Datasheet ADXRS622 (Analog Devices) - 4
| 制造商 | Analog Devices |
| 描述 | ±250°/sec Yaw Rate Gyroscope |
| 页数 / 页 | 13 / 4 — ADXRS622. SPECIFICATIONS. Table 1. Parameter. Conditions. Min. Typ. Max. … |
| 修订版 | C |
| 文件格式/大小 | PDF / 355 Kb |
| 文件语言 | 英语 |
ADXRS622. SPECIFICATIONS. Table 1. Parameter. Conditions. Min. Typ. Max. Unit
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ADXRS622 SPECIFICATIONS
Al minimum and maximum specifications are guaranteed. Typical specifications are not guaranteed. TA = −40°C to +105°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 6.2 7.0 7.8 mV/°/sec Temperature Drift3 ±2 % Nonlinearity Best fit straight line 0.1 % of FS NULL1 Null −40°C to +105°C 2.15 2.5 2.85 V Linear Acceleration Effect Any axis 0.1 °/sec/g NOISE PERFORMANCE Rate Noise Density T ≤ 25 A °C 0.06 °/sec/√Hz FREQUENCY RESPONSE Bandwidth4 0.01 2500 Hz Sensor Resonant Frequency 12 14.5 17 kHz SELF-TEST1 ST1 RATEOUT Response ST1 pin from Logic 0 to Logic 1 −750 −525 −300 mV ST2 RATEOUT Response ST2 pin from Logic 0 to Logic 1 300 525 750 mV ST1 to ST2 Mismatch5 −5 +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 Factor6 @ 25°C, V = 5 V 9 mV/°C RATIO Load to V 25 kΩ S Load to Common 25 kΩ TURN-ON TIME Power on to ±½°/sec of final 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 Adjusted by external capacitor, COUT. Reducing bandwidth below 0.01 Hz does not result in further noise improvement. 5 Self-test mismatch is described as (ST2 + ST1)/((ST2 − ST1)/2). 6 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. C | 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 Calibrated Performance ADXRS622 and Supply Ratiometricity Null Adjustment Self-Test Function Continuous Self-Test Outline Dimensions Ordering Guide Automotive Products
ADXRS622 SPECIFICATIONS
Al minimum and maximum specifications are guaranteed. Typical specifications are not guaranteed. TA = −40°C to +105°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 6.2 7.0 7.8 mV/°/sec Temperature Drift3 ±2 % Nonlinearity Best fit straight line 0.1 % of FS NULL1 Null −40°C to +105°C 2.15 2.5 2.85 V Linear Acceleration Effect Any axis 0.1 °/sec/g NOISE PERFORMANCE Rate Noise Density T ≤ 25 A °C 0.06 °/sec/√Hz FREQUENCY RESPONSE Bandwidth4 0.01 2500 Hz Sensor Resonant Frequency 12 14.5 17 kHz SELF-TEST1 ST1 RATEOUT Response ST1 pin from Logic 0 to Logic 1 −750 −525 −300 mV ST2 RATEOUT Response ST2 pin from Logic 0 to Logic 1 300 525 750 mV ST1 to ST2 Mismatch5 −5 +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 Factor6 @ 25°C, V = 5 V 9 mV/°C RATIO Load to V 25 kΩ S Load to Common 25 kΩ TURN-ON TIME Power on to ±½°/sec of final 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 Adjusted by external capacitor, COUT. Reducing bandwidth below 0.01 Hz does not result in further noise improvement. 5 Self-test mismatch is described as (ST2 + ST1)/((ST2 − ST1)/2). 6 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. C | 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 Calibrated Performance ADXRS622 and Supply Ratiometricity Null Adjustment Self-Test Function Continuous Self-Test Outline Dimensions Ordering Guide Automotive Products