Analog Inputs

• Resolution: 16-bits (1/65536 of full scale). No missing codes guaranteed
• Number of Channels: 8 differential or 16 single-ended Inputs.
• Maximum Sampling Rate: 200,000 Samples Per Second
• Input Type: True differential or single-ended, jumper selectable.
• Input Ranges: Unipolar or Bipolar, jumper selectable.
  • Bipolar: ±10V, ±5V, ±2.5V, ±1.25V.
  • Unipolar: 0 to 10V, 0 to 5V, 0 to 2.5V, 0 to 1.25V.
• Input Sensitivity: 19 microvolts
• Noise Characteristics: Gaussian behavior with maximum peak-to-peak internal noise of less than 1.5-LSB RMS over all input ranges and operating temperatures (1.2-LSB RMS typical). Jumper selectable 16-point moving average filter drops noise to less than 1-LSB RMS over all input ranges and operating temperatures (0.6-LSB RMS typical).
• DC Drift or Zero Drift: ±2ppm/oC, ±1.5ppm/oC typical
• Input Bias Current: 50nA maximum
• Absolute Maximum Input Voltage: ±35V
• Common Mode Voltage Range: ±10V
• Common Mode Rejection Ratio: 70dB at 60Hz
• Integral Linearity Error: ±1.5 LSB (±3 LSB on 1.25V range)
• Differential Linearity: ±1 LSB
• Accuracy: 0.003% of reading, ±1 LSB
• Gain Drift: ±7ppm/°C
• Trigger Sources: Programmable internal 32-bit counter/timer, external source (DI0/TRIG) or software polled. External input will accept GPS PPS output.
• Trigger Modes: Gated pacer, software polled. (Gate must be disabled by software after trigger event)
• Data Transfer: From 1 mega-sample FIFO via interrupt, DMA or software

NOTE: Least Significant Bit (LSB). 

Analog Outputs ( Without Analog Outputs, see STX104-ND ) 

• Resolution: 16 bits
• Number of Channels: 2
• Output Ranges: ±10V, ±5V, 0-5V, 0-10V. Maximum current to 5 milliamps per channel. Each channel independently configurable by jumpers.
• Offset Error: less than 8 LSB
• Gain Error: Adjustable to 0 LSB by potentiometer
• Differential non-linearity: ±1 LSB max
• Settle Time: 10 microseconds
• Integral non-linearity: ±1 LSB max
• Monotonicity Guaranteed

Digital Input/Outputs

• Number of Inputs: 4 TTL compatible
• Input Voltage: Logic 0: 0.0V min, 0.8V max; Logic 1: 2.0V min, 5.5V max
• Input Current: ± 1uA max
• Number of Outputs: 4 TTL compatible
• Output Voltage: Logic 0: 0.0V min, 0.4V max; Logic 1: 2.4V min, 3.3V max.
• Output Current: ±12mA per line max

Counter/Timers

• Analog Input Pacer Timer: 32-bit Analog Input Frame Timer or legacy 32-bit down counter (2 82C54 counters cascaded)
• Clock Source Jumper selectable: 40MHz (25nS) or legacy 1 MHz or 10 MHz on-board clock source jumper select for 8254.
• General Purpose: 16-bit down counter: (1 82C54 counter)
• Interrupt/DMA Trigger: End of analog input conversion

General

• Operating temperature range: -40 to +85°C
• Storage temperature range: -55 to +125°C
• Factory Calibration: Full NIST Traceable
• Humidity: 0 to 95% non-condensing
• Power Supply: 5VDC ± 5% at less than 350mA
• Interface: PC/104 8- or 16-bit data paths