New OEM Variable Capacitance Accelerometer.
A rugged, stable DC responding accelerometer with
fast warm-up. The 7594 is the latest development from
the highly successful 7290 family of DC responding
variable capacitance accelerometers.
It utilises Endevco's patented unique variable capacitance
micro-sensor chip with the latest CMOS signal conditioning
electronics. It is available in ranges of 2g, 10g, 30g & 100g
full scale and provides a high level, low-impedance full scale
output of ±1.75V pk. A reference voltage output is provided
to allow either a single-ended or pseudo-differential output.
A temperature output is available for applications where accurate
temperature corrected acceleration data is required.
The frequency response is controlled by the near-critically damped
sensor. The use of gas damping results in very small thermally
induced changes of frequency response. Warm-up time to within
1% of final output value is <10 msec.
The 7594 operates from 5Vdc. The ceramic base, hermetically
sealed package is designed for adhesive mounting. The electrical
connections being made via solderable or wire bondable pads.
Hermetic sealing ensures long life and stability. As with all 7290
series accelerometers, the 7594 is extremely rugged and capable
of withstanding high shock levels without damage or changes to
its characteristics. The 7594 is 15.9mm x 15.9mm x 3.8 mm high
and weighs 1.6 gm.
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