Datasheet ADXRS642 (Analog Devices) - 4
| Manufacturer | Analog Devices |
| Description | Vibration Rejecting ±250°/s Yaw Rate Gyro |
| Pages / Page | 13 / 4 — Data Sheet. ADXRS642. SPECIFICATIONS. Table 1. Parameter. Conditions. … |
| Revision | A |
| File Format / Size | PDF / 353 Kb |
| Document Language | English |
Data Sheet. ADXRS642. SPECIFICATIONS. Table 1. Parameter. Conditions. Min. Typ. Max. Unit
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Data Sheet ADXRS642 SPECIFICATIONS
Al minimum and maximum specifications are guaranteed. Typical specifications are not guaranteed. TA = 25°C, VS = AVCC = VDD = 5 V, VRATIO = AVCC, angular rate = 0°/sec, bandwidth = 80 Hz (COUT = 0.01 µF), IOUT = 100 µA, ±1 g, unless otherwise noted.
Table 1. Parameter Conditions Min Typ Max Unit
SENSITIVITY1 Clockwise rotation is positive output Measurement Range2 Full-scale range over specifications range ±250 ±300 °/sec Initial and Over Temperature −40°C to +105°C 7.0 mV/°/sec Temperature Drift3 ±2 % Nonlinearity Best fit straight line 0.01 % of FS NULL1 Null −40°C to +105°C 2.5 V Calibrated Null4 −40°C to +105°C ±0.1 °/sec Temperature Drift −40°C to +105°C ±1 °/sec Linear Acceleration Effect Any axis 0.03 °/sec/g Vibration Rectification 25 g rms, 50 Hz to 5 kHz 0.0002 °/s/g2 NOISE PERFORMANCE Rate Noise Density T ≤ 25°C 0.02 °/sec/√Hz A Resolution Floor T A = 25°C 1 minute to 1 hour in-run 20 °/hr FREQUENCY RESPONSE Bandwidth5 +3 dB user adjustable up to specification 2000 Hz Sensor Resonant Frequency 15 17 19 kHz SELF-TEST1 ST1 RATEOUT Response ST1 pin from Logic 0 to Logic 1 −45 °/sec ST2 RATEOUT Response ST2 pin from Logic 0 to Logic 1 45 °/sec ST1 to ST2 Mismatch6 −5 ±2 +5 % Logic 1 Input Voltage 3.3 V Logic 0 Input Voltage 1.7 V Input Impedance To common 40 50 100 kΩ TEMPERATURE SENSOR1 V at 25°C Load = 10 MΩ 2.35 2.5 2.65 V OUT Scale Factor7 25°C, V = 5 V 9 mV/°C RATIO Load to V 25 kΩ S Load to Common 25 kΩ TURN-ON TIME4 Power on to ±0.5°/sec of final with CP5 = 100 nF 50 ms OUTPUT DRIVE CAPABILITY Current Drive For rated specifications 200 µA Capacitive Load Drive 1000 pF POWER SUPPLY Operating Voltage (V ) 4.75 5.00 5.25 V S Quiescent Supply Current 3.5 4.5 mA TEMPERATURE RANGE Specified Performance −40 +105 °C 1 Parameter is linearly ratiometric with VRATIO. 2 Measurement range is the maximum range possible, including output swing range, initial offset, sensitivity, offset drift, and sensitivity drift at 5 V supplies. 3 From +25°C to −40°C or +25°C to +105°C. 4 Based on characterization. 5 Adjusted by external capacitor, COUT. Reducing bandwidth below 0.01 Hz does not result in further noise improvement. 6 Self-test mismatch is described as (ST2 + ST1)/((ST2 − ST1)/2). 7 Scale factor for a change in temperature from 25°C to 26°C. VTEMP is ratiometric to VRATIO. See the Temperature Output and Calibration section for more information. Rev. A | Page 3 of 12 Document Outline Features Applications General Description Functional Block Diagram Revision History Specifications Absolute Maximum Ratings Rate Sensitive Axis ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Setting Bandwidth Temperature Output and Calibration Supply Ratiometricity Modifying the Measurement Range Null Adjustment Self-Test Function Continuous Self-Test Mechanical Performance Outline Dimensions Ordering Guide
Data Sheet ADXRS642 SPECIFICATIONS
Al minimum and maximum specifications are guaranteed. Typical specifications are not guaranteed. TA = 25°C, VS = AVCC = VDD = 5 V, VRATIO = AVCC, angular rate = 0°/sec, bandwidth = 80 Hz (COUT = 0.01 µF), IOUT = 100 µA, ±1 g, unless otherwise noted.
