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Updated at 17/06/2025 10:30:15(UTC+8)

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Description

The INA331IDGKT is a low-power single supply CMOS Instrumentation Amplifier with rail-to-rail output. It offers wide range, single-supply operation as well as bipolar-supply operation. The INA331 family provides low-noise amplification of differential signals with a low quiescent current of 415µA (dropping to 0.01µA when shutdown). Returning to normal operation within microseconds, this INA can be used for battery or multi-channel applications. Configured internally in a gain of 5V/V, the INA331 offers flexibility in higher gains by choosing external resistors. The INA331 rejects line noise and its harmonics, because common-mode error remains low even at higher frequencies. High bandwidth and slew rate makes the INA331 ideal for directly driving sampling analog-to-digital (A/D) converters as well as general-purpose applications.
High gain accuracy of G=5, 0.02%, 2ppm/°C
Gain set with external resistor
0.5pA Low bias current
-0.02V (V+) Rail-to-rail output swing
490µA/channel Low quiescent current
Green product and no Sb/Br

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INA331IDGKT Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Surface Mount
Number of Pins	8 Pin
Case/Package	MSOP-8
Operating Voltage	2.7V ~ 5.5V
Supply Current	415 µA
Number of Circuits	1 Circuit
Number of Channels	1 Channel
Number of Positions	8 Position
Common Mode Rejection Ratio	94 dB
Quiescent Current	415 µA
Bandwidth	1 kHz
Slew Rate	5.00 V/μs
Gain Bandwidth Product	2.00 MHz
Input Offset Voltage	500 µV
Input Bias Current	.5 pA
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-55 ℃
3dB Bandwidth	2 MHz
Minimum CMRR Range	90 dB
Supply Voltage	2.5V ~ 5.5V
Supply Voltage (Max)	5V ~ 7V
	Show
Size-Length	3 mm
Size-Width	3 mm
Size-Height	0.97 mm
Operating Temperature	-55℃ ~ 125℃
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/06/15

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