
9 |
USB-3210/3220/3230: 125KS/s, continuous, all channels
Timing resolution
10ns
Channel synchronization
No
Range
±10.24 V/±5.12 V/±2.56 V/±1.28 V/±0.64 V
Input coupling mode
DC
Input impedance
500 MΩ
Small signal bandwidth
(-3db
)
450KHz
Input bias current
0.7nA
Analog input max voltage The ground voltage of each input side does not exceed ±12 V
Software FIFO
2 MPts/Ch
Pre-trigger FIFO
4096 Pts
AI capture mode
Continuous acquisition mode and limited number acquisition mode
Analog input accuracy
(with temperature coefficient of
5 ppm/℃)
Range
Gain error
(ppm of reading)
Offset error
(ppm of range)
Random noise
(
μVrms
)
Full range
absolute
accuracy
(
μV
)
±10.24 V
20
10
195
820
±5.12 V
50
15
110
550
±2.56 V
55
30
70
315
±1.28 V
100
60
60
220
±0.64 V
200
120
50
100
Digital I/O
Number of channels
4 input, 4 output
Ground reference
DGND
Digital input pull-up
resistance
10
KΩ
Digital input voltage
High level: 1.95 V ~ 5 V
Low level: 0 V ~ 1.2 V
Digital output voltage
High level: 3.3 V
Low level: 0 v ~ 0.003 V
Digital output
power-on status
Low level