Datasheet

INA219
SBOS448F –AUGUST 2008– REVISED SEPTEMBER 2011 www.ti.com
ELECTRICAL CHARACTERISTICS: V
S
= +3.3V (continued)
Boldface limits apply over the specified temperature range, T
A
= –25°C to +85°C.
At T
A
= +25°C, V
IN+
= 12V, V
SENSE
= (V
IN+
– V
IN–
) = 32mV, PGA = ÷ 1, and BRNG
(1)
= 1, unless otherwise noted.
INA219A INA219B
PARAMETER TEST CONDITIONS MIN TYP MAX MIN TYP MAX UNIT
SMBus
SMBus Timeout
(6)
28 35 28 35 ms
DIGITAL INPUTS
(SDA as Input, SCL, A0, A1)
Input Capacitance 3 3 pF
Leakage Input Current 0 ≤ V
IN
≤ V
S
0.1 1 0.1 1 μA
Input Logic Levels:
V
IH
0.7 (V
S
) 6 0.7 (V
S
) 6 V
V
IL
–0.3 0.3 (V
S
) –0.3 0.3 (V
S
) V
Hysteresis 500 500 mV
OPEN-DRAIN DIGITAL OUTPUTS (SDA)
Logic '0' Output Level I
SINK
= 3mA 0.15 0.4 0.15 0.4 V
High-Level Output Leakage Current V
OUT
= V
S
0.1 1 0.1 1 μA
POWER SUPPLY
Operating Supply Range +3 +5.5 +3 +5.5 V
Quiescent Current 0.7 1 0.7 1 mA
Quiescent Current, Power-Down Mode 6 15 6 15 μA
Power-On Reset Threshold 2 2 V
TEMPERATURE RANGE
Specified Temperature Range –25 +85 –25 +85 °C
Operating Temperature Range –40 +125 –40 +125 °C
Thermal Resistance
(7)
θ
JA
SOT23-8 142 142 °C/W
SO-8 120 120 °C/W
(6) SMBus timeout in the INA219 resets the interface any time SCL or SDA is low for over 28ms.
(7) θ
JA
value is based on JEDEC low-K board.
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