INA230 Texas instruments

INA230

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INA230

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Описание

The INA230 is a current-shunt and power monitor with an I2C interface that features 16 programmable addresses. The INA230 monitors both shunt voltage drops and bus supply voltage. Programmable calibration value, conversion times, and averaging, combined with an internal multiplier, enable direct readouts of current in amperes and power in watts.The INA230 senses current on buses that vary from 0 V to 36 V, with the device powered from a single 2.7-V to 5.5-V supply, drawing 330 µA (typical) of supply current. The INA230 is specified over the operating temperature range of –40°C to +125°C.

Bus voltage sensing from 0 V to 36 V
High- or low-side sensing
Current, voltage, and power reporting
High accuracy:
- 0.3% gain error (maximum)
- 25-µV offset (maximum)
Configurable averaging options
Programmable alert threshold
Power supply operation: 2.7 V to 5.5 V
Packages:
- 16-pin RGT (VQFN)
- 10-pin DGS (VSSOP)

Common-mode voltage (max) (V)	36
Common-mode voltage (min) (V)	0
Input offset (±) (max) (µV)	25
Input offset drift (±) (max) (µV/°C)	0.1
Input offset drift (±) (typ) (µV/°C)	0.05
Voltage gain (V/V)	1
CMRR (min) (dB)	120
Bandwidth (kHz)	3.5
Supply voltage (max) (V)	5.5
Supply voltage (min) (V)	2.7
Iq (max) (mA)	0.42
Digital interface	I2C, SMBus
Gain error (%)	0.3
Gain error drift (±) (max) (ppm/°C)	50
Features	Alert Function, Bi-directional, Integrated Power Monitor, Low-side Capable
Number of channels	1
Resolution (Bits)	16
Power measurement accuracy (%)	1
Rating	Catalog
Operating temperature range (°C)	-40 to 125