2-8

www.adlinktech.com

Optional Accessories

Resolution

Number of channels

Maximum sampling rate (single channel)

Programmable gain

Input range (Voltage)

Input range (Current)

Offset error

Gain error

-3dB small signal bandwidth (gain=1)

CMRR (gain=1)

SFDR (gain=1)

SINAD (gain=1)

THD (gain=1)

SNR (gain=1)

ENOB (gain=1)

FIFO buffer size

Trigger sources

Trigger mode

External conversion source

Input coupling

Overvoltage protection

Input impedance

Data transfer

Number of channels

Resolution

Maximum update rate

Output range

Offset error

Gain error

INL

DNL

Output driving capacity

Slew rate

Settling time (0.1% of Full scale)

Rising time

Falling time

FIFO

Output mode

Mode*

Digital I/O

General timer/counter

Pulse generation

Interface

I/O connector

Operating temperature

Storage temperature

Relative humidity

Power requirements

Dimensions

Model Name

Analog Input

Analog Output

Function I/O

General Specifications

Note: The function I/O share the same I/O pins. Only one of these modes can be selected.

16-bit

16 SE / 8 Pseudo-diff, voltage input

8 Current inputs

250 kS/s(Multiplexing, channel-gain-queue)

1, 5, 10, 50

1

± 10 V, ± 2 V, ± 1 V, ± 200 mV

N/A

N/A

0-20 mA

± 0.1 mV (gain=1)

±0.01 mA (typical)

± 0.05% of FSR (gain=1)

±0.05% of FSR (typical)

600 kHz

90 dB

-

108 dB

-

89 dB

-

102 dB

-

89 dB

-

14.5-bit

-

4 k samples

Software, external digital, analog trigger ( from one of analog input channels)

Post trigger, delay trigger, retrigger, gate trigger

Yes (up to 250 kS/s)

DC

Continuous ± 24 V

High impedance > 1 GΩ

249.5 Ω (input resistor)

Programmed I/O, continuous (USB bulk transfer mode)

N/A

2 voltage outputs

-

16-bit

-

1 MS/s (simultaneous update)

-

± 10 V

-

± 0.15 mV

-

± 0.05% of FSR

-

1 LSB

-

< 1 LSB

± 5 mA

-

2.2 V/μs

-

26 μs

-

6 μs

-

6 μs

-

10 k samples (2-CH sharing)

-

Programmed I/O, continuous (USB bulk transfer mode)

Digital I/O, general timer/counter, pulse generation

8 DI / 4 DO (TTL level)

Two 32-bit, base clock: 80 MHz, external to 10 MHz

Two PWM outputs (Modulation frequency: 0.01 Hz to 5 MHz; Duty cycle: 1%-99%)

USB 2.0 high speed, mini-USB connector

Two 20-pin screw terminals

0 to 55°C

-20 to 70°C

5 to 95% non-condensing

5V@400 mA (USB bus powered)

≦

114 mm (H) x 156.5 mm (L) x 41.3 mm (W) (4.5 x 6.16 x 1.63 in.)

(without connector and stand)

USB DAQ

USB-1901

USB-1902

USB-1903

Specifications

Updated 03-28, 2012. ©2012 ADLINK Technology, Inc. All Rights Reserved. All specifications are subject to change without further notice.