KAD/ADC/120 12 channel Full-bridge ADC
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12 channel, Full-bridge ADC (voltage excitation, 3kHz b/w) - 12ch at 12ksps
The KAD/ADC/120 is used to condition and digitize up to twelve D/E analog channels.
At the heart of the KAD/ADC/120 is a hard-wired state-machine that over-samples 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 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.
The KAD/ADC/120 is similar to the KAD/ADC/118 but does not support channel balancing. The KAD/ADC/120 is available with three different input ranges (±10V, ±1V, ±100mV). The input range must be specified when ordering.
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Features
- 112 full or ½-bridge, potentiometer or differential ended input channels
- Ordering Input range (±100mV, ±1V, ±10V)
- High accuracy (max. 0.12% FSR at unity gain)
- Programmable voltage excitation per group of three channels
- High impedance (>10MΩ/50kΩ) when on/off
- Shorts only affect channels sharing excitation
- 16-bit simultaneous sampling on each channel
- Up to 12K samples per second per channel
- Up to 3kHz Bandwidth (AAAF filter)
Applications
- Analog signal Acquisition
- Differential Ended
- Full Bridge
- Half Bridge
- Potentiometer
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