ADLINK USB-2405 - Manual (Page 11)

Introduction 1
USB-2405
1 Introduction
1.1 Overview
The USB-2405 is a 24-bit high-performance dynamic signal acqui-
sition USB module, equipped with 4 simultaneous-sampling ana-
log input channels sampling 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 cur-
rent to measure integrated electronic piezoelectric (IEPE) sensors
such as accelerometers and microphones.
The USB-2405 delivers high precision DC and dynamic measure-
ment performance with very low temperature drift. The onboard
24-bit Sigma-Delta ADC supports anti-aliasing, which suppresses
modulator and signal out-of-band noise and provides usable sig-
nal 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, which acquires data efficiently without post pro-
cessing. The USB-2405 is USB bus powered and equipped with
BNC connectors and removable spring terminals for easy device
connectivity.
1.2 Features
X Hi-Speed USB 2.0
X USB bus powered
X 24-bit Sigma-Delta ADC with built-in anti-aliasing filter
X
4-CH simultaneous sampling analog input, up to 128kS/s
X
AC or DC input coupling, software selectable
X
Analog or digital triggering
X
Supports 2mA excitation output on each analog input chan-
nel for IEPE sensor measurement
X
Full auto-calibration
X
Ready-to-use testing application (U-Test) provided