Datasheet ADXL377 (Analog Devices) - 4
| Hersteller | Analog Devices |
| Beschreibung | Small, Low Power, 3-Axis ±200 g Accelerometer |
| Seiten / Seite | 13 / 4 — Data Sheet. ADXL377. SPECIFICATIONS. Table 1. Parameter Test. … |
| Revision | B |
| Dateiformat / Größe | PDF / 317 Kb |
| Dokumentensprache | Englisch |
Data Sheet. ADXL377. SPECIFICATIONS. Table 1. Parameter Test. Conditions/Comments. Min. Typ. Max. Unit
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Data Sheet ADXL377 SPECIFICATIONS
TA = 25°C, VS = 3 V, CX = CY = CZ = 0.1 μF, acceleration = 0 g, unless otherwise noted. All minimum and maximum specifications are guaranteed. Typical specifications are not guaranteed.
Table 1. Parameter Test Conditions/Comments Min Typ Max Unit
SENSOR INPUT Each axis Measurement Range ±200 g Nonlinearity % of full scale up to 180 g ±0.5 % Cross-Axis Sensitivity1 ±1.4 % SENSITIVITY, RATIOMETRIC2 Each axis Sensitivity at XOUT, YOUT, and ZOUT VS = 3 V 5.8 6.5 7.2 mV/g Sensitivity Change Due to Temperature3 VS = 3 V ±0.02 %/°C ZERO g BIAS LEVEL, RATIOMETRIC Zero g Voltage VS = 3 V, TA = 25°C 1.4 1.5 1.6 V Zero g Offset vs. Temperature X-Axis and Y-Axis ±12 mg/°C Z-Axis ±30 mg/°C NOISE PERFORMANCE Noise Density XOUT and YOUT 2.7 mg/√Hz ZOUT 4.3 mg/√Hz FREQUENCY RESPONSE4 Bandwidth5 No external filter XOUT and YOUT 1300 Hz ZOUT 1000 Hz RFILT Tolerance 32 ± 15% kΩ Sensor Resonant Frequency 16.5 kHz SELF-TEST6 Logic Input Low 0.6 V Logic Input High 2.4 V ST Actuation Current 60 μA Output Change Self-test, 0 to 1 At XOUT −6.5 mV At YOUT 6.5 mV At ZOUT 11.5 mV OUTPUT AMPLIFIER No load Output Swing Low 0.1 V Output Swing High 2.8 V POWER SUPPLY Operating Voltage Range7 1.8 3.0 3.6 V Supply Current VS = 3 V 300 μA Turn-On Time8 No external filter 1 ms OPERATING TEMPERATURE RANGE −40 +85 °C 1 Defined as coupling between any two axes. 2 Sensitivity is essentially ratiometric to VS. 3 Defined as the output change from ambient temperature to maximum temperature or from ambient temperature to minimum temperature. 4 Actual frequency response controlled by user-supplied external filter capacitors (CX, CY, and CZ). 5 Bandwidth with external capacitors = 1/(2π × 32 kΩ × Cx). 6 Self-test response changes cubically with VS. 7 Tested at 3.0 V and guaranteed by design only (not tested) to work over the full voltage range from 1.8 V to 3.6 V. 8 Turn-on time is dependent on CX, CY, and CZ and is approximately 160 × (CX or CY or CZ) + 1, where CX, CY, and CZ are in μF and the resulting turn-on time is in ms. Rev. 0 | Page 3 of 12 Document Outline Features Applications General Description Functional Block Diagram Table of Contents Revision History Specifications Absolute Maximum Ratings ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Mechanical Sensor Performance Applications Information Power Supply Decoupling Setting the Bandwidth Using CX, CY, and CZ Self-Test Selecting Filter Characteristics: Noise/Bandwidth Trade-Off Axes of Acceleration Sensitivity Layout and Design Recommendations Outline Dimensions Ordering Guide
Data Sheet ADXL377 SPECIFICATIONS
TA = 25°C, VS = 3 V, CX = CY = CZ = 0.1 μF, acceleration = 0 g, unless otherwise noted. All minimum and maximum specifications are guaranteed. Typical specifications are not guaranteed.
Table 1. Parameter Test Conditions/Comments Min Typ Max Unit
SENSOR INPUT Each axis Measurement Range ±200 g Nonlinearity % of full scale up to 180 g ±0.5 % Cross-Axis Sensitivity1 ±1.4 % SENSITIVITY, RATIOMETRIC2 Each axis Sensitivity at XOUT, YOUT, and ZOUT VS = 3 V 5.8 6.5 7.2 mV/g Sensitivity Change Due to Temperature3 VS = 3 V ±0.02 %/°C ZERO g BIAS LEVEL, RATIOMETRIC Zero g Voltage VS = 3 V, TA = 25°C 1.4 1.5 1.6 V Zero g Offset vs. Temperature X-Axis and Y-Axis ±12 mg/°C Z-Axis ±30 mg/°C NOISE PERFORMANCE Noise Density XOUT and YOUT 2.7 mg/√Hz ZOUT 4.3 mg/√Hz FREQUENCY RESPONSE4 Bandwidth5 No external filter XOUT and YOUT 1300 Hz ZOUT 1000 Hz RFILT Tolerance 32 ± 15% kΩ Sensor Resonant Frequency 16.5 kHz SELF-TEST6 Logic Input Low 0.6 V Logic Input High 2.4 V ST Actuation Current 60 μA Output Change Self-test, 0 to 1 At XOUT −6.5 mV At YOUT 6.5 mV At ZOUT 11.5 mV OUTPUT AMPLIFIER No load Output Swing Low 0.1 V Output Swing High 2.8 V POWER SUPPLY Operating Voltage Range7 1.8 3.0 3.6 V Supply Current VS = 3 V 300 μA Turn-On Time8 No external filter 1 ms OPERATING TEMPERATURE RANGE −40 +85 °C 1 Defined as coupling between any two axes. 2 Sensitivity is essentially ratiometric to VS. 3 Defined as the output change from ambient temperature to maximum temperature or from ambient temperature to minimum temperature. 4 Actual frequency response controlled by user-supplied external filter capacitors (CX, CY, and CZ). 5 Bandwidth with external capacitors = 1/(2π × 32 kΩ × Cx). 6 Self-test response changes cubically with VS. 7 Tested at 3.0 V and guaranteed by design only (not tested) to work over the full voltage range from 1.8 V to 3.6 V. 8 Turn-on time is dependent on CX, CY, and CZ and is approximately 160 × (CX or CY or CZ) + 1, where CX, CY, and CZ are in μF and the resulting turn-on time is in ms. Rev. 0 | Page 3 of 12 Document Outline Features Applications General Description Functional Block Diagram Table of Contents Revision History Specifications Absolute Maximum Ratings ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Mechanical Sensor Performance Applications Information Power Supply Decoupling Setting the Bandwidth Using CX, CY, and CZ Self-Test Selecting Filter Characteristics: Noise/Bandwidth Trade-Off Axes of Acceleration Sensitivity Layout and Design Recommendations Outline Dimensions Ordering Guide