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USB-2405

2-CH or 4-CH 24-Bit 128kS/s Dynamic Signal Acquisition USB 2.0 Module
Caratteristiche
  1. Hi-Speed USB 2.0
  2. USB bus powered
  3. 24-bit Sigma-Delta ADC with built-in anti-aliasing filter
  4. 2 or 4-ch simultaneous sampling analog inputs, up to 128kS/s
  5. AC or DC input coupling, software selectable
  6. Analog or digital triggering
  7. Supports 2mA excitation output on each analog input channel for IEPE sensor measurement
  8. Full auto-calibration
Manufacturer: Adlink Technology Inc.

 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

 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

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