Datasheet

INA230
SBOS601 –FEBRUARY 2012 www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
At T
A
= +25°C, V
S
= +3.3 V, V
IN+
= 12 V, V
SENSE
= (V
IN+
– V
IN–
) = 0 mV, and V
BUS
= 12 V, unless otherwise noted.
INA230
PARAMETER CONDITIONS MIN TYP MAX UNIT
POWER SUPPLY
Operating supply range +2.7 +5.5 V
330 420 μA
Quiescent current
Power-Down mode 0.5 2 μA
Power-on reset threshold 2 V
TEMPERATURE
Specified range –40 +125 °C
THERMAL INFORMATION
INA230
THERMAL METRIC
(1)
RGT (QFN) UNITS
10 PINS
θ
JA
Junction-to-ambient thermal resistance 46.1
θ
JCtop
Junction-to-case (top) thermal resistance 58.4
θ
JB
Junction-to-board thermal resistance 19.1
°C/W
ψ
JT
Junction-to-top characterization parameter 1.3
ψ
JB
Junction-to-board characterization parameter 19.1
θ
JCbot
Junction-to-case (bottom) thermal resistance 4.7
(1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.
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