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Amplificadores de detección de corriente
Amplificadores analógicos de detección de corriente

INA214

ACTIVO

Amplificador de detección de corriente bidireccional de 26 V y alta precisión

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INA214

ACTIVO
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Detalles del producto

Product type Analog output Common-mode voltage (max) (V) 26 Common-mode voltage (min) (V) -0.3 Input offset (±) (max) (µV) 60 Input offset drift (±) (typ) (µV/°C) 0.1 Features Bidirectional, High precision, Low-side Capable Rating Catalog Voltage gain (V/V) 100 CMRR (min) (dB) 105 Bandwidth (kHz) 30 Supply voltage (max) (V) 26 Supply voltage (min) (V) 2.7 Iq (max) (mA) 0.115 Number of channels 1 Comparators (#) 0 Gain error (%) 0.4, 0.9 Gain error drift (±) (max) (ppm/°C) 10 Slew rate (V/µs) 0.4 Operating temperature range (°C) -40 to 125
Product type Analog output Common-mode voltage (max) (V) 26 Common-mode voltage (min) (V) -0.3 Input offset (±) (max) (µV) 60 Input offset drift (±) (typ) (µV/°C) 0.1 Features Bidirectional, High precision, Low-side Capable Rating Catalog Voltage gain (V/V) 100 CMRR (min) (dB) 105 Bandwidth (kHz) 30 Supply voltage (max) (V) 26 Supply voltage (min) (V) 2.7 Iq (max) (mA) 0.115 Number of channels 1 Comparators (#) 0 Gain error (%) 0.4, 0.9 Gain error drift (±) (max) (ppm/°C) 10 Slew rate (V/µs) 0.4 Operating temperature range (°C) -40 to 125
SOT-SC70 (DCK) 6 4.2 mm² 2 x 2.1 UQFN (RSW) 10 2.52 mm² 1.8 x 1.4

  • Updated format to match new TI layout and flow. Tables, figures and cross-references use a new numbering sequence throughout the document.

    Wide Common-Mode Range: –0.3 V to 26 V
  • Offset Voltage: ±35 µV (Maximum, INA210) (Enables Shunt Drops of 10-mV Full-Scale)
  • Accuracy:
    • Gain Error (Maximum Over Temperature):
      • ±0.5% (Version C)
      • ±1% (Versions A and B)
    • 0.5-µV/°C Offset Drift (Maximum)
    • 10-ppm/°C Gain Drift (Maximum)
  • Choice of Gains:
    • INA210: 200 V/V
    • INA211: 500 V/V
    • INA212: 1000 V/V
    • INA213: 50 V/V
    • INA214: 100 V/V
    • INA215: 75 V/V
  • Quiescent Current: 100 µA (Maximum)
  • SC70 and Thin UQFN Packages: All Models

  • Updated format to match new TI layout and flow. Tables, figures and cross-references use a new numbering sequence throughout the document.

    Wide Common-Mode Range: –0.3 V to 26 V
  • Offset Voltage: ±35 µV (Maximum, INA210) (Enables Shunt Drops of 10-mV Full-Scale)
  • Accuracy:
    • Gain Error (Maximum Over Temperature):
      • ±0.5% (Version C)
      • ±1% (Versions A and B)
    • 0.5-µV/°C Offset Drift (Maximum)
    • 10-ppm/°C Gain Drift (Maximum)
  • Choice of Gains:
    • INA210: 200 V/V
    • INA211: 500 V/V
    • INA212: 1000 V/V
    • INA213: 50 V/V
    • INA214: 100 V/V
    • INA215: 75 V/V
  • Quiescent Current: 100 µA (Maximum)
  • SC70 and Thin UQFN Packages: All Models

The INA21x are voltage-output, current-shunt monitors (also called current-sense amplifiers) that are commonly used for overcurrent protection, precision-current measurement for system optimization, or in closed-loop feedback circuits. This series of devices can sense drops across shunts at common-mode voltages from –0.3 V to 26 V, independent of the supply voltage. Six fixed gains are available: 50 V/V, 75 V/V, 100 V/V, 200 V/V, 500 V/V, or 1000 V/V. The low offset of the zero-drift architecture enables current sensing with maximum drops across the shunt as low as 10-mV full-scale.

These devices operate from a single 2.7-V to 26-V power supply, drawing a maximum of 100 µA of supply current. All versions are specified over the extended operating temperature range (–40°C to +125°C), and offered in SC70 and UQFN packages.

The INA21x are voltage-output, current-shunt monitors (also called current-sense amplifiers) that are commonly used for overcurrent protection, precision-current measurement for system optimization, or in closed-loop feedback circuits. This series of devices can sense drops across shunts at common-mode voltages from –0.3 V to 26 V, independent of the supply voltage. Six fixed gains are available: 50 V/V, 75 V/V, 100 V/V, 200 V/V, 500 V/V, or 1000 V/V. The low offset of the zero-drift architecture enables current sensing with maximum drops across the shunt as low as 10-mV full-scale.

These devices operate from a single 2.7-V to 26-V power supply, drawing a maximum of 100 µA of supply current. All versions are specified over the extended operating temperature range (–40°C to +125°C), and offered in SC70 and UQFN packages.
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INA199 ACTIVO Amplificador de detección de corriente bidireccional de 26 V The INA199 is functionally identical with reduced accuracy at a lower price.

Documentación técnica

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Documentación principal Tipo Título Opciones de formato Fecha
* Data sheet INA21x Voltage Output, Low- or High-Side Measurement, Bidirectional,Zero-Drift Series, Current-Shunt Monitors datasheet (Rev. K) PDF | HTML 14 nov 2023
Application note Risks and Prevention of ESD, EOS, and Latch Up Events for Current Sense Amplifiers PDF | HTML 18 nov 2024
Application brief Integrating the Current Sensing Resistor (Rev. D) PDF | HTML 07 abr 2023
Application brief Precision Current Measurements on High-Voltage Power-Supply Rails (Rev. F) PDF | HTML 17 oct 2022
Application note Using a PCB Copper Trace as a Current-Sense Shunt Resistor PDF | HTML 25 ene 2022
Application brief Integrating the Current Sensing Signal Path (Rev. B) PDF | HTML 29 sep 2021
Circuit design Low-Drift, Low-Side, Bidirectional Current Sensing Circuit (Rev. A) PDF | HTML 02 dic 2020
Application brief Precision, Low-Side Current Measurement (Rev. B) 06 mar 2019
Application brief External current sense amps vs integrated onboard amplifiers for current sensing (Rev. B) 19 feb 2019
Application note Closed-Loop Analysis of Load-Induced Amplifier Stability Issues Using Zout 27 oct 2017
Application brief Low-Side Current Sense Circuit Integration 30 mar 2017
More literature Over-Current Detection Products Brochure 14 ago 2014

Pedidos y calidad

Información incluida:
  • RoHS
  • REACH
  • Marcado del dispositivo
  • Acabado de plomo/material de la bola
  • Clasificación de nivel de sensibilidad a la humedad (MSL)/reflujo máximo
  • Estimaciones de tiempo medio entre fallas (MTBF)/fallas en el tiempo (FIT)
  • Contenido del material
  • Resumen de calificaciones
  • Monitoreo continuo de confiabilidad
Información incluida:
  • Lugar de fabricación
  • Lugar de ensamblaje

Soporte y capacitación

Foros de TI E2E™ con asistencia técnica de los ingenieros de TI

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