Datasheet
INA209
SBOS403B – JUNE 2007 – REVISED MARCH 2009 .........................................................................................................................................................
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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, unless otherwise noted.
INA209
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
ADC TIMING
ADC Conversion Time 12-Bit 532 586 µ s
11-Bit 276 304 µ s
10-Bit 148 163 µ s
9-Bit 84 93 µ s
Minimum Convert Input Low Time 4 µ s
SMBus
SMBus Timeout
(5)
28 35 ms
DIGITAL INPUTS
(Convert, GPIO and SDA as Input, SCL, A0, A1)
Input Capacitance 3 pF
Leakage Input Current 0 ≤ V
IN
≤ V
S
0.1 1 µ A
Input Logic Levels:
V
IH
0.7 (V
S
) 6 V
V
IL
– 0.3 0.3 (V
S
) V
Hysteresis 500 mV
DIGITAL OUTPUTS
GPIO Pin Output Low I
SINK
= 3mA 0.15 0.4 V
GPIO Pin Output High I
SOURCE
= 3mA V
S
– 0.4 V
S
– 0.15 V
OPEN-DRAIN DIGITAL OUTPUTS
(Critical, Over-Limit, Warning, Alert, SDA)
Logic ' 0 ' Output Level I
SINK
= 3mA 0.15 0.4 V
High-Level Output Leakage Current V
OUT
= V
S
0.1 1 µ A
POWER SUPPLY
Operating Supply Range +3 +5.5 V
Quiescent Current 1 1.5 mA
Quiescent Current, Power-Down Mode 6 15 µ A
Power-On Reset Threshold 2 V
TEMPERATURE RANGE
Specified Temperature Range – 25 +85 ° C
Operating Temperature Range – 40 +125 ° C
Thermal Resistance θ
JA
TSSOP-16 +150 ° C/W
(5) SMBus timeout in the INA209 resets the interface any time SCL or SDA is low for over 28ms.
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