USB-234-OEM User's Guide
Specifications
21
Analog output
Table 3. Analog output specifications
Parameter
Condition
Specification
Resolution
16 bits, 1 in 65,536
Output range
±10 V
Number of channels
2
Update rate
Hardware paced
5 kS/s simultaneous per channel max, hardware-paced
Trigger sources
Software, TRIG
Output current drive
±
5 mA
Short circuit current
±
11 mA
Slew rate
3 V/µs
Output impedance
0.2 Ω
Absolute accuracy (no load)
Typical at full scale
8.6 mV
Maximum over temperature,
full scale
32 mV
INL
±4 LSB
DNL
16 bits no missing codes
Power-on state
0 V
Startup glitch
–7 V for 10 µs
Timebase
The following specifications apply to hardware-paced analog input and analog output sampling accuracy.
Parameter
Specification
Timebase frequency
80 MHz
Timebase accuracy
±
100 ppm
Timing resolution
12.5 ns
Digital input/output
Table 4. Digital I/O specifications
Parameter
Specification
Compatibility
LVTTL, 3.3 V LVCMOS
Number of channels
8 (DIO0 through DIO7)
Configuration
Each bit can be configured as input (power on default) or output
Pull-down resistor
47.5
kΩ
to digital ground (GND).
Absolute maximum voltage
range
–0.3 V to 5 V with respect to digital ground (GND)