USB-6008/6009 User Guide and Specifications 18 ni.com
Specifications
The following specifications are typical at 25 °C, unless otherwise noted.

Analog Input

Converter type........................................Successive approximation
Analog inputs..........................................8 single-ended, 4 differential,
software selectable
Input resolution
USB-6008........................................12 bits differential,
11 bits single-ended
USB-6009........................................14 bits differential,
13 bits single-ended
Max sampling rate1
Single channel
USB-6008.................................10 kS/s
USB-6009.................................48 kS/s
Multiple channels (aggregate)
USB-6008.................................10 kS/s
USB-6009.................................42 kS/s
AI FIFO..................................................512 bytes
Timing resolution...................................41.67 ns (24 MHz timebase)
Timing accuracy.....................................100 ppm of actual sample rate
Input range
Single-ended....................................±10 V
Differential......................................±20 V, ±10 V, ±5 V, ±4 V,
±2.5V, ±2 V, ±1.25 V, ±1 V
Working voltage.....................................±10 V
Input impedance.....................................144 k
Overvoltage protection...........................±35
1 Might be system dependent.