User manual
DBK Option Cards and Modules  879895  DBK17, pg. 5 
DBK17 – Specifications 
Name/Function: Simultaneous Sample-Hold Card 
Number of Channels: 4 
Input Connections: 4 BNC connectors, 4 screw-terminal sets 
Output Connector: DB37 male, which mates with P1 using CA-37-x 
cable 
Number of Cards Addressable: 64 
Input Type: Differential 
Voltage Input Ranges: 
0 to ±5000 mVDC 
0 to ±500 mVDC 
0 to ±50 mVDC 
0 to ±25 mVDC 
0 to ±10 mVDC 
Input Amplifier Slew Rate: 12 V/µs minimum 
Acquisition Time: 
  0.6 µs (10 V excursion to 0.1%) 
  0.7 µs (10 V excursion to 0.01%) 
Channel-to-Channel Aperture Uncertainty: 50 ns 
Output Droop Rate: 0.1 µV/µs 
Input Gains: ×1, ×10, ×100, ×200, ×500 & User-Set 
Input Offset Voltage: 500 µV + 5000/G maximum 
(nullable) 
Input Offset Drift: ±5 + 100/G µV/°C maximum 
Input Bias Current: 100 pA maximum 
Input Offset Currents: 50 pA maximum 
Input Impedance: 5 × 10
12
 parallel with 6 pF 
Switchable Bias Resistors: 100 KΩ 
(each to analog common) 
Gain Errors: 
  0.04% @ ×1 
  0.1% @ ×10 
  0.2% @ ×100 
  0.4% @ ×200 
  1.0% @ ×500 
Gain vs Temperature: 
  ×1 @ ±20 ppm/°C 
  ×10 @ ±20 ppm/°C 
  ×100 @ ±40 ppm/°C 
  ×200 @ ±60 ppm/°C 
  ×500 @ ±100 ppm/°C 
Non-Linearity: 
  ×1 to ±0.015% full-scale 
  ×10 to ±0.015% full-scale 
  ×100 to ±0.025% full-scale 
  ×200 to ±0.025% full-scale 
  ×500 to ±0.045% full-scale 
Common-Mode Rejection Ratio 
(CMRR): 
  70 dB minimum @ ×1 
  87 dB minimum @ ×10 
  100 dB minimum @ ×100 
100 dB minimum @ ×200 
100 dB minimum @ ×500 










