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ADIS16100 Schematic ( PDF Datasheet ) - Analog Devices

Teilenummer ADIS16100
Beschreibung Yaw Rate Gyro
Hersteller Analog Devices
Logo Analog Devices Logo 




Gesamt 16 Seiten
ADIS16100 Datasheet, Funktion
www.DataSheet4U.com
FEATURES
Complete angular rate gyroscope
Z-axis (yaw rate) response
SPI® digital output interface
High vibration rejection over wide frequency
2000 g powered shock survivability
Externally controlled self test
Internal temperature sensor output
Dual auxiliary 12-bit ADC inputs
Absolute rate output for precision applications
5 V single-supply operation
8.2 mm × 8.2 mm × 5.2 mm package
APPLICATIONS
Platform stabilization
Image stabilization
Guidance and control
Inertial measurement units
±300°/sec Yaw Rate Gyro
with SPI Interface
ADIS16100
GENERAL DESCRIPTION
The ADIS16100 is a complete angular rate sensor (gyroscope)
that uses the Analog Devices surface-micromachining process
to make a functionally complete angular rate sensor with an
integrated serial peripheral interface (SPI).
The digital data available at the SPI port is proportional to the
angular rate about the axis normal to the top surface of the
package (see Figure 19). A single external resistor can be used to
increase the measurement range. An external capacitor can be
used to lower the bandwidth.
Access to an internal temperature sensor measurement is
provided, through the SPI, for compensation techniques.
Two pins are available to the user to input analog signals for
digitization. An additional output pin provides a precision
voltage reference. Two digital self-test inputs electro-
mechanically excite the sensor to test operation of the
sensor and the signal conditioning circuits.
The ADIS16100 is available in an 8.2 mm × 8.2 mm × 5.2 mm,
16-terminal, peripheral land grid array (LGA) package.
FUNCTIONAL BLOCK DIAGRAM
FILT
COUT
RATE
ADIS16100
±300°/s
GYROSCOPE
TEMP
SENSOR
MUX/ADC
4-CHANNE L
SPI
VREF
REF
COM
ST1 ST2
VCC
VDRIVE
+5V +3V TO +5V
Figure 1.
SCLK
DIN
CS
DOUT
AIN2
AIN1
Rev. A
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
©2006 Analog Devices, Inc. All rights reserved.






ADIS16100 Datasheet, Funktion
www.DataSheet4U.com
ADIS16100
ABSOLUTE MAXIMUM RATINGS
Table 4.
Parameter
Rating
Acceleration (Any Axis, Unpowered, 0.5 ms)
Acceleration (Any Axis, Powered, 0.5 ms)
2000 g
2000 g
+VCC to COM
+VDRIVE to COM
Analog Input Voltage to COM
Digital Input Voltage to COM
Digital Output Voltage to COM
STx Input Voltage to COM
Operating Temperature Range
Storage Temperature Range
−0.3 V to +6.0 V
−0.3 V to VCC + 0.3 V
−0.3 V to VCC + 0.3 V
−0.3 V to +7.0 V
−0.3 V to VCC + 0.3 V
−0.3 V to VCC + 0.3 V
−40°C to +85°C
−65°C to +150°C
Stresses above those listed under the Absolute Maximum
Ratings may cause permanent damage to the device. This is a
stress rating only; functional operation of the device at these or
any other conditions above those indicated in the operational
section of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect
device reliability.
Drops onto hard surfaces can cause shocks of greater than
2000 g and exceed the absolute maximum rating of the device.
Care should be exercised in handling to avoid damage.
ESD CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on
the human body and test equipment and can discharge without detection. Although this product features
proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy
electrostatic discharges. Therefore, proper ESD precautions are recommended to avoid performance
degradation or loss of functionality.
Rev. A | Page 6 of 16

6 Page









ADIS16100 pdf, datenblatt
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ADIS16100
CONTROL REGISTER
The control register on the ADIS16100 is a 12-bit, write-only
register. Data is loaded from the DIN pin on the falling edge of
SCLK. The data is transferred on the DIN line at the same time
that the conversion result is read from the part. The data
transferred on the DIN line dictates the configuration for the
next conversion. This requires 16 serial clocks for every data
transfer. Only the information provided on the first 12 falling
clock edges (after CS falling edge) is loaded to the control
register.
MSB denotes the first bit in the data stream. Table 8 shows the
analog input channel selection options.
Table 6. Channel Selection
ADD1
ADD0
Analog Input Channel
0 0 Gyroscope
0 1 Temperature sensor
1 0 AIN1 input
1 1 AIN2 input
Table 7. The DIN Bit Stream
MSB (11)
WRITE LOW DONTC
DONTC
ADD1
ADD0
HIGH HIGH
DONTC
DONTC
LOW
LSB (0)
CODING
Table 8. Analog Input Channel Selection Options
Bit Mnemonic Comment
11 WRITE
The value written to this bit of the control register determines whether the following 11 bits are loaded to the
control register or not. If this bit is a 1, the following 11 bits are written to the control register. If it is a 0, the
remaining 11 bits are not loaded to the control register, and it remains unchanged.
10 LOW
This bit should be held low.
9, 8 DONTC
Don’t care.
7, 6 ADD1, ADD0 These two address bits are loaded at the end of the present conversion sequence and select which analog input
channel is to be converted in the next serial transfer. The selected input channel is decoded as shown in Table 6.
The address bits corresponding to the conversion result are output on DOUT prior to the 12 bits of data. The next
channel to be converted is selected by the mux on the 14th SCLK falling edge.
5, 4 HIGH
These pins should be held high.
3, 2 DONTC
1 LOW
0 CODING
Don’t care.
This bit should be held low.
This bit selects the type of output coding used for the conversion result. If this bit is set to 0, the output coding for
the part is twos complement. If this bit is set to 1, the output coding from the part is straight binary (for the next
conversion).
Rev. A | Page 12 of 16

12 Page





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