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TI INA181A1IDBVR product image
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TI INA181A1IDBVRRoHS

Manufacturer
TI
MPN
INA181A1IDBVR
LCSC Part #
C2058943
Packaging
SOT-23-6
Customer #
Key Attributes
1 25uV -200mV~26V 2V/us 350kHz 100dB 6uA 195uA 20V/V SOT-23-6 Instrumentation, Op Amps, Buffer Amps RoHS
Datasheetpdf iconTI INA181A1IDBVR
In-Stock: 825
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QtyUnit PriceTotal Amount
5+$ 0.4154$ 0.4030$ 2.02
50+$ 0.3347$ 0.3247$ 16.24
150+$ 0.3001$ 0.2911$ 43.67
500+$ 0.2569$ 0.2492$ 124.60
3,000+$ 0.2377$ 0.2306$ 691.80
6,000+$ 0.2261$ 0.2194$ 1316.40
Standard Packaging3000/Full Reel
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Linear/Amplifiers/Instrumentation, Op Amps, Buffer Amps
ManufacturerTI
PackagingSOT-23-6
Number of Channels1
Vos - Input Offset Voltage25uV
Vcm - Common Mode Voltage-200mV~26V
Slew Rate2V/us
Input Offset Current(Ios)0.05uA
Bandwidth350kHz
FeaturesHigh-side detection;Low-side detection;Bidirectional detection;Analog output interface;Programmable output reference level
Operating Temperature-40℃~+125℃
Common Mode Rejection Ratio(CMRR)100dB
Ib - Input Bias Current6uA
Noise density(eN)40nV/√Hz@1kHz
Input Offset Voltage Drift(Vos TC)1uV/℃
Quiescent Current195uA
Gain20V/V
Differential Voltage±26V
Output Current8mA
Single Supply2.7V~5.5V
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Additional Information

TypeDetails
Minimum5
Multiple5
Standard Packaging3000
Sales UnitPiece

Introduction

AI Translation

The INA181, INA2181, and INA4181 (INAx181) current-sense amplifiers are designed for cost-optimized solutions. These devices are a series of bidirectional current-sense amplifiers (also known as current shunt monitors) that can sense the voltage drop across a current-sense resistor at common-mode voltages ranging from -0.2V to +26V, independent of the supply voltage. The INAx181 series integrates a matched resistor gain network with four fixed-gain device options: 20V/V, 50V/V, 100V/V, or 200V/V. This matched gain resistor network minimizes gain error and reduces temperature drift. These devices are powered by a single 2.7V to 5.5V supply. The single-channel INA181 consumes a maximum supply current of 260μA; the dual-channel INA2181 consumes a maximum supply current of 500μA, and the quad-channel INA4181 consumes a maximum supply current of 900μA. The INA181 is available in a 6-pin SOT - 23 package. The INA2181 is available in a 10-pin VSSOP package. The INA4181 is available in a 20-pin TSSOP package. All device options are specified for an extended operating temperature range of -40°C to +125°C.

Features

AI Translation
  • Common-mode range (VCM): -0.2V to +26V
  • High bandwidth: 350kHz (A1 device)
  • Offset voltage: ±150μV (max), VCM = 0V; ±500μV (max), VCM = 12V
  • Output slew rate: 2V/μs
  • Bidirectional current sensing accuracy: ±1% gain error (max)
  • 1μV/°C drift (max)
  • Gain options:
    • 20V/V (A1 device)
    • 50V/V (A2 device)
    • 100V/V (A3 device)
    • 200V/V (A4 device)
  • Quiescent current: 260μA max (INA181)

Applications

AI Translation
  • Motor control
  • Battery monitoring
  • Power management
  • Lighting control
  • Overcurrent detection
  • Photovoltaic inverter