National Instruments 321906B-01 Transfer Characteristics Channel Amplifier (Unity Gain), Cold-Junction Sensor Channel Amplifier (Unity Gain), Dynamic Characteristics

Appendix A Specifications for NI2501
NI 2501/2503 User Manual A-2
© National Instruments Corporation
Transfer Characteristics
Channel Amplifier (Unity Gain)
Offset Voltage (Differential)..................1.2 mV max
Cold-Junction Sensor Channel Amplifier (Unity Gain)
Offset Voltage
Maximum........................................60 µV
Frequency Bandwidth (50 Ω source, 1 MΩ 25 pF load)
–3 dB...............................................400 KHz
–10 dB.............................................1 MHz
Channel to Channel
Crosstalk/Isolation..................................50 dB
Dynamic Characteristics
Operating Speed
Typical.............................................25,000 cycles/s
Maximum........................................250,000 cycles/s
Settling Time (+5 V to –5 V Step) 6 in. AB connector to PXI-MIO
0.012% Accuracy
With output buffer selected......8.5 µs
Without output buffer...............9.0 µs
0.006% Accuracy
With output buffer selected......10 µs
Without output buffer...............11.5 µs
0.0015% Accuracy
With output buffer selected......16 µs
Without output buffer...............18 µs
Settling Time (+5 V to –5 V Step) 3 m cable to PXI-MIO
0.012% Accuracy
With output buffer selected......21 µs
Without output buffer...............45 µs