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LJTick-OutBuff

Increases the output current of the DAC outputs on LabJack devices. Can also be used for switched 3.3V when attached to a 3.3V digital I/O line. LabJack devices cannot output more than about 15mA on their DAC0 and DAC1 analog outputs, so this accessory is very helpful for users who want to increase that capability. One common application is to control the speed of a low voltage DC motor.



  • Drives up to 200mA

  • 0-5V output range*


*Max is tied to USB supply voltage, which is 5V nominally.

Details

Details

The LJTick-OutBuff (LJTIB) is an output buffer tick that increases the output current of the DAC outputs on LabJack devices. The LJTick-OutBuff can also be used to increase the output abilities of the devices digital I/O lines by switching 3.3V logic. LabJack devices cannot output more than about 15mA on their DAC0 and DAC1 analog outputs so this accessory is helpful for users who want to increase that capability. One common application is to control the speed of a low voltage DC motor.

  • Drives up to 200mA
  • 0-5V output range*

* Max voltage depends on the supplied VS line which is 5V nominally.

Common Applications

  • Controlling LEDs
  • Generating variable stable excitation voltages
LJTick-OutBuff USB, Ethernet, WiFi Data Acquisition (DAQ) Device output voltage buffer Accessory

Figure 1: LJTick-OutBuff

LJTick-OutBuff with U3-LV USB Data Acquisition (DAQ) and Control Device

Figure 2: LJTick-OutBuff with U3-LV

Screw Terminal Descriptions

VS: This is the same 5 volt output as the VS terminals on the LabJack itself. This is an output terminal, not an input. It can be used to provide 5 volt (nominal) power as needed..

GND: Same as LabJack ground (GND).

OBA/OBB: These output lines are generated by the Op Amp and track what the input voltage

 

LJTick-OutBuff Schematic

Figure 3: LJTick-OutBuff Schematic

 

Specifications

 


  Product Comparison

U12 U3-LV U3-HV U6 U6-Pro UE9 UE9-Pro T7 T7-Pro
AIN Voltage ±10V 0-2.4V ±10V [1] ±10V ±10V ±5V ±5V ±10V ±10V
Analog Inputs 8 16 16 14 14 14 14 14 14
Effective Resolution [2] 12 bit 12 bit 12 bit 16 bit 22 bit 12 bit 20 bit 16 bit 22 bit
Digital I/O 20 20 16 20 20 23 23 23 23
Logic Level 5V 3.3V 3.3V 3.3V 3.3V 3.3V 3.3V 3.3V 3.3V
Analog Outputs 2 2 2 2 2 2 2 2 2
Counters 1 Up to 2 Up to 2 Up to 2 Up to 2 Up to 2 Up to 2 Up to 10 Up to 10
USB Yes Yes Yes Yes Yes Yes Yes Yes Yes
LJTick Compatible No Yes Yes Yes Yes Yes Yes Yes Yes
Internal Temp Sensor No Yes Yes Yes Yes Yes
Yes
Yes Yes
Thermocouple Ready [3] No No No Yes Yes No Yes Yes Yes
Ethernet No No No No No Yes Yes Yes Yes
Scripting No No No No No No No Yes Yes
Wireless No No No No No No No No Yes
Real-time Clock No No No No No No No No Yes
[1] Can be configured for -10V to +20V range.
[2] According to actual measured data, see related Noise and Resolution (App Note)
[3] If not thermocouple ready, can purchase an amplifier like the LJTick-InAmp, see related Thermocouples (App Note)