Datasheet

INA226
www.ti.com SBOS547 –JUNE 2011
V
BUS
CT: Bus Voltage Conversion Time
Bits 6–8 Sets the conversion time for the bus voltage measurement. Table 4 shows the V
BUS
CT bit options and related
conversion times for each bit.
Table 4. V
BUS
CT Bit Settings [8:6]
(1)
V
BUS
CT2 V
BUS
CT1 V
BUS
CT0
D8 D7 D6 CONVERSION TIME
0 0 0 140µs
0 0 1 204µs
0 1 0 332µs
0 1 1 588µs
1 0 0 1.1ms
1 0 1 2.116ms
1 1 0 4.156ms
1 1 1 8.244ms
(1) Shaded values are default.
V
SH
CT: Shunt Voltage Conversion Time
Bits 3–5 Sets the conversion time for the shunt voltage measurement. Table 5 shows the V
SH
CT bit options and related
conversion times for each bit.
Table 5. V
SH
CT Bit Settings [5:3]
(1)
V
SH
CT2 V
SH
CT1 V
SH
CT0
D5 D4 D3 CONVERSION TIME
0 0 0 140µs
0 0 1 204µs
0 1 0 332µs
0 1 1 588µs
1 0 0 1.1ms
1 0 1 2.116ms
1 1 0 4.156ms
1 1 1 8.244ms
(1) Shaded values are default.
MODE: Operating Mode
Bits 0–2 Selects continuous, triggered, or power-down mode of operation. These bits default to continuous shunt and bus
measurement mode. The mode settings are shown in Table 6.
Table 6. Mode Settings [2:0]
(1)
MODE3 MODE2 MODE1
MODE
D2 D1 D0
0 0 0 Power-Down
0 0 1 Shunt Voltage, Triggered
0 1 0 Bus Voltage, Triggered
0 1 1 Shunt and Bus, Triggered
1 0 0 Power-Down
1 0 1 Shunt Voltage, Continuous
1 1 0 Bus Voltage, Continuous
1 1 1 Shunt and Bus, Continuous
(1) Shaded values are default.
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