GX3788 Specification

Digital I/O Channels
Logic Families
LVTTL, LVDS, configurable for 1.2 / 2.5 / 3.3 V logic; 5 V compatible, programmable per pin via the FPGA.
Current
±12.0 mA, max. Programmable per pin via the FPGA.
Input Leakage Current
±10 µA.
Power on State
Default is disconnected at power on (unprogrammed FPGA) or defined by FPGA program.
Number of Channels
32 Differential digital I/O lines.
64 Single-ended digital I/O lines.
FIFO Depth
4096 Samples.
Maximum FIFO Clock Rate
10 MHz.
Clock Sources
PXI triggers, Ext Trigger, Star X, PXI Clk10, PXI Clk100 (Express version), DSTAR (Express version), Local bus.
Protection
Overvoltage: -0.5 V to 7.0 V (input).
Short circuit: up to 8 outputs may be shorted at a time.
Analog Input Channels
Number of Channels
8 differential or 16 single-ended.
Sample Rate
(Using Gx3788AnalogInScanXXX() APIs and list of channels)
1 Hz to 75000 Hz Samples per second.
Sample Rate Accuracy
1 Hz to 20,000 Hz: ± 0.5%.
20,000 Hz to 50,000 Hz = ± 1.5%.
50,000 Hz to 75,000 Hz = ± 3.0%.
Bus Transfer Modes
DMA, Interrupt, Register I/O.
Resolution
16-bits.
Input Voltage Ranges (FS VDC)

±13.60V (uses the gain value for the 10.24 VDC range).

±10.24 V.

±5.12 V.

±2.56 V.

±1.28 V.

±0.64 V.
Accuracy
±13.60V Range: ±7.50mV.
±10.24V Range: ±6.50mV.
±5.12V Range: ±4.50mV.
±2.56V Range: ±4.0 mV.
± 1.28V Range: ±2.0 mV.
± 0.64V Range: ±1.0 mV.  
Input Impedance
500 M ohms.
Analog BW (3 dB)
8 MHz.
Over Voltage Protection
± 24V.
CMRR, DC to 60 Hz
90 dB.
Channel to Channel Crosstalk
-120 dB (adj. ch.), Fin = 10 KHz.
Triggering
Trigger in / Trigger out (FPGA controlled).
Analog Output Channels
Number of Channels
8.
Conversion Rate
1 MS/s (simultaneous).
Resolution
16-bits.
Output Accuracy
± 6.0 mV.
Output Range
± 10 V.
Output Drive Current
3 mA.
Short Circuit Current
8 mA.
Output Slew Rate
6 V/us.
Timing Sources
PXI Bus
10 MHz.
Internal
80 MHz oscillator, ±20 ppm.
FPGA and Memory
FPGA Type
Intel/Altera Stratix III, EP3SL50F780.
Number of PLLs
Four.
Logic Elements
47.5 K.
Internal Memory
1.836 Mb.
On-Board Memory
256 K x 32 SSRAM.
On-Board Flash
16 MB.
Power
3.3 VDC
3.6 A (typ); 4.9 A (max).
5 VDC
0.045 A (max).
User 3.3 V (@ J1, J2 connector)
1 A, max.
User 5 V (@ J3, J4 connector)
1 A, max.
Environmental
Operating Temperature
0 °C to +50 °C.
Storage Temperature
-20 °C to +70 °C.
Operational Shock
30G, ½ sine, 11 ms pulse.
Vibration (operating)
2G @ 500 Hz.
Relative Humidity (operating)
5% to 80% RH, non-condensing.
Dew point -5°C - 20°C.
Relative Humidity (non-operating)
5% to 95% RH, non-condensing 30°C max.
Altitude (operating)
Up to 2000 M.
CE Compliance
EN61010-1.
EN61326.
Size
3U PXI.
Weight
200 g.
Calibration Interval
1 year.