Texas Instruments

INA240A1DR

Instrumentation, Op Amps, Buffer Amps

Manufacturer
MPN
INA240A1DR
Package / Case
SOIC-8
Key Attributes
Current Sense Amplifiers

Technical Specifications

TypeDescription
Iq A0.002 A
Vcm - Common Mode Voltage-4V~80V
Ib - Input Bias Current90uA
-3dB Bandwidth400kHz
Differential Voltage+/-80V
Output Current-
Channels1.0
Voffset V5 V
Slew Rate Vus2.0
TypeDescription
Operating Temp-40°C ~ +125°C
Common Mode Rejection Ratio132.0
Voffset Drift Uv250.0
Gain Db20.0
FeaturesBidirectional detection;Zero drift / auto-zero;Programmable output reference level;Analog output interface
Noise Nv40.0
Dual Supply-
Single Supply2.7V~5.5V
Package / CaseSOIC-8

Product Introduction

Current sense amplifiers, also called current shunt monitors, are specialized differential amplifiers with a precisely matched resistive gain network. Designed to monitor the current flow by measuring the voltage drop across a sense element, typically a shunt resistor. Tend to be easier to use, more precise and less prone to noise. Support currents from 10s of μA to 100s of A. Natively support common - mode voltages from -16 to +80 V and with additional circuitry up to 100s of volts.

Features

  • Designed to monitor the current flow by measuring the voltage drop across a sense element, typically a shunt resistor
  • Tend to be easier to use, more precise and less prone to noise
  • Support currents from 10s of μA to 100s of A
  • Natively support common - mode voltages from -16 to +80 V and with additional circuitry up to 100s of volts
  • Real - time overcurrent protection
  • Current and power monitoring for system optimization
  • Current measurement for closed - loop feedback
  • Integrates the amplifier along with all the gain - setting resistors which enables small and unified temperature drift
  • Integrates the full analog signal processing and provides a voltage or current output
  • Integrates the full signal conditioning path and utilizes a standard 2 - wire digital interface
  • Provides a simple ALERT signal when the load current exceeds a threshold
  • Offers a low - drift, precision integrated sense element
  • Able to detect load short to ground
  • Current is monitored directly from the source
  • High immunity to ground disturbance
  • Integrated gain resistors provide excellent matching to enable a higher performing and more stable platform
  • Reduction in board space requirements
  • High dynamic changes in the common - mode voltage are difficult to achieve with standard op amps
  • Unique input architecture allows for the common - mode voltage to greatly exceed the device supply voltage
  • Simple to implement and low - cost solution
  • Wide range of available options
  • True differential measurement across the shunt resistor
  • Lower VOFFSET saves system power by enabling the use of smaller value shunt resistors to achieve the same error level

Datasheet

📄 Open Download

Alternative Parts

Common INA240A1DR alternatives overseas buyers search for:

Compliance & Export Codes

TypeDetails
RoHSROHS3
ECCNEAR99
CNHTS8542339000
USHTS8542330001
TARIC8542339000
TypeDetails
CAHTS8542330000
BRHTS85423390
INHTS85423300
MXHTS8542.33.99

Sourcing Information

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