Datasheet

INA170
3
SBOS193D
www.ti.com
ELECTRICAL CHARACTERISTICS
At T
A
= –40°C to +85°C, V
S
= 5V, V
IN
+
= 12V, R
OUT
= 25kΩ, unless otherwise noted.
PARAMETER CONDITION MIN TYP MAX UNITS
INPUT
Full-Scale Sense (Input) Voltage V
SENSE
= V
IN
+
– V
IN
–
100 500 mV
Common-Mode Input Range +2.7 +60 V
Common-Mode Rejection V
IN
+
= +2.7V to +60V, V
SENSE
= 50mV 100 120 dB
Offset Voltage
(1)
RTI ±0.2 ±1mV
vs Temperature T
MIN
to T
MAX
1 µV/°C
vs Power Supply V+
= +2.7V to +60V, V
SENSE
= 50mV 0.1 10 µV/V
Input Bias Current V
IN
+
, V
IN
–
10 uA
OFFSETTING AMPLIFIER
Offsetting Equation V
OS
= (R
L
/R
OS
) V
REF
Input Voltage 1V
S
– 1V
Input Offset Voltage ±0.2 ±1mV
vs Temperature T
MIN
to T
MAX
10 µV/°C
Programming Current through R
OS
01mA
Input Impedance 10
10
|| 4 Ω || pF
Input Bias Current V
IN
+
, V
IN
–
+10 nA
OUTPUT
Transconductance V
SENSE
= 10mV to 150mV 0.990 1 1.01 mA/V
vs Temperature V
SENSE
= 100mV 50 nA/°C
Nonlinearity Error V
SENSE
= 10mV to 150mV ±0.01 ±0.1 %
Total Output Error V
SENSE
= 100mV ±0.5 ±2%
Output Impedance 1 || 5 GΩ || pF
Voltage Output
Swing to Power Supply, V+ (V+) – 0.9 (V+) – 1.2 V
Swing to Common Mode, V
CM
V
CM
– 0.6 V
CM
– 1.0 V
FREQUENCY RESPONSE
Bandwidth R
OUT
= 10kΩ 400 kHz
Settling Time (0.1%) 5V Step, R
OUT
= 10kΩ 3 µs
NOISE
Output-Current Noise Density 20 pA/√Hz
Total Output-Current Noise BW = 100kHz 7 nA RMS
POWER SUPPLY
Operating Range V+ +2.7 +40 V
Quiescent Current V
SENSE
= 0, I
O
= 0 75 125 µA
TEMPERATURE RANGE
Specification, T
MIN
to T
MAX
–40 +85 °C
Operating –55 +125 °C
Storage –65 +150 °C
Thermal Resistance,
θ
JA
150 °C/W
NOTE: (1) Defined as the amount of input voltage, V
SENSE
, to drive the output to zero.
INA170EA