Specifications

Typical at 25 °C unless otherwise noted.

Analog Input

Absolute accuracy, single-ended

Number of channels............................

8 single-ended/4 differential

Type of ADC ........................................

Successive approximation

ADC resolution (bits)

Maximum sampling rate (system dependent)

Input range, single-ended...................

±10 V

Input range, differential......................

±20, ±10, ±5, ±4, ±2.5, ±2,

±1.25, ±1 V

Maximum working voltage .................

±10 V

Overvoltage protection .......................

±35 V

FIFO buffer size ...................................

512 B

Timing resolution ................................

41.67 ns (24 MHz timebase)

Timing accuracy ..................................

100 ppm of actual sample rate

Input impedance .................................

144 k

Ω

Trigger source......................................

Software or external digital trigger

System noise.......................................

Analog Output

Absolute accuracy (no load) ...............

7 mV typical, 36.4 mV maximum

at full scale

Number of channels............................

2

Type of DAC ........................................

Successive approximation

DAC resolution ....................................

12 bits

Maximum update rate ........................

150 Hz, software-timed

Output range .......................................

0 to +5 V

Output impedance...............................

50

Ω

Output current drive............................

5 mA

Power-on state....................................

0 V

Slew rate.............................................

1 V/µs

Short-circuit current ............................

50 mA

Digital I/O

Number of channels............................

12 total

8 (P0.<0..7>)

4 (P1.<0..3>)

Direction control .................................

Each channel individually

programmable as input or output

Output driver type

USB-6008 ........................................

Open-drain

USB-6009 ........................................

Each channel individually

programmable as push-pull or

open-drain

Compatibility .......................................

CMOS, TTL, LVTTL

Internal pull-up resistor ......................

4.7 k

Ω to +5 V

Power-on state....................................

Input (high impedance)

Absolute maximum voltage range......

-0.5 to +5.8 V

Digital logic levels

Counter

Number of counters ............................

1

Resolution ...........................................

32 bits

Counter measurements.......................

Edge counting (falling edge)

Pull-up resistor ....................................

4.7 k

Ω to 5 V

Maximum input frequency..................

5 MHz

Minimum high pulse width.................

100 ns

Minimum low pulse width..................

100 ns

Input high voltage ...............................

2.0 V

Input low voltage ................................

0.8 V

Power available at I/O connector

+5 V output (200 mA maximum) .........

+5 V typical

+4.85 V minimum

+2.5 V output (1 mA maximum) ..........

+2.5 V typical

+2.5 V output accuracy .......................

0.25% max

Voltage reference temperature drift...

50 ppm/°C max

Low-Cost, Bus-Powered Multifunction DAQ for USB – 12- or 14-Bit, up to 48 kS/s, 8 Analog Inputs

3

BUY ONLINE at ni.com or CALL 800 813 3693 (U.S.)

Module

Differential

Single-Ended

USB-6008

12

11

USB-6009

14

13

Range

Typical at 25 ˚C (mV)

Maximum (0 to 55 ˚C) (mV)

±10

14.7

138

Module

Maximum Sampling Rate (kS/s)

USB-6008

10

USB-6009

48

Level

Min

Max

Units

Input low voltage

-0.3

0.8

V

Input high voltage

2.0

5.8

V

Input leakage current

–

50

µA

Output low voltage (I = 8.5 mA)

–

0.8

V

Output high voltage (push-pull, I = -8.5 mA)

2.0

3.5

V

Output high voltage (open-drain, I = -0.6 mA, nominal)

2.0

5.0

V

Output high voltage (open-drain, I = -8.5 mA,

with external pull-up resistor)

2.0

–

V

Range

Typical at 25 ˚C (mV)

Maximum (0 to 55 ˚C) (mV)

±20

14.7

138

±10

7.73

84.8

±5

4.28

58.4

±4

3.59

53.1

±2.5

2.56

45.1

±2

2.21

42.5

±1.25

1.70

38.9

±1

1.53

37.5