ready-to-use adlink u-test utility u-test is a free ready-to-use testing program allowing configuration and test data acquisition with no programming required. easy out-of-the-box configuration and generation of simple functions , including full data monitoring, logging and fft analysis is easy and fast, with no programming requirement. no programming necessary for operation and full function testing of adlink usb daq/dio i ntuitive interface for data monitoring and logging, waveform generation, and digital i/o control panel use as virtual instrument u seful analysis functions, such as direct cursor measurement of traces and real-time fft analysis d ata exportable to microsoft excel for offline analysis s upports auto-recollection of configura - tion settings for future use 4-ch 24-bit 128ks/s dynamic signal acquisition usb 2.0 module USB-2405 introduction the USB-2405 is a 24-bit high-performance dynamic signal acquisition usb module equipped with 4 analog input channels providing simultaneous sampling at up to 128 ks/s per channel. the USB-2405 also features software-selectable ac or dc coupling input configuration and built-in high precision 2 ma excitation current to measure integrated electronic piezoelectric (iepe) sensors such as accelerometers and micro - phones. the USB-2405 delivers high precision, dc and dynamic measurement performance with very low tem - perature drift. the onboard 24-bit sigma-delta adc supports anti-aliasing filtering, suppressing modulator and signal out-of-band noise and providing usable signal bandwidth of the nyquist rate, making it ideal for high dynamic range signal measurement in vibration and acoustic applications. the USB-2405 supports digital and analog trigger sources and flexible trigger modes, including post, delay, middle, gated, and pre-triggering for efficient data acquisition with no need for post-processing. the usb- 2405 is usb bus-powered and equipped with bnc connectors and removable spring terminals for easy device connectivity. standard shipped accessories ? 4-pin removable spring terminal ? module stand ? 2 m usb type a to usb mini-b cable with lockable connector ? rail-mount kit os information ? windows xp, windows 7/8 x64/x86 software compatibility ? labview, matlab, visual studio.net software recommendations ? u-test, daqbench, daqmaster ready-to-use adlink u-test utility USB-2405 io connector definition features hi-speed usb 2.0 usb bus powered 24-bit sigma-delta adc with built-in anti-aliasing filter 4-ch simultaneous sampling analog inputs, up to 128ks/s ac or dc input coupling, software selectable analog or digital triggering supports 2ma excitation output on each analog input channel for iepe sensor measurement full auto-calibration ready-to-use testing application (u-test) provided ai 3 ai 2 ai 1 ai 0 dgnd gpio 1 gdnd gpio 0
ordering information optional accessories rst-20p one pair of 20-pin removable screw terminals USB-2405 4-ch 24-bit 128ks/s dynamic signal acquisition usb 2.0 module usb-2m-l 2 m usb type a to usb mini-b cable with lockable connector usb daq specifications dc accuracy (25c) offset error (mv) gain error (%) typical: 0.15mv typical: 0.15% max. 0.3mv max. 0.3% ac dynamic performance (typical, 25c) ? thd, thd+n (vin = 8.9 vpk) input configura- tion input signal frequency (fin) thd thd+n differential 20 hz to 20 khz -94 db -91 db 20 hz to 46.4 khz -89 db -88 db pseudo- differen- tial 20 hz to 20 khz -92 db -88 db 20 hz to 46.4 khz -85 db -85 db ? cmrr ac (20 hz to 1 khz) 60 db ? bandwidth -3db bandwidth 0.49 * sampling rate ac cut-off frequency (-3db) 0.4 hz ac cut-off frequency (-0.1db) 2.4 hz i/o connector: four bnc connectors and 4-pin removable spring terminals operating temperature: 0 to 55c (32 to 131?f) storage temperature:-20 to 70c (-4 to 158?f) power requirements: 5v @ 400ma (usb bus powered) dimensions (not including connectors and stand): 115 mm (w) x 150 mm (d) x 40 mm (h) (4.5 x 5.91 x 1.57) relative humidity: 5% to 95%, non-condensing channels 4 (simultaneous sampling) adc resolution 24 bit adc type delta-sigma sampling rate 1 ks/s to 128 ks/s input range 10v fifo buffer size 2k samples per channel input configura- tion differential or pseudo-differential input impedance 200 k? (between positive input and negative input) 16.93 k? (between negative input and chassis ground) input coupling ac or dc, software selectable integrated electronic piezoelectric (iepe) current: 2 ma or 0 ma, software selectable iepe compliance: 24v over-voltage protection 60v input common mode range 10v trigger source analog or digital, software selectable trigger mode post trigger, delay trigger, middle trigger, gated trigger, pre-trigger, post or delay trigger with re-triggering data transfer programmed i/o, continuous (bulk transfer mode) channels 2 programmable function i/o compatibility 3.3v / ttl (single-ended) initial status input (pull low) input voltage logic low: vil = 0.8 v max; iil = 0.2 ma max. logic high: vih = 2.0 v min.; iih = 0.2 ma max. output voltage logic low: vol = 0.8 v max; iil = 0.2 ma max. logic high: voh = 2.0 v min.; iih = 24 ma max. over-voltage protec - tion -2v ~ +7v supporting modes ?static digital input/output ?pulse output, max. frequency: 4 mhz ?frequency/event counter, max. frequency: 4mhz ?digital trigger in ?synchronization sample clock in data transfer programmed i/o analog input general specifications ? flatness input signal frequency (fin) flatness 20 hz to 20 khz 0.01 db 20 hz to 46.4 khz 0.15 db ? crosstalk input signal frequency (f in ) crosstalk 1 khz -102 db 46.4 khz -95 db ? system noise mode ai noise high-resolution (< 52.734 khz) 50vrms high-speed mode (52.734 khz to 128 khz) 65vrms ? sfdr (vin = -1 dbfs) input signal frequency (fin) sfdr 1khz 104 db ? dynamic range (vin = -60 dbfs, fs=102.4ks/s) input signal frequency (fin) dynamic range 1 khz 100 db note: function i/o shares the same i/o pins, such that only one of these modes can be selected at a time. digital input / output updated june 25, 2013. ? 2013 adlink technology, inc. all rights reserved. all specifcations are subject to change without further notice.
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