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INA180A2QDBVRQ1

Mfr. #:
INA180A2QDBVRQ1
Mfr.:
Texas Instruments
Product Type:
Current-Sense Amplifier
Series:
INAx180-Q1
Package / Case:
SOT-23-5
Description:
Current-Sense Amplifier

Product Attributes

AttributeValue
ChannelsSingle unidirectional low-side/high-side current-shunt voltage amplifier
Gain50 V/V fixed (A2)
Bandwidth210 kHz typical atA2 gain, CLOAD=10 pF; 2V/us typical slew rate
Input Offset+/-500 uV maximum at VCM=12V; +/-150 uV maximum at VCM=0V, 25°C; 1 uV/°C maximum drift
Noise40nV/sqrt(Hz) typical input-referred voltage-noise density; VS=5V, VCM=12V, 25°C per electrical-table defaults
Supply Voltage2.7 to 5.5V; input common-mode-0.2 to 26V independent of supply
Quiescent Current197 uA typical; 260 uA maximum at 25°C; 300 uA maximum over temperature for INA180
Operating Temperature-40 to +125°C ambient
Gain Error+/-1% maximum over-40to 125°C, output 0.5V toVS-0.5V
Output SwingTypically 5 mV or less above GND and 30 mV or less below VS at RL=10 kohm toGND; overdriven-input swing tests
Package DetailsSOT-23, DBV, 5 pins; 2.9 x 1.6 mm body; 0.95 mm pitch; 1.45 mm maximum height

Product Description

The A2 option fixes the shunt-voltage gain at 50 V/V, with 210 kHz typical bandwidth. Its input common-mode range extends above the supply, allowing a low-voltage ADC system to monitor a higher-voltage rail.

The amplifier measures the drop across an external shunt rather than providing a direct current input. Shunt resistance, output headroom and the 50 V/V gain together set the usable current range.

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