Datasheet

+
+
INA216DIP
INA216EVM
V
O
UT
GND
C
1
R
3
R
4
V
I
N-
V
IN+
V
DIFF
V
CM
www.ti.com Quick Start Setup and Use
2.2 Measurement Without Shunt
This connection method allows the user to either simulate the voltage developed across a sense resistor
based on a given set of system conditions, or to connect the INA216EVM remotely to an existing shunt
already included in an example application. Figure 3 illustrates a measurement configuration without a
shunt.
To configure a measurement evaluation without a shunt, follow these procedures.
1. Connect a differential voltage to the V
IN+
and V
IN–
terminals of T1. The INA216 can only accept positive
differential signals, so the V
IN+
terminal should always be larger than the V
IN–
terminal or the output will
be saturated into the lower rail.
2. Measure the output voltage at the V
OUT
terminal of T2.
Figure 3. Measurement without Shunt
NOTE: The output voltage is equal to the gain of the device multiplied by the differential voltage
measured directly at the device input pins.
5
SBOU086– August 2011 INA216EVM
Submit Documentation Feedback
Copyright © 2011, Texas Instruments Incorporated