❮ ❯ USB-2405 2-CH or 4-CH 24-Bit 128kS/s Dynamic Signal Acquisition USB 2.0 Module CharacteristicsDownloadTechnical specificationsCharacteristics Hi-Speed USB 2.0 USB bus powered 24-bit Sigma-Delta ADC with built-in anti-aliasing filter 2 or 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 Get a quote DownloadDownloadUSB-2405Technical specificationsTechnical specifications ANALOG INPUT Channels 2 or 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 8kS across all channel Input Configuration Differential or pseudo-differential Input impedance 200 kΩ (between positive input and negative input) 16.93 kΩ (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) DC ACCURACY (25°) Offset Error (mV) Gain Error (%) Typical: ±0.15mV Typical: ±0.15% Max. ±0.3mV Max. ±0.3% AC Dynamic Performance (typical, 25°C)• THD, THD+N (Vin = 8.9 Vpk) Input configuration 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 Pseudodifferential 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 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 (fin) Crosstalk 1 kHz -102 dB 46.4 kHz -95 dB SYSTEM NOISE Mode AI Noise High-Resolution(<52.734kHz) 50μVrms High-Speed Mode (52.734 kHz to 128 kHz) 65μVrms SFDR (Vin = -1 dBFS) Input Signal Frequency (fin) SFDR 1 kHz 104 dB Dynamic Range (Vin = -60 dBFS, fs=102.4kS/s) Input Signal Frequency (fin) Dynamic range 1 kHz 100 dB DIGITAL INPUT / OUTPUT Channels 2 programmable function I/O Compatibility 3.3V / TTL (single-ended) Initial status Input (pull low) Input voltage Logiclow:VIL=0.8Vmax;IIL=0.2mAmax. Logichigh:VIH=2.0Vmin.;IIH=0.2mAmax. Output voltage Logiclow:VOL=0.8Vmax;IIL=0.2mAmax. Logichigh:VOH=2.0Vmin.;IIH=24mAmax. Over-voltage protection -2V ~ +7V Supporting modes Staticdigitalinput/output Pulseoutput,max.frequency:4MHz Eventcounter,max. frequency:4MHz Digital triggerIN SynchronizationsampleclockIN Data Transfer Programmed I/O CharacteristicsDownloadTechnical specifications
