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32-Channel Isolated Analog to Digital Converter PMC Adapter
 

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PDF print version of this specification : A4 or Letter

The 32-Channel Isolated Analog to Digital Converter (ADC) PMC Adapter utilises 8 separate digitally isolated analog to digital converter channels, each with a sample rate of 250 kSps. These channels can each be multiplexed four ways to provide 32 channels at a reduced data rate. A Field-Programmable Gate Array (FPGA) is used to provide access to the digital data over the PCI bus.

Input channel to PMC isolation is 2 500 V RMS.

Block Diagram
Block Diagram of the 32-Channel Isolated Analog to Digital Converter PMC Adapter

Architecture

An FPGA is used to control and read the data from the analog to digital converters and provides the PCI Interface. High-speed digital isolators are used to isolate the system side bus from the analog inputs. Multiplexers are used to increase the total number of differential inputs.

Features
  • high number of analog inputs
  • programmable gain amplifiers
  • Air-Cooled and Conduction-Cooled versions
  • Commercial, Industrial and Ruggedised grades
  • wide range input (-10 V to +10 V)
  • high sample rate of 250 000 samples per second
  • high-speed digital isolation
  • adapter identification switch
  • wide bandwidth (up to 125 kHz)
  • input pin overvoltage protection

Formfactor and Bus Interface IEEE Std 1386.1-2001.
32 bit, 33 MHz
3,3 V PCI signaling, 5 V tolerant
Analog Inputs 8 full speed differential or single-ended inputs (also configurable as 32 reduced performance differential or single-ended inputs
Maximum Sample Rate 250 000 samples/second per channel (full speed)
10 000 samples/second per channel (reduced performance)
Resolution 16 bit
Voltage Isolation 2 500 V RMS (input channel to PMC)
Input Amplifier Programmable gains of 1, 2, 4 and 8 (optional 1, 10, 100 and 1000)
Input Bandwidth Up to 125 kHz (-3 dB)
Power 3,3 V DC at 2,5 A (8,25 Watt); 5 V DC at 0,7 A (3,5 Watt); 12 V at 0,1 A (1,2 Watt)
MTBF Figures according to MIL-HDBK-217F, Parts Stress Method
Commercial and Industrial Grades Ground Benign, Controlled, 25 C 400 000 hours
Ruggedised Grade Ground, Mobile, 45 C
Naval, Sheltered, 40 C
Airborne, Inhabited Cargo, 55 C
110 000 hours
190 000 hours
95 000 hours
Software Drivers Support for Linux.
VxWorks, Windows and others are costed options
Physical Characteristics
Cooling Type Air-Cooled Conduction-Cooled
Dimensions 149 mm x 79 mm 149 mm x 79 mm
Mass 150 g +/- 30 g 210 g +/- 30 g
Environmental Specifications
Grade Commercial Industrial Ruggedised
Temperature
- Operating
- Storage
 
0 C to +55 C
-40 C to +85 C
 
-15 C to +75 C
-40 C to +85 C
 
-40 C to + 85 C
-55 C to +125 C
Humidity 0% - 90% 0% - 95% 0% - 95%
Shock 10 g peak for 11 ms 20 g peak for 11 ms 40 g peak for 11 ms
Vibration
- Sine
- Random

2 g (peak) at 10 Hz to 100 Hz
0,04 g/Hz at 15 Hz to 2 kHz

5 g (peak) at 5 Hz to 2 kHz
0,06 g/Hz at 15 Hz to 2 kHz

10 g (peak) at 5 Hz to 2 kHz
0,1 g/Hz at 15 Hz to 2 kHz
Part Designation Cooling Connector Grade
CCII/ADC/PMC/32C/FP/COM Air Frontpanel Commercial
CCII/ADC/PMC/32C/FP/IND Air Frontpanel Industrial
CCII/ADC/PMC/32C/FP/RGD Air Frontpanel Ruggedised
CCII/ADC/PMC/32C/BP/COM Air Backpanel Commercial
CCII/ADC/PMC/32C/BP/IND Air Backpanel Industrial
CCII/ADC/PMC/32C/BP/RGD Air Backpanel Ruggedised
CCII/ADC/PMC/32C/BP/CC Conduction Backpanel Ruggedised


CADCSS03 Rev. 1.2 2015-06-30
CCII Systems (Pty) Ltd P.O. Box 171 Rondebosch 7701  South Africa 
Telephone : (+27 21) 683 5490 Facsimile : (+27 21) 683 5435 WWW : www.ccii.co.za