Datasheet

INA139-Q1
INA169-Q1
www.ti.com SGLS185E –SEPTEMBER 2003–REVISED MAY 2011
ELECTRICAL CHARACTERISTICS
T
A
= −40°C to 125°C, V
S
= 5 V, V
IN+
= 12 V, and R
OUT
= 25 kΩ unless otherwise noted
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
INPUT
Full-scale sense voltage V
SENSE
= V
IN+
− V
IN−
100 500 mV
Common-mode input range (V
IN+
) INA139 2.7 40 V
INA169 2.7 60
V
IN+
= 2.7 V to 40 V,
INA139 100 115 dB
V
SENSE
= 50 mV
Common-mode rejection
V
IN+
= 2.7 V to 60 V,
INA169 100 120
V
SENSE
= 50 mV
Offset voltage
(1)
RTI ±0.2 ±2 mV
Offset voltage vs temperature 1 μV/°C
V
IN+
= 2.7 V to 40 V, INA139
0.5 10
V
SENSE
= 50 mV
Offset voltage vs power supply, V
+
μV/V
V
IN+
= 2.7 V to 60 V, INA169 10
0.1
V
SENSE
= 50 mV
Input bias current 10 μA
OUTPUT
Transconductance V
SENSE
= 10 mV to 150 mV 980 1000 1020 μA/V
Transconductance vs temperature V
SENSE
= 100 mV 10 nA/°C
Nonlinearity error V
SENSE
= 10 mV to 150 mV ±0.01% ±0.2%
Total output error V
SENSE
= 100 mV ±0.5% ±2%
Output impedance 1 GΩ
5 pF
Voltage output swing to power supply, V
+
(V
+
) − 0.9 (V
+
) − 1.2 V
Voltage output swing to common mode,
V
CM
− 0.6 V
CM
− 1 V
V
CM
FREQUENCY RESPONSE
R
OUT
= 10 kΩ 440
Bandwidth kHz
R
OUT
= 20 kΩ 220
R
OUT
= 10 kΩ 2.5
Settling time (0 1%) 5 V step μs
R
OUT
= 20 kΩ 5
NOISE
Output-current noise density 20 pA/√Hz
BW = 100 kHz nA
Total output-current noise 7
RMS
POWER SUPPLY
Operating range, V
+
INA139 2.7 40
V
INA169 2.7 60
Quiescent current V
SENSE
= 0, IO = 0 60 125 μA
(1) Defined as the amount of input voltage, V
SENSE
, to drive the output to zero.
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