Data Acquisition USB-1901/1902/1903
The ADLINK USB-1900 series provides a range of USB 2.0-based multi-functional DAQ modules. The USB-1901 and USB-1902 16-bit 250 kS/s USB 2.0-based high-performance DAQ modules allow four different voltage input ranges, while the USB-1903 features additional built-in precision current-tovoltage resistors capable of direct measurement of current signal from 0 to 20 mA. The USB-1900 series is USB bus powered and equipped with removable screw-down terminals for easy device connectivity. The attached multi-functional stand can be used for desktop, rail, or wall mounting. Suitable for mixed-signal tests, laboratory research, and factory automation, the USB-1900 series provide a simple measurement solution at an affordable price.
- USB 2.0 high-speed function, USB bus power
- Removable screw-down terminal module
- Lockable USB cable for secure connectivity
- 16-CH 250 kS/s voltage input (USB-1901/1902); 8-CH 250 kS/s current input (USB-1903)
- 2-CH 1 MS/s voltage output (USB-1902/1903)
- Analog and Digital triggering
- Ready-to-use testing application (U-Test) provided
- Supported Operating System: Windows 7/10 x64/x86, Linux
Include: USB-1901/1902/1903, one pair of 20-pin removable screw, 2 M USB Type A to USB Mini-B, Module stand, Rail-mount kit
Specifications
| Model name | USB-1901 | USB-1902 | USB-1903 |
| Analog Input | |||
| Resolution | 16 bit | ||
| Number of channels | 16 SE/ 8 Pseudo-diff, voltage input | 8 Current Inputs | |
| Maximum sampling rate (single channel) | 250kS/s (Multiplexing, channel-gain-queue) | ||
| Programmable gain | 1,5,10,50 | 1 | |
| Input range (Voltage) | ±10V, ±2V, ±1V, ±200mV | N/A | |
| Input range (Current) | N/A | 0-20 mA | |
| Offset error | ±0.1mV (gain =1) | ±0.01mV (typical) | |
| Gain error | ±0.05% FSR (gain =1 ) | ±0.05% FSR (typical) | |
| -3dB small signal bandwidth (gain=1) |
600 kHz | – | |
| CMRR (gain=1) | 90 dB | – | |
| SFDR (gain =1) | 108 dB | – | |
| SINAD (gain =1) | 89 dB | – | |
| THD (gain =1) | 102 dB | – | |
| SNR (gain =1) | 89 dB | – | |
| ENOB (gain =1) | 14.5 – bit | – | |
| FIFO buffer size | 4K samples | ||
| Trigger sourses | Soft ware, external digital, analog trigger (from one of analog input channels) | ||
| Trigger mode | Post trigger, delay trigger, retrigger, gate trigger | ||
| External conversion source | Yes (up to 250 kS/s) | ||
| Input coupling | DC | ||
| Overvoltage protection | ±24V | ||
| Input impedance | High impedance > 1GΩ | 249.5 Ω (input resistor) | |
| Data transfer | Programmed I/O, continuous (USB bulk transfer mode) | ||
| Analog output | |||
| Number of channels | – | 2 voltage outputs | |
| Resolution | – | 16 bit | |
| Maximum update rate | – | 1 MS/s (simultaneous update) | |
| Output range | – | ± 10 V | |
| Offset error | – | ± 0.15 mV | |
| Gain error | – | ± 0.05% of FSR | |
| INL | – | ≤ 1 LSB | |
| DNL | – | < 1 LSB | |
| Output driving capacity | – | ± 5 mA | |
| Slew rate | – | 2.2 V/μs | |
| Setting time (0.1% of full scale) | – | 26 μs | |
| Rising time | – | 6 μs | |
| Falling time | – | 6 μs | |
| FIFO | – | 10 k samples (2-ch sharing) | |
| Output mode | – | Programmed I/O, continuous (USB bulk transfer mode) | |
| Function IO | |||
| Mode | Digital I/O, general timer/counter, pulse generation | ||
| Digital I/O | 8DI/4DO (TTL level) | ||
| General timer/counter | Two 32-bit, base clock: 80 MHz, external 10 MHz | ||
| Pulse generation | 2 PWM (Modulation: 0,01 Hz to 5 MHz; Duty cycle 1% -99%) | ||
| General Speccifications | |||
| Interface | USB 2.0 high speed, mini-USB connector | ||
| IO connector | Two 20-pin screw terminals | ||
| Operating temperature | 0 to 55℃ (32˚F to131˚F) | ||
| Storage temperature | -20 to70°C (-4˚F to 158˚F) | ||
| Relative humidity | 5 to 95% non-condensing | ||
| Power requirements | 5V@400 mA (USB bus power) | ||
| Dimensons | 114 mm (H) x 156.5 mm (L) x 41.3 mm (W) (4.5” x 6.16” x 1.63”)
(without connector and stand) |
||
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