The USB-2020 data acquisition (DAQ) device
The USB-2020 data acquisition (DAQ) device provides simultaneous, high-speed analog inputs at rates up to 20 MS/s per channel. Users can sample data directly to the 64 MS onboard memory or continuously stream data to a host computer. Features include an A/D converter per channel, flexible triggering and gating options, and digital I/O.
Each channel has its own A/D converter for simultaneous sampling to eliminate channel skew and ensure phase information between channels is maintained.
Flexible triggering and gating ensures data is acquired when needed. The clock I/O input allows acquisitions to be controlled by the onboard clock or by an external clock source for applications that require user-supplied pacing.
The board provides signal connections through four standard BNC connectors and a 40-pin auxiliary connector.
Features
- Two 20 MS/s simultaneous sampling analog inputs
- 12-bit resolution
- 64 mega sample onboard memory
- 40 MS/s overall rate to onboard memory when acquiring from both channels
- 8 MS/s throughput to host PC
- Analog and digital triggering and gating
- Internal or external pacing of analog scans
- Eight digital I/O lines
- BNC and 40-pin header for signal connections
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| ANALOG INPUT | ||
| CHANNELS | RESOLUTION | MAX SAMPLE RATE |
| 2 | 12-bit | 20 MS/s/ch |
| SAMPLING | RANGES | ISOLATION |
| Simultaneous | ±10 V, ±5 V, ±2 V, ±1 V | — |
| ANALOG OUTPUT | ||
| CHANNELS | RESOLUTION | SPEED |
| — | — | — |
| DIGITAL I/O | ||
| CHANNELS | COUNTER/TIMERS | ENCODER |
| 8 | — | — |
| SOFTWARE | POWER | |
| OS SUPPORT | DRIVERS | POWER |
| Windows® and Linux® | Universal Library™ SW Suite | External |












