Datasheet

INA138, INA168
3
SBOS122C
www.ti.com
ELECTRICAL CHARACTERISTICS
Boldface limits apply over the specified temperature range, T
A
= –40°C to +125°C.
All other characteristics at T
A
= +25°C, V
S
= 5V, V
IN+
= 12V, and R
OUT
= 125kΩ, unless otherwise noted.
PARAMETER CONDITION MIN TYP MAX MIN TYP MAX UNITS
INPUT
Full-Scale Sense Voltage V
SENSE
= V
IN+
– V
IN–
100 500 ✽✽mV
Common-Mode Input Range 2.7 36 ✽ 60 V
Common-Mode Rejection
V
IN+
= 2.7V to 40V, V
SENSE
= 50mV 100 120 dB
V
IN+
= 2.7V to 60V, V
SENSE
= 50mV 100 120 dB
Offset Voltage
(1)
±0.2 ±1 ✽✽mV
Over Temperature
±2 ✽ mV
vs Temperature 1 ✽ µV/°C
vs Power Supply, V+
V– = 2.7V to 40V, V
SENSE
= 50mV 0.1 10 µV/V
V– = 2.7V to 60V, V
SENSE
= 50mV 0.1 10 µV/V
Input Bias Current 2 ✽ µA
vs Temperature 10 µA
OUTPUT
Transconductance T
A
= +25°C, V
SENSE
= 10mV – 150mV 198 200 202 ✽✽✽µA/V
Over Temperature 196 204 ✽✽
µA/V
vs Temperature V
SENSE
= 100mV 10 ✽ nA/°C
Nonlinearity Error V
SENSE
= 10mV to 150mV ±0.01 ±0.1 ✽✽ %
Total Output Error V
SENSE
= 100mV ±0.5 ±2 ✽✽ %
Over Temperature ±2.5 ✽ %
Output Impedance 1 || 5 ✽ GΩ || pF
Voltage Output
Swing to Power Supply, V+
(V+) – 0.8 (V+) – 1.0 ✽✽ V
Swing to Common Mode, V
CM
V
CM
– 0.5 V
CM
– 0.8 ✽✽ V
FREQUENCY RESPONSE
Bandwidth R
OUT
= 5kΩ 800 ✽ kHz
R
OUT
= 125kΩ 32 ✽ kHz
Settling Time (0.1%) 5V Step, R
OUT
= 5kΩ 1.8 ✽ µs
5V Step, R
OUT
= 125kΩ 30 ✽ µs
NOISE
Output-Current Noise Density 9 ✽ pA/√Hz
Total Output-Current Noise BW = 100kHz 3 ✽ nA RMS
POWER SUPPLY
Operating Range, V+ 2.7 36 ✽ 60 V
Quiescent Current T
A
= +25°C, V
SENSE
= 0, I
O
= 0 25 45 ✽✽µA
Over Temperature 60 ✽ µA
TEMPERATURE RANGE
Specification, T
MIN
to T
MAX
–40 125 ✽✽°C
Operating –55 150 ✽✽°C
Storage –65 150 ✽✽°C
Thermal Resistance
θ
JA
200 ✽ °C/W
✽ specification same as INA138NA
NOTE: (1) Defined as the amount of input voltage, V
SENSE
, to drive the output to zero.
INA138NA INA168NA