10 ks/s, 12-bit, 8-ch multifunction daq usb module 48 ks/s, 14-bit, 8-ch multifunction daq usb module rohs compliant 2002/95/ec usb-4702 usb-4704 introduction usb-4702/4704 are low-cost usb data acquisition modules. you no longer need to open the chassis to install daq modules. just plug in the module, then get the data. its easy to use and effcient. reliable and rugged enough for industrial applications, yet affordable for home projects, usb-4702/4704 are the perfect way to add measurement and control capability to any usb capable computer. it obtains all required power from the usb port, so no external power connection is ever required. with the features of usb-4702/4704, they are your most cost effective choice of lab or production line test & measurement tool. ? supports usb 2.0 ? portable ? bus-powered ? 8 analog input channels ? 12-bit (usb-4702), 14-bit (usb-4704) resolution ai ? sampling rates up to 10 ks/s (usb-4702), 48 ks/s (usb-4704) ? 8-ch di/8-ch do, 2-ch ao and one 32-bit counter specifcations analog input ? channels 8 single-ended/4 differential (software programmable) ? resolution usb-4702: single-ended: 11 bits differential: 12 bits sub-4704: single-ended: 13 bits differential: 14 bits ? max. sampling rate usb-4702: 10 ks/s max. usb-4704: 48 ks/s max. note: the sampling rate for each channels will be affected by used channel number. for example, if 4 channels of usb-4702 are used, the sampling rate is 10k/4 = 2.5 ks/s per channel. ? fifo size 512 samples ? overvoltage protection 30 vp-p ? input impedance 127 k? ? sampling modes software, onboard programmable pacer, and external ? input range (v, software programmable) & absolute accuracy single ended 10 n/a n/a n/a n/a n/a n/a n/a n/a differential n/a 1 1.25 2 2.5 4 5 10 20 absolute accuracy (% of fsr)* usb- 4702 0.2 0.15 0.15 0.15 0.15 0.15 0.15 0.15 0.15 usb- 4704 0.15 0.1 0.1 0.1 0.1 0.1 0.1 0.15 0.15 *: 1 lsb is added as the derivative for absolute accuracy analog output ? channels 2 ? resolution 12 bits ? output rate static update ? output range (v, software programmable) 0~5 ? slew rate 0.7 v/s ? driving capability 5 ma ? output impedance 51 ? ? operation mode single output ? accuracy relative: 12 lsb differential non-linearity: 5 lsb digital input ? channels 8 ? compatibility 3.3 v/5 v/ttl ? input voltage logic 0: 0.8 v max. logic 1: 2.0 v min. digital output ? channels 8 ? compatibility ttl ? output voltage logic 0: 0.4 v max.@ 4 ma (sink) logic 1: 3.5 v min.@ 4 ma (source) counter ? channels 1 ? resolution 32 bits ? compatibility 3.3 v/ttl ? max. input frequency 5 mhz general ? bus type usb 2.0 ? i/o connector usb-4702: 1 x db37 female connector usb-4704: onboard screw terminal ? dimensions (l x w) usb-4702: 70 x 70 mm (2.76" x 2.76") usb-4704: 132 x 80 x 32 mm (5.2" x 3.15" x 1.26") ? power consumption typical: 5 v @ 100 ma max.: 5 v @ 500 ma ? operating temperature 0 ~ 55c (32 ~ 131f) ? storage temperature -20 ~ 70c (-4 ~ 158f) ? storage humidity 5 ~ 95% rh non-condensing ordering information ? USB-4702-AE 10 ks/s, 12-bit, 8-ch multi. usb module ? usb-4704-ae 48 ks/s, 14-bit, 8-ch multi. usb module accessories ? pcl-10137-1e db37 cable, 1m ? pcl-10137-2e db37 cable, 2m ? pcl-10137-3e db37 cable, 3m ? adam-3937-be db37 din-rail wiring board ? 1960004544 wallmount bracket ? 1960005788 vesa mount bracket usb-4704 usb-4702 all product specifications are subject to change without notice last updated : 5-may-2015 www.advantech.com/products online download features
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