2-7 www.adlinktech.com 8/16-ch 16-bit 250 ks/s multi-function usb daq modules USB-1901/1902/1903 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 eclk nc nc gpo3 gpo2 gpo1 gpo0 dgnd agnd *ao1 *ao0 agnd ai7(ail3) ai6(aih3) ai5(ail2) ai4(aih2) ai3(ail1) ai2 (aih1) ai1 (ail0) ai0(aih0) aotg* aitg gpi7 gpi6 gpi5 gpi4 gpi3 gpi2 gpi1 gpi0 dgnd aise ai15(ail7) ai14(aih7) ai13(ail6) ai12(aih6) ai11(ail5) ai10(aih5) ai9(ail4) ai8(aih4) USB-1901/1902 * not available for USB-1901 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 eclk nc nc gpo3 gpo2 gpo1 gpo0 dgnd agnd ao1 ao0 agnd ci3- ci3+ ci2- ci2+ ci1- ci1+ ci0- ci0+ aotg aitg gpi7 gpi6 gpi5 gpi4 gpi3 gpi2 gpi1 gpi0 dgnd aise ci7- ci7+ ci6- ci6+ ci5- ci5+ ci4- ci4+ usb-1903 introduction 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-to- voltage 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. pin assignment standard shipped accessories ordering information optional accessories ? one pair of 20-pin removable screw terminals ? module stand ? 2 m usb type a to usb mini-b cable with lockable connector ? rail-mount kit rst-20p one pair of 20-pin removable screw terminals USB-1901 16-ch 16-bit 250ks/s analog input usb daq usb-1902 16-ch 16-bit 250ks/s multi-function usb daq usb-1903 8-ch 16-bit current input multi-function usb daq usb-2m-l 2 m usb type a to usb mini-b cable with lockable connector features 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 free testing application included (u-test) operating systems ? windows 7/vista/xp driver support ? ud-dask for vb.net/vc.net/vb/vc++/bcb/delphi ? daqpilot for labview? ? daq-mtlb for matlab ?
2-8 www.adlinktech.com optional accessories resolution number of channels maximum sampling rate (single channel) programmable gain input range (voltage) input range (current) offset error gain error -3db small signal bandwidth (gain=1) cmrr (gain=1) sfdr (gain=1) sinad (gain=1) thd (gain=1) snr (gain=1) enob (gain=1) fifo buffer size trigger sources trigger mode external conversion source input coupling overvoltage protection input impedance data transfer number of channels resolution maximum update rate output range offset error gain error inl dnl output driving capacity slew rate settling time (0.1% of full scale) rising time falling time fifo output mode mode* digital i/o general timer/counter pulse generation interface i/o connector operating temperature storage temperature relative humidity power requirements dimensions model name analog input analog output function i/o general specifications note: the function i/o share the same i/o pins. only one of these modes can be selected. 16-bit 16 se / 8 pseudo-diff, voltage input 8 current inputs 250 ks/s(multiplexing, channel-gain-queue) 1, 5, 10, 50 1 10 v, 2 v, 1 v, 200 mv n/a n/a 0-20 ma 0.1 mv (gain=1) 0.01 ma (typical) 0.05% of fsr (gain=1) 0.05% of fsr (typical) 600 khz 90 db - 108 db - 89 db - 102 db - 89 db - 14.5-bit - 4 k samples software, external digital, analog trigger ( from one of analog input channels) post trigger, delay trigger, retrigger, gate trigger yes (up to 250 ks/s) dc continuous 24 v high impedance > 1 g 249.5 (input resistor) programmed i/o, continuous (usb bulk transfer mode) n/a 2 voltage outputs - 16-bit - 1 ms/s (simultaneous update) - 10 v - 0.15 mv - 0.05% of fsr - 1 lsb - < 1 lsb 5 ma - 2.2 v/s - 26 s - 6 s - 6 s - 10 k samples (2-ch sharing) - programmed i/o, continuous (usb bulk transfer mode) digital i/o, general timer/counter, pulse generation 8 di / 4 do (ttl level) two 32-bit, base clock: 80 mhz, external to 10 mhz two pwm outputs (modulation frequency: 0.01 hz to 5 mhz; duty cycle: 1%-99%) usb 2.0 high speed, mini-usb connector two 20-pin screw terminals 0 to 55c -20 to 70c 5 to 95% non-condensing 5v@400 ma (usb bus powered) Q 114 mm (h) x 156.5 mm (l) x 41.3 mm (w) (4.5 x 6.16 x 1.63 in.) (without connector and stand) usb daq USB-1901 usb-1902 usb-1903 specifications updated 03-28, 2012. ? 2012 adlink technology, inc. all rights reserved. all specifcations are subject to change without further notice.
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