ADXRS652
ADXRS652 is +-250 /sec Yaw Rate Gyro manufactured by Analog Devices.
FEATURES plete rate gyroscope on a single chip Z-axis (yaw rate) response High vibration rejection over wide frequency 2000 g powered shock survivability Ratiometric to referenced supply 5 V single-supply operation
- 40°C to +105°C operation Self-test on digital mand Ultrasmall and light (<0.15 cc, <0.5 gram) Temperature sensor output Ro HS pliant
APPLICATIONS
Industrial applications Inertial measurement units Platform stabilization
GENERAL DESCRIPTION
The ADXRS652 is a plete angular rate sensor (gyroscope) that uses the Analog Devices, Inc., surface-micromachining process to make a functionally plete and low cost angular rate sensor integrated with all of the required electronics on one chip. The manufacturing technique for this device is a patented high volume Bi MOS process with years of proven field reliability.
The ADXRS652 is an industrial grade gyroscope that is 100% pin, package, temperature, and function patible to the related automotive grade ADXRS620 and ADXRS622 gyroscopes. Automotive grade gyroscopes have more guaranteed minimum/maximum specifications due to automotive testing.
The output signal, RATEOUT (1B, 2A), is a voltage proportional to angular rate about the axis normal to the top surface of the package. The output is ratiometric with respect to a provided reference supply. An external capacitor is used to set the bandwidth. Other external capacitors are required for operation.
A temperature output is provided for pensation techniques. Two digital self-test inputs electromechanically excite the sensor to test proper operation of both the sensor and the signal conditioning circuits. The ADXRS652 is available in a 7 mm × 7 mm × 3 mm BGA chip-scale package.
FUNCTIONAL BLOCK DIAGRAM
5V (ADC REF)
100n F
5V AVCC
100n F AGND
ST2 ST1 SELF-TEST
DRIVE AMP
MECHANICAL SENSOR
TEMP VRATIO
25kΩ 25kΩ @ 25°C
AC AMP
DEMOD
5V VDD
100n F
PGND
CHARGE PUMP AND VOLTAGE REGULATOR
180kΩ ±1%
CP1 CP2 CP3 CP4 CP5 SUMJ
RATEOUT
22n F
22n F
100n F...