axis acceleration = 1 g, and output data rate (ODR) = 500 Hz, unless otherwise noted. Note that multifunction pin names may be referenced by their relevant function only. Table 2. Parameter Test Conditions/Comments Min Typ Max Unit SENSOR INPUT Each axis Output Full Scale Range (FSR) User selectable ±2.048 g ±4.096 g ±8.192 g Nonlinearity ±2 g 0.1 % FS Cross Axis Sensitivity 1 % SENSITIVITY Each axis X-Axis, Y-Axis, and Z-Axis Sensitivity ±2 g 235,520 256,000 276,480 LSB/g ±4 g 117,760 128,000 138,240 LSB/g ±8 g 58,880 64,000 69,120 LSB/g X-Axis, Y-Axis, and Z-Axis Scale Factor ±2 g 3.9 µg/LSB ±4 g 7.8 µg/LSB ±8 g 15.6 µg/LSB Sensitivity Change due to Temperature −40°C to +125°C ±0.01 %/°C 0 g OFFSET Each axis, ±2 g X-Axis, Y-Axis, and Z-Axis 0 g Output −75 ±25 +75 mg 0 g Offset vs. Temperature (X-Axis, Y-Axis, and Z-Axis)1 −40°C to +125°C −0.15 ±0.02 +0.15 mg/°C Repeatability2 X-axis and y-axis ±3.5 mg Z-axis ±9 mg Vibration Rectification3 ±2 g range, in a 1 g orientation, offset due to 2.5 g rms vibration <0.4 g NOISE DENSITY ±2 g X-Axis, Y-Axis, and Z-Axis 25 µg/√Hz Velocity Random Walk X-axis and y-axis 9 µm/sec/√Hr Z-axis 13 µm/sec/√Hr OUTPUT DATA RATE AND BANDWIDTH Low-Pass Filter Passband Frequency User programmable, Register 0x28 1 1000 Hz High-Pass Filter Passband Frequency When Enabled (Disabled by Default) User programmable, Register 0x28 for 4 kHz ODR 0.0095 10 Hz |
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