natus XLTEK EEG32U - Specifications: EEG32 U Amplifier

XLTEK EEG32U Amplifier User and Service Manual
6
Specifications: EEG32U Amplifier
Specification
Value(s)
Analog Specifications Channels
Referential Channels
32
Differential Input Impedance
≥ 100 MOhms
Common Mode Input Impedance
≥ 50 MOhms
Common Mode Rejection Ratio
- 110 dB @ 60 Hz
Channel Bandwidth
0.1 Hz to 400 Hz
Input Noise (peak to peak)
3.0 µV @ 0.1Hz~70 Hz bandwidth
Input Noise (RMS)
0.65 μV @ 0.1Hz~70 Hz bandwidth
EEG Channel Hardware Gain
125
Maximum Differential AC Input Before Clipping
(Referential)
± 20 mV
Maximum Operational DC Input Voltage
Electrode Offset
± 1000 mV
Input Bias Current
≤ 20 pA
Channel Crosstalk
 70 dB
Photic Stim Interface
Photic Stim Output
1 (TTL level, active high)
Photic Stim Input
1 (TTL level, active high)
User Interface
Push Buttons
1 (Impedance Check)
Event Switch Connection
1 on board
LED Indication
68 on board.
Digital Specifications
Sampling Frequency
256, 512 and 1024 Hz
Sampling Resolution - EEG Channels
16 bits
Sampling Quantization - EEG Channels
600 nV