USB-1901/1902/1903 8/16-ch 16-bit 250 kS/s Multi-Function USB DAQ Modules Features USB 2.0 high-speed USB bus powered 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 Removable screw terminal on module Lockable USB cable for secure connectivity Ready-to-use testing application (U-Test) provided Introduction Standard Shipped Accessories The ADLINK USB-1900 series provides a range of USB 2.0-based One pair of 20-pin removable screw terminals multi-functional DAQ modules. The USB-1901 and USB-1902 16-bit 2m USB Type A to USB Mini-B cable with lockable connector 250 kS/s USB 2.0-based high-performance DAQ modules allow Module stand four different voltage input ranges, while the USB-1903 features Rail-mount kit additional built-in precision current-tovoltage resistors capable of direct measurement of current signal from 0 to 20 mA. Optional Accessories The USB-1900 series is USB bus powered and equipped with RST-20P removable screw-down terminals for easy device connectivity. The attached multi-functional stand can be used for desktop, rail, or One pair of 20-pin removable wall mounting. Suitable for mixed-signal tests, laboratory research, screw terminals and factory automation, the USB-1900 series provide a simple USB-2M-L measurement solution at an affordable price. 2 M USB Type A to USB Mini-B cable with lockable connector Supported Operating System Pin Assignment Windows 7/10, Linux USB-1901/1902 USB-1903 ECLK 20 40 AOTG* ECLK 20 40 AOTG Driver and SDK NC 19 39 AITG NC 19 39 AITG 18 38 18 38 NC GPI7 NC GPI7 LabVIEW, C/C++, Visual Studio.NET, MATLAB GPO3 17 37 GPI6 GPO3 17 37 GPI6 GPO2 16 36 GPI5 GPO2 16 36 GPI5 15 35 15 35 GPO1 GPI4 GPO1 GPI4 Software Utility GPO0 14 34 GPI3 GPO0 14 34 GPI3 DGND 13 33 GPI2 DGND 13 33 GPI2 U-Test 12 32 12 32 AGND GPI1 AGND GPI1 *AO1 11 31 GPI0 AO1 11 31 GPI0 10 30 10 30 *AO0 DGND AO0 DGND Ordering Information AGND 9 29 AISE AGND 9 29 AISE AI7(AIL3) 8 28 AI15(AIL7) CI3- 8 28 CI7- USB-1901 7 27 7 27 AI6(AIH3) AI14(AIH7) CI3+ CI7+ 16-ch 16-bit 250kS/s Analog Input USB DAQ AI5(AIL2) 6 26 AI13(AIL6) CI2- 6 26 CI6- USB-1902 AI4(AIH2) 5 25 AI12(AIH6) CI2+ 5 25 CI6+ 4 24 4 24 AI3(AIL1) AI11(AIL5) CI1- CI5- 16-ch 16-bit 250kS/s Multi-Function USB DAQ AI2 (AIH1) 3 23 AI10(AIH5) CI1+ 3 23 CI5+ USB-1903 AI1 (AIL0) 2 22 AI9(AIL4) CI0- 2 22 CI4- 8-ch 16-bit Current Input Multi-Function USB DAQ 1 21 1 21 AI0(AIH0) AI8(AIH4) CI0+ CI4+ * Not available for USB-1901Specifications USB-1901 USB-1902 USB-1903 Model Name Analog Input Resolution 16-bit Number of channels 16 SE / 8 Pseudo-diff, voltage input 8 Current inputs Maximum sampling rate 250 kS/s(Multiplexing, channel-gain-queue) (single channel) Programmable gain 1, 5, 10, 50 1 Input range (Voltage) 10 V, 2 V, 1 V, 200 mV N/A Input range (Current) N/A 0-20 mA Offset error 0.1 mV (gain=1) 0.01 mA (typical) Gain error 0.05% of FSR (gain=1) 0.05% of FSR (typical) -3dB small signal 600 kHz - bandwidth (gain=1) 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 4 k samples Trigger sources Software, 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 Continuous 24 V Input impedance High impedance > 1 G 249.5 (input resistor) Data transfer Programmed I/O, continuous (USB bulk transfer mode) Analog Output Number of channels N/A 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/s Settling time - 26 s (0.1% of Full scale) Rising time - 6 s Falling time - 6 s FIFO - 10 k samples (2-ch sharing) Output mode - Programmed I/O, continuous (USB bulk transfer mode) Function I/O Mode* Digital I/O, general timer/counter, pulse generation Digital I/O 8 DI / 4 DO (TTL level) General timer/counter Two 32-bit, base clock: 80 MHz, external to 10 MHz Pulse generation Two PWM outputs (Modulation frequency: 0.01 Hz to 5 MHz Duty cycle: 1%-99%) General Specifications Interface USB 2.0 high speed, mini-USB connector I/O connector Two 20-pin screw terminals Operating temperature 0 to 55C (32F to 131F) Storage temperature -20 to 70C (-4F to 158F) Relative humidity 5 to 95% non-condensing Power requirements 5V 400 mA (USB bus powered) 114 mm (H) x 156.5 mm (L) x 41.3 mm (W) (4.5 x 6.16 x 1.63) Dimensions (without connector and stand) Note: The function I/O share the same I/O pins. Only one of these modes can be selected. www.adlinktech.com All products and company names listed are trademarks or trade names of their respective companies. Updated Dec. 17, 2019. 2019 ADLINK Technology, Inc. All Rights Reserved. All specifications are subject to change without further notice.