Data Sheet ADXRS649
Rev. B | Page 3 of 12
SPECIFICATIONS
All minimum and maximum specifications are guaranteed. Typical specifications are not guaranteed.
T
A
= −40°C to +105°C, V
S
= AV
CC
= V
DD
= V
RATIO
= 5 V, angular rate = 0°/sec, bandwidth = 80 Hz (C
OUT
= 0.01 µF), I
OUT
= 100 µA, ±1 g,
unless otherwise noted.
Table 1.
Parameter Test Conditions/Comments Min Typ Max Unit
SENSITIVITY
Clockwise rotation is positive output
Measurement Range
Full-scale range over specifications range ±20,000 °/sec
Initial and over Temperature
−40°C to +105°C 0.08 0.1 0.12 mV/°/sec
Temperature Drift
3
±2 %
Nonlinearity Best fit straight line 0.1 % of FS
NULL BIAS
1
Null Bias −40°C to +105°C 2.4 2.5 2.6 V
Linear Acceleration Effect Any axis 0.1 °/sec/g
Vibration Rectification 40 g rms, 50 Hz to 27 kHz 0.0006 °/sec/g
Rate Noise Density T
= 25°C 0.25 °/sec/√Hz
T
= 105°C 0.4 °/sec/√Hz
Resolution Floor T
= 25°C, 1 minute to 1 hour in-run 200 °/hr
FREQUENCY RESPONSE
Bandwidth
±3 dB user adjustable up to specification 2000 Hz
Sensor Resonant Frequency 15.5 17.5 20 kHz
ST1 RATEOUT Response
ST1 pin from Logic 0 to Logic 1 −1300 °/sec
ST2 RATEOUT Response ST2 pin from Logic 0 to Logic 1 1300 °/sec
ST1 to ST2 Mismatch
5
±2
%
Logic 1 Input Voltage 3.3 V
Logic 0 Input Voltage 1.7 V
Input Impedance To common 40 50 100 kΩ
TEMPERATURE SENSOR
1
V
at 25°C Load = 10 MΩ 2.3 2.4 2.5 V
Scale Factor
T
= 25°C, V
= 5 V 9 mV/°C
Load to V
25 kΩ
Load to Common 25 kΩ
TURN-ON TIME
Power on to ±90% of final output, CP5 = 2.2 nF 3 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
Quiescent Supply Current 3.5 mA
TEMPERATURE RANGE
Specified Performance −40 +105 °C
1
Parameter is linearly ratiometric with V
RATIO
.
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, C
OUT
. 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. V
TEMP
is ratiometric to V
RATIO
. See the Temperature Output and Calibration section for more information.
7
Based on characterization.
