Datasheet

INA138-Q1, IN168-Q1
www.ti.com SGLS174F –SEPTEMBER 2003–REVISED NOVEMBER 2013
ELECTRICAL CHARACTERISTICS (continued)
TA
= −40°C to 125°C, V
S
= 5 V, V
IN+
= 12 V, and R
OUT
= 125 kΩ unless otherwise noted
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Output
Transconductance V
SENSE
= 10 mV − 150 mV 194 206 μA/V
Transconductance versus V
SENSE
= 100 mV
10 nA/°C
temperature
Nonlinearity error V
SENSE
= 10 mV to 150 mV ±0.01% ±0.2 %
Total output error V
SENSE
= 100 mV ±0.5 ±3.2 %
Output impedance 1 GΩ
5 pF
Voltage output swing to power
(V
+
) − 0.8 (V
+
) − 1.2 V
supply, V
+
Voltage output swing to common
V
CM
− 0.5 V
CM
− 1.2 V
mode, V
CM
Frequency Response
Bandwidth R
OUT
= 5 kΩ 800
kHz
R
OUT
= 125 kΩ 32
Settling time (0.1%) 5-V step R
OUT
= 5 kΩ 1.8
μs
R
OUT
= 125 kΩ 30
Noise
Output-current noise density T
A
= 25°C 9 pA/√Hz
Total output-current noise BW = 100 kHz 3 nA RMS
Power Supply
Operating range, V
+
INA138-Q1 2.7 36
V
INA168-Q1 2.7 60
Quiescent current V
SENSE
= 0, IO = 0 25 60 μA
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