Table 1. Parameter Conditions Min Typ Max Unit
SENSITIVITY1 Clockwise rotation is positive output Measurement Range2 Full-scale range over specifications range ±250 ±300 °/sec Initial and Over Temperature −40°C to +105°C 7.0 mV/°/sec Temperature Drift3 ±2 % Nonlinearity Best fit straight line 0.01 % of FS NULL1 Null −40°C to +105°C 2.5 V Calibrated Null4 −40°C to +105°C ±0.1 °/sec Temperature Drift −40°C to +105°C ±1 °/sec Linear Acceleration Effect Any axis 0.03 °/sec/g Vibration Rectification 25 g rms, 50 Hz to 5 kHz 0.0002 °/s/g2 NOISE PERFORMANCE Rate Noise Density T ≤ 25°C 0.02 °/sec/√Hz A Resolution Floor T A = 25°C 1 minute to 1 hour in-run 20 °/hr FREQUENCY RESPONSE Bandwidth5 +3 dB user adjustable up to specification 2000 Hz Sensor Resonant Frequency 15 17 19 kHz SELF-TEST1 ST1 RATEOUT Response ST1 pin from Logic 0 to Logic 1 −45 °/sec ST2 RATEOUT Response ST2 pin from Logic 0 to Logic 1 45 °/sec ST1 to ST2 Mismatch6 −5 ±2 +5 % Logic 1 Input Voltage 3.3 V Logic 0 Input Voltage 1.7 V Input Impedance To common 40 50 100 kΩ TEMPERATURE SENSOR1 V at 25°C Load = 10 MΩ 2.35 2.5 2.65 V OUT Scale Factor7 25°C, V = 5 V 9 mV/°C RATIO Load to V 25 kΩ S Load to Common 25 kΩ TURN-ON TIME4 Power on to ±0.5°/sec of final with CP5 = 100 nF 50 ms OUTPUT DRIVE CAPABILITY Current Drive For rated specifications 200 µA Capacitive Load Drive 1000 pF POWER SUPPLY Operating Voltage (V ) 4.75 5.00 5.25 V S Quiescent Supply Current 3.5 4.5 mA TEMPERATURE RANGE Specified Performance −40 +105 °C 1 Parameter is linearly ratiometric with VRATIO. 2 Measurement range is the maximum range possible, including output swing range, initial offset, sensitivity, offset drift, and sensitivity drift at 5 V supplies. 3 From +25°C to −40°C or +25°C to +105°C. 4 Based on characterization. 5 Adjusted by external capacitor, COUT. Reducing bandwidth below 0.01 Hz does not result in further noise improvement. 6 Self-test mismatch is described as (ST2 + ST1)/((ST2 − ST1)/2). 7 Scale factor for a change in temperature from 25°C to 26°C. VTEMP is ratiometric to VRATIO. See the Temperature Output and Calibration section for more information. Rev. A | Page 3 of 12 Document Outline Features Applications General Description Functional Block Diagram Revision History Specifications Absolute Maximum Ratings Rate Sensitive Axis ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Setting Bandwidth Temperature Output and Calibration Supply Ratiometricity Modifying the Measurement Range Null Adjustment Self-Test Function Continuous Self-Test Mechanical Performance Outline Dimensions Ordering Guide
