ADXRS645
High Temperature, Vibration Rejecting ±2000°/sec Gyroscope
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Features
- Innovative ceramic vertical mount package can be oriented for pitch or roll rate response
- Wide temperature range: −40°C to +175°C
- Long life: guaranteed 1000 hours at TA = 175°C
- High vibration rejection over wide frequency
- 10,000 g powered shock survivability
- Ratiometric to referenced supply
- 5 V single-supply operation
- Self-test on digital command
- Temperature sensor output
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The output signal, RATEOUT, is a voltage proportional to the angular rate about the axis normal to the package lid. The measurement range is a minimum of ±2000°/sec, and may be extended to ±5000°/sec with the addition of a single external resistor. The output is ratiometric with respect to a provided reference supply. Other external capacitors are required for operation.
A temperature output is provided for compensation techniques. Two digital self-test inputs electromechanically excite the sensor to test proper operation of both the sensor and the signal conditioning circuits. The ADXRS645 is available in a 8 mm × 9 mm × 3 mm, 15-lead brazed lead tri in-line package.
APPLICATIONS
- Down hole measurements for geological exploration
- Extreme high temperature industrial applications
- Severe mechanical environments
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ADXRS645
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| Part Model | Pin/Package Drawing | Documentation | CAD Symbols, Footprints, and 3D Models |
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| ADXRS645HDYZ |
15-Lead Ceramic DIP Vertical Form
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- ADXRS645HDYZ
- Pin/Package Drawing
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15-Lead Ceramic DIP Vertical Form
- Documentation
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Material Declaration
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SamacSys
Evaluation Kits 1
EVAL-ADXRS645
ADXRS645 Evaluation Board
Product Detail
The EVAL-ADXRS645Z is a simple, compact breakout board that facilitates quick performance evaluation of the high temperature ADXRS645 ±2000°/sec analog output single-axis rate gyroscope. Use this evaluation board to evaluate performance on the bench, over temperature, and to facilitate system integration.
The EVAL-ADXRS645Z has two sets of 5-lead, 0.1 inch pin spaced plated through holes that make electrical connections between the ADXRS645 and the existing system. The EVAL- ADXRS645Z also provides four mounting holes for mechanical attachment of the board to the application.
The dimensions of the EVAL-ADXRS645Z are 1.275 inch × 1.275 inch (32.38 mm × 32.38 mm) with two sets of mounting holes. The outer set of holes is 0.15 inch (3.81 mm) in diameter and arranged in a 1.0 inch × 1.0 inch (25.4 mm × 25.4 mm) square around the center of the printed circuit board (PCB).
All parts in the Bill of Materials section (including polyimide laminate PCB) are rated for high temperature, 175°C, for short duration testing at elevated temperatures. The assembly has not been qualified for extended use at high temperatures.
The schematic and board layout, as well as the board itself, indicate the pin names for easy identification. For additional information on the pin functions, refer to the ADXRS645 data sheet.
R2 is a solder link jumper that connects VRATIO to the VCC input (see Figure 2) on the board. R2 is installed by default and must be removed if a separate VRATIO is desired.
A resistor can be installed in the R1 footprint to extend the measurement range of the device. Refer to the ADXRS645 data sheet for more information on this feature.
