Datasheet

INA Out
SW2
-
+
ADC_Diff
RG 49.9k
Amp Out
Vin
SW1
R4 250
VoltageInput
CurrentInput
Iin
Source_Switch
+
+
-
Ref
1
Ref
2
Sen
se
U1 INA159
Vs 5
Vref 2.5
+
+
-
Rg
Rg
Ref
U2 INA826
Vin
Iin
+ Terminal
- Terminal
V1 15
V2 15
+Vs
-Vs
+Vs
-Vs
INA826
SBOS562E –AUGUST 2011–REVISED APRIL 2013 www.ti.com
TINA-TI (FREE DOWNLOAD SOFTWARE)
Using TINA-TI SPICE-Based Analog Simulation Program with the INA826
TINA is a simple, powerful, and easy-to-use circuit simulation program based on a SPICE engine. TINA-TI is a
free, fully functional version of the TINA software, preloaded with a library of macromodels in addition to a range
of both passive and active models. It provides all the conventional dc, transient, and frequency domain analysis
of SPICE as well as additional design capabilities.
Available as a free download from the Analog eLab Design Center, TINA-TI offers extensive post-processing
capability that allows users to format results in a variety of ways.
Virtual instruments offer users the ability to select input waveforms and probe circuit nodes, voltages, and
waveforms, creating a dynamic quick-start tool.
Figure 66 and Figure 68 show example TINA-TI circuits for the INA826 that can be used to develop, modify, and
assess the circuit design for specific applications. Links to download these simulation files are given below.
NOTE: These files require that either the TINA software (from DesignSoft) or TINA-TI software be installed.
Download the free TINA-TI software from the TINA-TI folder.
The circuit in Figure 66 is used to convert inputs of ±10 V, ±5 V, or ±20 mA to an output voltage range from 0.5 V
to 4.5 V. The input selection depends on the settings of SW
1
and SW
2
. Further explanation as well as the TINA-
TI simulation circuit is provided in the compressed file that can be downloaded at the following link: PLC Circuit.
Figure 66. Two Terminal Programmable Logic Controller (PLC) Input
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Product Folder Links: INA826