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TI INA293B1QDBVRQ1 product image
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TI INA293B1QDBVRQ1RoHS

Manufacturer
TI
MPN
INA293B1QDBVRQ1
LCSC Part #
C4371010
Packaging
SOT-23-5
Customer #
Key Attributes
1 -4V~110V 30uV 2.5V/us 1.3MHz 160dB 20uA 1.5mA 20V/V SOT-23-5 Instrumentation, Op Amps, Buffer Amps RoHS
Datasheetpdf iconTI INA293B1QDBVRQ1
In-Stock: 10
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QtyUnit PriceTotal Amount
1+$ 5.126$ 5.13
10+$ 4.3633$ 43.63
30+$ 3.8983$ 116.95
100+$ 3.5069$ 350.69
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-23-5
Number of Channels1
Vcm - Common Mode Voltage-4V~110V
Vos - Input Offset Voltage30uV
Slew Rate2.5V/us
Input Offset Current(Ios)-
Bandwidth1.3MHz
FeaturesHigh-side detection;Low-side detection;Zero drift / auto-zero
Operating Temperature-40℃~+125℃
Common Mode Rejection Ratio(CMRR)160dB
Ib - Input Bias Current20uA
Output Current-
Noise density(eN)50nV/√Hz@1kHz
Input Offset Voltage Drift(Vos TC)0.5uV/℃
Quiescent Current1.5mA
Gain20V/V
Differential Voltage±12V
Dual Supply-
Single Supply2.7V~20V
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging3000
Sales UnitPiece

Introduction

AI Translation

The INA293-Q1 is an ultra-precision current sense amplifier that measures the voltage drop across a shunt resistor over a wide common-mode range of –4V to 110V. The negative common-mode voltage allows the device to operate below ground, enabling accurate measurement of freewheeling currents in half-bridge applications. The combination of low offset voltage, small gain error, and high DC CMRR enables high-accuracy current measurement. The INA293-Q1 is suitable not only for DC current measurement but also for high-speed applications such as fast overcurrent protection, featuring a wide bandwidth of 1.3MHz and 85dB AC CMRR (at 50kHz). The INA293-Q1 operates from a single supply of 2.7V to 20V with a supply current of 1.5mA. The INA293-Q1 offers five gain options: 20V/V, 50V/V, 100V/V, 200V/V, and 500V/V, covering a wide dynamic range of current sensing applications. The INA293-Q1 is rated for an operating temperature range of –40°C to +125°C and is available in a space-saving SOT-23 package with two pin configuration options.

Features

AI Translation
  • AEC-Q100 qualified for automotive applications – Temperature Grade 1: -40°C to +125°C, TA
  • Functional Safety capable
  • Documentation available to aid functional safety system design
  • Wide common-mode voltage: operating voltage: -4V to +110V, withstand voltage: -20V to +120V
  • Excellent CMRR: 160dB DC CMRR, 85dB AC CMRR (at 50kHz)
  • Accuracy: gain error: ±0.15% (maximum), gain drift: ±10ppm/°C (maximum); offset voltage: ±15μV (typical), temperature drift: ±0.05μV/°C (typical)
  • High bandwidth: 1.3 MHz
  • Slew rate: 2.5 V/μs
  • Quiescent current: 1.5mA
  • Available gains: 20V/V, 50V/V, 100V/V, 200V/V, and 500V/V

Applications

AI Translation
  • 48V Automotive
  • Solenoid Control
  • 48V DC/DC Converter
  • Valve Control