Datasheet

· -4.2V V| |
CM
10
CMRR_dB
20
(
(
1
(VIO) + (VIO_CM)
2 2
· 100
VIO_Total
V
SENSE
(Error_VIO) + (Error_Gain) + (Error_Lin)
2 2 2
· -4.2V V| |
CM
10
CMRR_dB
20
(
(
1
(VIO) + (VIO_CM)
2 2
· 100
VIO_Total
V
SENSE
(Error_VIO) + (Error_Gain) + (Error_Lin)
2 2 2
INA216
www.ti.com SBOS503C –JUNE 2010– REVISED NOVEMBER 2011
Example 1
Conditions: INA216A3; V
CM
= V
S
= 3.3V; V
SENSE
= 20mV
Table 1. Example 1
TERM LABEL EQUATION TYPICAL MAXIMUM
Maximum initial input
VIO — 20μV 75μV
offset voltage
Added input offset
voltage as result of
VIO_CM 3.6μV 28μV
common-mode
voltage
Total input offset
VIO_Total 20μV 80μV
voltage
Error because of
Error_VIO 0.1% 0.4%
input offset voltage
Gain error Error_Gain — 0.06% 0.2%
Nonlinearity error Error_Lin — 0.01% 0.01%
Total error 0.12% 0.45%
Example 2
Conditions: INA216A1; V
CM
= V
S
= 5V; V
SENSE
= 160mV
Table 2. Example 2
TERM LABEL EQUATION TYPICAL MAXIMUM
Maximum initial input
VIO — 30μV 100μV
offset voltage
Added input offset
voltage as result of
VIO_CM 3.1μV 25.2μV
common-mode
voltage
Total input offset
VIO_Total 30μV 100μV
voltage
Error because of
Error_VIO 0.02% 0.06%
input offset voltage
Gain error Error_Gain — 0.01% 0.2%
Nonlinearity error Error_Lin — 0.01% 0.01%
Total error 0.025% 0.21%
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