Dbk12 – specifications, Dbk13 – specifications – Measurement Computing DBK12 User Manual
Page 5

DBK Option Cards and Modules
879895
DBK12 and DBK13, pg. 5
DBK12 – Specifications
Name/Function: Analog Multiplexing Card (Low Gain)
Output Connector: DB37 male, mates with P1
Input Connector: Screw terminals
Gain Ranges: ×1, ×2, ×4, ×8
Inputs: 16 differential or single-ended
(switch selectable as a group)
Voltage Range: 0 to ±5 VDC bipolar; 0 to 10 V unipolar
Input Impedance: 100 M
Ω (in parallel with switched 150 pF)
Gain Accuracy: ±0.05% typ, ±0.25% max
Maximum Input Voltage: ±35 VDC
Slew Rate: 20 V/µs typ, 10 V/µs min
Settling Time: 2 µs to 0.01%
CMRR: 80 dB min
Non-Linearity: 0.002% typ, 0.015% max
Bias Current: 150 pA, 0.2 µA max
Offset Voltage: ±(0.5 + 5/G) mV typ; ±(2.0 + 24/G) mV max
Offset Drift: ±(3 + 50/G) µV/°C typ; ±(2.0 + 24/G) µV/°C max
DBK13 – Specifications
Name/Function: Analog Multiplexing Card (High Gain)
Output Connector: DB37 male, mates with P1
Input Connector: Screw terminals
Gain Ranges: ×1, ×10, ×100, ×1000
Inputs: 16 differential or single-ended (switch selectable as a group)
Voltage Range: 0 to ±5 VDC bipolar; 0 to 10 V unipolar
Input Impedance: 100 M
Ω (in parallel with switched 150 pF)
Gain Accuracy:
±0.05% typ @ G < 1000
±0.25% max @ G < 1000
±0.10% typ @ G = 1000
±100% max @ G = 1000
Maximum Input Voltage: ±35 VDC
Slew Rate: 20V/µs typ, 10V/µs min
Settling Time:
2 µs to 0.01% @ G < 1000
10 µs to 0.01% @ G = 1000
CMRR: 80 dB @ G=1 min
86 dB @ G=10 min
92 dB @ G=100 min
94 dB @ G=1000 min
Non-Linearity:
0.002% typ @ G < 1000
0.015% max @ G < 1000
0.02% typ @ G = 1000
0.06% max @ G = 1000
Bias Current: 150 pA typ; 0.2 µA @ 25ºC max
Offset Voltage: ±(0.5 + 5/G) mV @ 25ºC typ;
±(2.0 + 24/G) mV @ 25ºC max
Offset Drift: ±(3 + 50/G) µV/ºC typ; ±(12 + 240/G) µV/ºC max