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All products and company names listed are trademarks or trade names of their respective companies.

Updated Feb. 11, 2020. ©2020 ADLINK Technology, Inc. All Rights Reserved.

All specifications are subject to change without further notice.

• Bandwidth

• Flatness

• Crosstalk

• System noise

• SFDR (Vin = -1 dBFS)

• Dynamic Range (Vin = -60 dBFS, fs=102.4kS/s)

Digital Input / Output

Note: Function I/O shares the same I/O pins, such that only one of these modes

can be selected at a time.

General Specifications

●

I/O connector: Two or four BNC connectors and 4-pin removable

spring terminals

●

Operating temperature: 0 to 55°C (32 to 131˚F)

●

Storage temperature:-20 to 70°C (-4 to 158˚F)

●

Power requirements: 5V @ 400mA (USB bus powered)

●

Dimensions (not including stand):

114 mm (W) x 167.5 mm (D) x 41.3 mm (H) (4.5” x 6.6” x 1.63”)

●

Relative humidity: 5% to 95%, non-condensing

Specifications

Analog Input

●

DC accuracy (25°C)

●

AC Dynamic Performance (typical, 25°C)

• THD, THD+N (Vin = 8.9 Vpk)

• CMRR

Product Illustration

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)

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

protection

-2V ~ +7V

Supporting modes

• Static digital input/output

• Pulse output, max. frequency:4 MHz

• Event counter, max.

frequency: 4MHz

• Digital trigger IN

• Synchronization sample clock IN

Data Transfer

Programmed I/O

Offset Error (mV)

Gain Error (%)

Typical: ±0.15mV

Typical: ±0.15%

Max. ±0.3mV

Max. ±0.3%

-3dB bandwidth

0.49 * sampling rate

AC cut-off frequency (-3dB)

0.4 Hz

AC cut-off frequency (-0.1dB)

2.4 Hz

Input Signal Frequency (fin)

Flatness

20 Hz to 20 kHz

±0.01 dB

20 Hz to 46.4 kHz

±0.15 dB

Input Signal Frequency (f

Crosstalk

1 kHz

-102 dB

46.4 kHz

-95 dB

Input Signal Frequency (fin)

SFDR

1 kHz

104 dB

Input Signal Frequency (fin)

Dynamic range

1 kHz

100 dB

Mode

AI Noise

High-Resolution (< 52.734 kHz)

50μVrms

High-Speed Mode

(52.734 kHz to 128 kHz)

65μVrms

AC (20 Hz to 1 kHz)

60 dB

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

AI 3

AI 2

AI 1

AI 1

AI 0

AI 0

DGND

DGND

GPIO 1

GPIO 1

GDND

GDND

GPIO 0

GPIO 0

USB-2405/S

USB-2405/2AI