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TI INA240A3PWRRoHS

Manufacturer
TI
MPN
INA240A3PWR
LCSC Part #
C544538
Packaging
TSSOP-8
Customer #
Key Attributes
1 5uV -4V~80V 2V/us 400kHz 132dB 90uA 1.8mA 100V/V TSSOP-8 Instrumentation, Op Amps, Buffer Amps RoHS
Datasheetpdf iconTI INA240A3PWR
In-Stock: 1,596
1,596 In stock, ships now
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QtyUnit PriceTotal Amount
1+$ 3.148$ 3.15
10+$ 2.6969$ 26.97
30+$ 2.28$ 68.40
100+$ 2.008$ 200.80
500+$ 1.8826$ 941.30
1,000+$ 1.8273$ 1827.30
Standard Packaging2000/Full Reel
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Linear/Amplifiers/Instrumentation, Op Amps, Buffer Amps
ManufacturerTI
PackagingTSSOP-8
Number of Channels1
Vos - Input Offset Voltage5uV
Vcm - Common Mode Voltage-4V~80V
Slew Rate2V/us
Input Offset Current(Ios)-
Bandwidth400kHz
FeaturesBidirectional detection;Analog output interface;Programmable output reference level;Zero drift / auto-zero
Operating Temperature-40℃~+125℃
Common Mode Rejection Ratio(CMRR)132dB
Ib - Input Bias Current90uA
Output Current-
Noise density(eN)40nV/√Hz@1kHz
Input Offset Voltage Drift(Vos TC)250nV/℃
Quiescent Current1.8mA
Gain100V/V
Differential Voltage±80V
Dual Supply-
Single Supply2.7V~5.5V
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging2000
Sales UnitPiece

Introduction

AI Translation

The INA240 is a voltage output, current-sense amplifier with enhanced PWM rejection, capable of sensing the voltage drop across a shunt resistor over a wide common-mode voltage range of –4V to 80V, independent of the supply voltage. The negative common-mode voltage allows the device to operate below ground, accommodating the flyback period of typical solenoid applications. The enhanced PWM rejection provides a high level of rejection for large common-mode transients (ΔV/Δt) in systems using PWM signals, such as motor drive and solenoid control systems. This feature enables accurate current measurement without introducing large transients or corresponding recovery ripple at the output voltage. The device operates from a single 2.7V to 5.5V supply and draws a maximum supply current of 2.4mA. Four fixed gains are available: 20V/V, 50V/V, 100V/V, and 200V/V. The low offset of the zero-drift architecture enables current sensing with a maximum full-scale shunt voltage drop as low as 10mV. All versions are rated for an extended operating temperature range of –40°C to +125°C and are available in 8-pin TSSOP and 8-pin SOIC packages.

Features

AI Translation
  • Enhanced PWM rejection
  • Excellent CMRR:
    • 132dB DC CMRR
    • 93dB AC CMRR (at 50kHz)
  • Wide common-mode range: -4V to 80V
  • Gain: gain error: 0.20% (max), gain drift: 2.5ppm/°C (max)
  • Offset: offset voltage: ±25μV (max), temperature drift: 250nV/°C (max)
  • Available gains: 20V/V, 50V/V, 100V/V, 200V/V
  • Quiescent current: 2.4mA (max)

Applications

AI Translation
  • Motor control
  • Solenoid and valve control
  • Power management
  • Actuator control
  • Pressure regulators
  • Telecom equipment