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INA240A1QPWRQ1

Mfr. #:
INA240A1QPWRQ1
Mfr.:
Texas Instruments
Product Type:
Current Sense Amplifier
Series:
INA240-Q1
Package / Case:
8-TSSOP
Description:
Automotive 20-V/V current sense amplifier with enhanced PWM rejection in 8-pin TSSOP.

Product Attributes

AttributeValue
Gain20 V/V
Input Offset Voltage±25 µV maximum
Supply Voltage2.7 to 5.5 V
Common-Mode Voltage-4 to 80 V
Gain Error0.20% maximum
PWM RejectionEnhanced
Operating Ambient Temperature-40 to 125 °C
Automotive QualificationAEC-Q100 Grade 1
Package Details8-TSSOP (PW)

Product Details

INA240A1QPWRQ1 provides the 20-V/V automotive INA240-Q1 current-sense function in an eight-pin TSSOP package, changing the board footprint from the SOIC ordering variant.

A shunt may be placed in a path whose common-mode voltage spans -4 to 80 V, so the amplifier can observe current on a motor supply rail without requiring its own supply to track that rail.

Its enhanced PWM rejection attenuates the abrupt common-mode steps generated by inverter switching and helps the downstream ADC receive a stable current signal.

The 2.7-to-5.5-V supply, 20-V/V gain and specified offset establish the analog scaling needed before choosing the shunt and conversion range.

AEC-Q100 Grade 1 coverage and a -40-to-125-degree-C ambient range make the exact QPWRQ1 package option relevant to automotive footprint and temperature review.

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