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USB-2405

2-CH or 4-CH 24-Bit 128kS/s Dynamic Signal Acquisition USB 2.0 Module

Caratteristiche

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

Manufacturer: Adlink Technology Inc.

Info & Quotations

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
Differential	20 Hz to 46.4 kHz	-89 dB	-88 dB
Pseudodifferential	20 Hz to 20 kHz	-92 dB	-88 dB
Pseudodifferential	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 (f_in)	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

Download

Datasheet

Datasheet USB-2405

Overview

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
Differential	20 Hz to 46.4 kHz	-89 dB	-88 dB
Pseudodifferential	20 Hz to 20 kHz	-92 dB	-88 dB
Pseudodifferential	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 (f_in)	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