Hardware Specifications

Analog input

Number of channels	4
Voltage range	±10 V
Bit depth	16 bits
Max. sampling rate	300 kHz¹⁾
Max. sustained throughput	300 kS/s²⁾
Broadband noise	0.09 mV typ.³⁾
DC offset	± 1 mV typ.
Gain error	± 0.02% typ.

Notes

1. All channels simultaneous.

2. Potentially limited by other USB activity.

3. RMS, measured over 10 Hz to 10 kHz.

Analog output

Number of channels	4
Voltage range	±10 V
Bit depth	16 bits
Max. sampling rate	300 kHz¹⁾
Broadband noise	0.05 mV typ.²⁾
DC offset	± 1 mV typ.
Gain error	± 0.02% typ.
Max waveform memory	80,000 samples³⁾

Notes

1. All channels simultaneous

2. RMS, measured over 10 Hz to 10 kHz.

3. All channels combined.

Digital input

Number of lines	4
Nominal levels	0 / 5 V (“TTL”)¹⁾
Low level input	< 0.9 V²⁾
High level input	> 2.1 V³⁾

1. Also compatible with 3V logic.

2. Recommended. In practice, voltages up to ~1.5 V are recognized as “low”.

3. Recommended. In practice, voltages from ~1.7 V are recognized as “high”.

Digital output

Number of lines	4
Nominal levels	0 / 5 V (“TTL”)
Output current	± 5 mA
Low level output	< 0.1 V¹⁾
High level output	> 4.4 V²⁾

1. At 20 µA current. Max. 0.33 V at 5 mA current.

2. At –20 µA current. Min. 3.84 V at –5 mA current.