KAD/ADC/126 Accelerometer ADC (current excitation, programmable analog gain, 25 kHz b/w) - 4 channels at 100 ksps
The KAD/ADC/126 is used to condition and digitize up to four Single-ended (S/E) analog channels. All of these channels have a constant current source and high-pass (DC-reject) filter for use with integrated charge-amp piezoelectric (ICP) accelerometer devices.
At the heart of the KAD/ADC/126 is a hard-wired state machine that over-samples all channels at a rate between 200 ksps and 400 ksps and digitally filters any noise above the user-programmable cutoff frequency.
This is achieved using cascaded, half-band, Finite-Impulse-Response (FIR) filters followed by an 8th order Butterworth IIR filter with a default cutoff point set at one quarter of the sampling frequency (fc = fs/4).
All signals are sampled simultaneously (isochronously). Thus, when several channels are sampled at different sampling rates, at the start of an acquisition cycle all channels will be aligned.
- REQUEST A QUOTE
- Four accelerometer input channels with DC-reject
- Constant current source excitation per channel (3.6 mA typical)
- Simultaneous sampling 16-bit A/D for each channel
- Gain error of 0.1% FSR typical at 10 kHz
- Programmable input range per channel
- 8th order Butterworth filter with programmable cutoff frequency per channel
- Up to 100,000 samples per second per channel
- Up to 25 kHz bandwidth
- Enhanced mechanical strength between motherboard and daughterboard
- Accelerometer signal conditioning and digitalization
- Suitable for ICP, Isotron, Piezotron and Deltatron sensors
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