Datasheet

INA226
SBOS547 –JUNE 2011 www.ti.com
ELECTRICAL CHARACTERISTICS: V
S
= +3.3V (continued)
Boldface limits apply over the specified temperature range, T
A
= –40°C to +125°C.
At T
A
= +25°C, VIN+ = 12V, V
SENSE
= (VIN+ – VIN–) = 0mV, V
BUS
= 12V, unless otherwise noted.
INA226
PARAMETER CONDITIONS MIN TYP MAX UNIT
POWER SUPPLY
Operating supply range +2.7 +5.5 V
Quiescent current 330 420 μA
Quiescent current, power-down mode 0.5 2 μA
Power-on reset threshold 2 V
TEMPERATURE RANGE
Specified range –40 +125 °C
THERMAL INFORMATION
INA226
THERMAL METRIC
(1)
DGS UNITS
10 PINS
θ
JA
Junction-to-ambient thermal resistance 171.4
θ
JCtop
Junction-to-case (top) thermal resistance 42.9
θ
JB
Junction-to-board thermal resistance 91.8
°C/W
ψ
JT
Junction-to-top characterization parameter 1.5
ψ
JB
Junction-to-board characterization parameter 90.2
θ
JCbot
Junction-to-case (bottom) thermal resistance n/a
(1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.
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