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Data Sheet
INA745x
40 V,
16-Bit, Precision
I2C Output Digital Power Monitor with EZShunt Technology
1 Features
- Low loss integrated shunt resistor
- Internal resistance: 800 µΩ, TA = 25°C
- Continuous current: ±35 A, TA = 25°C
- Peak measurement capability: ±39.32 A
- Current monitoring accuracy: A/B Grade, maximum
- Offset current: ±6.25 mA / ±62.5 mA
- Offset drift: ±30 µA/°C (A and B Grades)
- System gain error: ±0.75% / ±1.25%
- Common-mode rejection: ±0.125 / ±1.25 mA/V
- Power monitoring accuracy: A/B Grade, maximum
- ±0.9% / ±1.6% at 25°C, full scale
- Energy and charge accuracy: A/B Grade, maximum
- ±1.4% / ±2.1% at 25°C, full scale
- Temperature sensor: ±1.5°C (maximum at 25°C)
- Precision oscillator: ±0.5% (maximum at
25°C)
- Programmable conversion time and averaging
- 2.94-MHz high-speed I2C interface with 16 pin-selectable addresses
- Operates from a 2.7-V to 5.5-V supply:
- Operational current: 640 µA (typical)
- Shutdown current: 5 µA (maximum)
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