Datasheet

INA3221
SBOS576A –MAY 2012–REVISED JUNE 2013 www.ti.com
ELECTRICAL CHARACTERISTICS: V
S
= +3.3 V (continued)
At T
A
= +25°C, VIN+ = 12 V, V
SENSE
= (VIN+) – (VIN–) = 0 mV, and V
BUS
= 12 V, unless otherwise noted.
INA3221
PARAMETER CONDITIONS MIN TYP MAX UNIT
POWER SUPPLY
Operating supply range +2.7 +5.5 V
350 450 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
INA3221
THERMAL METRIC
(1)
RGV UNITS
16 PINS
θ
JA
Junction-to-ambient thermal resistance 36.5
θ
JCtop
Junction-to-case (top) thermal resistance 42.7
θ
JB
Junction-to-board thermal resistance 14.7
°C/W
ψ
JT
Junction-to-top characterization parameter 0.5
ψ
JB
Junction-to-board characterization parameter 14.8
θ
JCbot
Junction-to-case (bottom) thermal resistance 3.3
(1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.
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