USB-1408FS-Plus-OEM User's Guide
Specifications
20
Accuracy
Table 2. Accuracy, differential mode
Range
Absolute Accuracy 25 °C (±mV)
Absolute Accuracy 0 °C to 50°C (±mV)
±20 V
10.98
49.08
±10 V
7.32
33.42
±5 V
3.66
20.76
±4 V
2.92
19.02
±2.5 V
1.83
14.97
±2 V
1.70
14.29
±1.25 V
1.21
12.18
±1 V
1.09
11.63
Table 3. Accuracy, single-ended mode
Range
Absolute Accuracy 25 °C (±mV)
Absolute Accuracy 0 °C to 50 °C (±mV)
±10 V
10.98
49.08
Noise performance
Table 4. Noise performance, differential mode
Range
Typical counts
Least significant bit
root mean square
(LSB
rms
)
±20 V
8
1.21
±10 V
8
1.21
±5 V
9
1.36
±4 V
10
1.51
±2.5 V
12
1.81
±2 V
14
2.12
±1.25 V
18
2.72
±1 V
22
3.33
Table 5. Noise performance, single-ended mode
Range
Typical Counts
LSB
rms
±10 V
8.0
1.21
Analog output
Table 6. Analog output specifications
Parameter
Condition
Specification
Resolution
12-bits, 1 in 4,096
Output range
0 V to 5.0 V
Number of channels
2
Throughput (Note 5)
Software paced
250 S/s single channel typ, PC dependent
Hardware paced, per channel
50 kS/s max
Power on and reset voltage
0 V, ±20 mV typ; initializes to 000h code
Output drive
Each D/A OUT
5 mA, sourcing
Slew rate
0.8 V/ µs typ
Note 5:
Maximum throughput when scanning is machine dependent.