INA240 in INA219 / INA226 Current Sensors Family
The INA240 series by Texas Instruments is a family of high-side, bidirectional, current-sense amplifiers designed with enhanced PWM rejection. Specifically engineered for motor control and solenoid applications, these devices provide high accuracy even in the presence of common-mode voltage transitions. By integrating high-precision resistors and an advanced chopper-stabilized architecture, the family ensures minimal offset and drift across a wide temperature range, facilitating precise current monitoring in electrically noisy switching environments.
Variants in This Sub-Family
The INA240 sub-family variants primarily differ in their fixed gain settings, ranging from 20V/V to 200V/V, denoted by suffixes A1 through A4. Package options include TSSOP and SOT-563, allowing engineers to balance thermal performance against PCB footprint constraints. Some variants, like the AIDRLT, emphasize space-saving form factors for dense multi-channel monitoring, while evaluation modules like the INA240EVM facilitate rapid prototyping and performance validation.
