The KAD/ADC/114 is used to condition and digitize up to 16 differential-ended analog channels. At the heart is a hard-wired state-machine.
Features
- 16 full or ½bridge, potentiometer or differential ended input channels
- Ordering input range (±100mV, ±1V,±10V)
- High accuracy (0.01% FSR typical for /1V, /10V variant, 0.02% FSR for /100mV variant)
- Programmable voltage excitation per two channels and balance adjust per channel
- Shorts only affect channels sharing excitation
- 16-bit simultaneous sampling on each channel
- Up to 12 k samples per second per channel
- Up to 3 kHz Bandwidth (AAAF filter)
Applications
- Analog signal Acquisition Differential Ended
- Full Bridge
- Half Bridge
- Potentiometer
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KAD/ADC/114 16 channel Full-bridge ADC
The KAD/ADC/114 is used to condition and digitize up to 16 differential-ended analog channels. At the heart of the KAD/ADC/114 is a hard-wired state machine that oversamples all channels at a rate between 48 ksps and 96 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 Infinite-Impulse-Response (IIR) filter with a default cutoff point set at one-quarter of the sampling frequency (fc = fs / 4). All signals are sampled simultaneously. Thus, when several channels are sampled at different sampling rates, at the start of an acquisition cycle all channels are aligned.
Excitation on the KAD/ADC/114 is programmable using four D/A converters, each of which is connected to two pairs of drivers. If more than eight excitations are required, each excitation output can be connected to two bridges.
The KAD/ADC/114 is available with three different input ranges (±10V, ±1V, and ±100mV). The input range must be specified when ordering.
Aerospace Instrumentation Brochure
Modern aerospace instrumentation systems can be highly complex, and it can be difficult to know how to meet program needs. It’s not unusual for requirements to change during a campaign and cause significant delays, and data must be captured reliably no matter what – otherwise expensive additional flights will be needed or months of program data could be lost. Read our brochure to learn how you can reduce your risk with commercial off-the-shelf (COTS) solutions.