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TS-C-AD142

Dual 300KSPS 14-bit 2x4-Channel ADC Transient Capture DAQ PC Card

Description

The AD142 is designed to provide a simple method of performing waveform capture in vibration analysis applications.  The card has two synchronously clocked 14-bit A-to-D converters and two current sources that are tailored to power piezo electric accelerometers.  Using built in triggering facilities it is possible to capture transients and one-time events.

Technical Features

Dual 14-bit 294KSample/s successive approximation A-to-D  converters clocked synchronously for phase sensitive measurements on two channels.  The sample rates are programmable for continuous sampling as well as allowing conversions under host software control.
Dual 4-channel fault protect input mux, with channel scanning logic, arranged so with 4 channels per ADC.
Input ranges of +/-2.5V as standard with external link / resistor settable gains allowing input ranges of +/-5.0V (link) down to +/-millivolts (with external resistors).  Each ADC's channel can be set to a different gain.
Dual 3.8mA current sources are provided with voltage compliance from -5V to +22V.  Internal DC blocking capacitors can be used for channels A1 and B1 to allow direct connection of 2 piezo electric accelerometers or other current powered transducers.  Current sources can be disabled from software.
A-to-D data flows into a large 2x 16KSample FIFO on-card.  The FIFO can be run in continuous streaming mode (throughput is PC speed dependent) but can also serve as a capture buffer for triggered acquisitions. This is similar to a digital storage oscilloscope, with level and edge triggering against a digital 8-bit threshold in hardware, and programmable pre or post triggering to allow waveform capture before/after a trigger event.  These features are seldom found in PC Card DAQ solutions, making this card unique in its class.
A digital trigger input is also provided to allow burst acquisition to be triggered by an external event or process.
8 general purpose digital I/O lines are available for control and status monitoring, each being programmable as input or output and having TTL compatible input thresholds, and CMOS type output drive capability.
Power is available at the edge connector for signal conditioning, powering sensors etc.
Card comes with Elan's Card Center Pro software with kernel driver and data handling module, plus a top level Win32 GUI with source code to act as a starting point for your own development.  Full hardware register data is provided to allow exact tailoring for bespoke applications.
Drivers for DOS, Win9x, Me, NT4, 2000, XP. (DOS support requires Card and Socket Services e.g. SystemSoft or Award).
Automatic O.S. recognition and configuration.  Hot swappable PCMCIA 2.1+ compliant TypeII design.
Power consumption: Typical 290mA at 5V fully active, with support for reduced power sleep mode of typ. 20mA at 5V under host application software control.
Input mux channels can withstand voltages up to +/-35V with the card powered or not.
Supplied with 1m Type31 cable.  Connector latches into PC Card for security. Terminates to DB37 Female with male screw jacks.  Custom cabling available on request to set different gains and / or to offer dual coax to BNC connection or similar for connection to accelerometers.
Can be fitted with a unique Strain Relief Assembly to ruggedize the PC Card to cable connection (optional extra), product code "TSRA1-DAQ".

Ordering Information

TS-C-AD142 Dual 300KSPS 14-bit 2x4-Channel ADC Transient Capture DAQ PC Card Pricing And Online Ordering At www.TeamPCTechnology.com  Search For:  ad142

Accessories

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