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INA2332

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Amplificadores de instrumentación CMOS de alimentación única y baja potencia

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INA2332

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Detalles del producto

Number of channels 2 Vs (max) (V) 5.5 Vs (min) (V) 2.5 Input offset (±) (max) (µV) 8000 Voltage gain (min) (V/V) 5 Voltage gain (max) (V/V) 1000 Noise at 1 kHz (typ) (nV√Hz) 46 Features Cost Optimized, Shutdown CMRR (min) (dB) 60 Input bias current (±) (max) (nA) 0.01 Iq (typ) (mA) 0.415 Bandwidth at min gain (typ) (MHz) 2 Gain error (±) (max) (%) 0.4 Operating temperature range (°C) -55 to 125 Rating Catalog Type Resistor Gain nonlinearity (±) (max) (%) 0.01 Output swing headroom (to negative supply) (typ) (V) 0.025 Output swing headroom (to positive supply) (typ) (V) -0.025 Input common mode headroom (to negative supply) (typ) (V) 0.55 Input common mode headroom (to positive supply) (typ) (V) -1.7 Noise at 0.1 Hz to 10 Hz (typ) (µVPP) 7
Number of channels 2 Vs (max) (V) 5.5 Vs (min) (V) 2.5 Input offset (±) (max) (µV) 8000 Voltage gain (min) (V/V) 5 Voltage gain (max) (V/V) 1000 Noise at 1 kHz (typ) (nV√Hz) 46 Features Cost Optimized, Shutdown CMRR (min) (dB) 60 Input bias current (±) (max) (nA) 0.01 Iq (typ) (mA) 0.415 Bandwidth at min gain (typ) (MHz) 2 Gain error (±) (max) (%) 0.4 Operating temperature range (°C) -55 to 125 Rating Catalog Type Resistor Gain nonlinearity (±) (max) (%) 0.01 Output swing headroom (to negative supply) (typ) (V) 0.025 Output swing headroom (to positive supply) (typ) (V) -0.025 Input common mode headroom (to negative supply) (typ) (V) 0.55 Input common mode headroom (to positive supply) (typ) (V) -1.7 Noise at 0.1 Hz to 10 Hz (typ) (µVPP) 7
TSSOP (PW) 14 32 mm² 5 x 6.4
  • DESIGNED FOR LOW COST
  • HIGH GAIN ACCURACY: G = 5, 0.07%, 2ppm/°C
  • GAIN SET WITH EXT. RESISTORS FOR >5V/V
  • HIGH CMRR: 73dB DC, 50dB at 45kHz
  • LOW BIAS CURRENT: 0.5pA
  • BANDWIDTH,SLEW RATE: 2.0MHz, 5V/µs
  • RAIL-TO-RAIL OUTPUT SWING: (V+)– 0.02V
  • WIDE TEMPERATURE RANGE: –55°C to +125°C
  • LOW QUIESCENT CURRENT: 490 µA max/chan
  • SHUT DOWN: 0.01 µA
  • MSOP-8 SINGLE AND TSSOP-14 DUAL PACKAGES
  • APPLICATIONS
    • INDUSTRIAL SENSOR AMPLIFIERS:
        Bridge, RTD, Thermocouple, Position
    • PHYSIOLOGICAL AMPLIFIERS: ECG, EEG, EMG
    • A/D CONVERTER SIGNAL CONDITIONING
    • DIFFERENTIAL LINE RECEIVERS WITH GAIN
    • FIELD UTILITY METERS
    • PCMCIA CARDS
    • AUDIO AMPLIFIERS
    • COMMUNICATION SYSTEMS
    • TEST EQUIPMENT
    • AUTOMOTIVE INSTRUMENTATION

All trademarks are the property of their respective owners.
  • DESIGNED FOR LOW COST
  • HIGH GAIN ACCURACY: G = 5, 0.07%, 2ppm/°C
  • GAIN SET WITH EXT. RESISTORS FOR >5V/V
  • HIGH CMRR: 73dB DC, 50dB at 45kHz
  • LOW BIAS CURRENT: 0.5pA
  • BANDWIDTH,SLEW RATE: 2.0MHz, 5V/µs
  • RAIL-TO-RAIL OUTPUT SWING: (V+)– 0.02V
  • WIDE TEMPERATURE RANGE: –55°C to +125°C
  • LOW QUIESCENT CURRENT: 490 µA max/chan
  • SHUT DOWN: 0.01 µA
  • MSOP-8 SINGLE AND TSSOP-14 DUAL PACKAGES
  • APPLICATIONS
    • INDUSTRIAL SENSOR AMPLIFIERS:
        Bridge, RTD, Thermocouple, Position
    • PHYSIOLOGICAL AMPLIFIERS: ECG, EEG, EMG
    • A/D CONVERTER SIGNAL CONDITIONING
    • DIFFERENTIAL LINE RECEIVERS WITH GAIN
    • FIELD UTILITY METERS
    • PCMCIA CARDS
    • AUDIO AMPLIFIERS
    • COMMUNICATION SYSTEMS
    • TEST EQUIPMENT
    • AUTOMOTIVE INSTRUMENTATION

All trademarks are the property of their respective owners.

The INA332 and INA2332 are rail-to-rail output, low-power CMOS instrumentation amplifiers that offer wide range, single-supply, and bipolar-supply operation. Using a special manufacturing flow, the INA332 family provides the lowest cost available, while still achieving low-noise amplification of differential signals with low quiescent current of 415µA (dropping to 0.01µA when shutdown). Returning to normal operation within microseconds, this INA can be used for battery or multichannel applications.

Configured internally in a gain of 5V/V, the INA332 offers flexibility in higher gains by choosing external resistors.

The INA332 rejects line noise and its harmonics because common-mode error remains low even at higher frequencies.

High bandwidth and slew rate make the INA332 ideal for directly driving sampling Analog-to-Digital (A/D) converters as well as general-purpose applications.

With high precision, low cost, and small packages, the INA332 outperforms discrete designs.

Additionally, because they are specified for wide temperature range of –55°C to +125°C and operating range of –65°C to +150°C, the INA331 family can be used in demanding environments.

The INA332 and INA2332 are rail-to-rail output, low-power CMOS instrumentation amplifiers that offer wide range, single-supply, and bipolar-supply operation. Using a special manufacturing flow, the INA332 family provides the lowest cost available, while still achieving low-noise amplification of differential signals with low quiescent current of 415µA (dropping to 0.01µA when shutdown). Returning to normal operation within microseconds, this INA can be used for battery or multichannel applications.

Configured internally in a gain of 5V/V, the INA332 offers flexibility in higher gains by choosing external resistors.

The INA332 rejects line noise and its harmonics because common-mode error remains low even at higher frequencies.

High bandwidth and slew rate make the INA332 ideal for directly driving sampling Analog-to-Digital (A/D) converters as well as general-purpose applications.

With high precision, low cost, and small packages, the INA332 outperforms discrete designs.

Additionally, because they are specified for wide temperature range of –55°C to +125°C and operating range of –65°C to +150°C, the INA331 family can be used in demanding environments.
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Documentación técnica

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Documentación principal Tipo Título Opciones de formato Fecha
* Data sheet INA332, INA2332 Low-Power, Single-Supply, CMOS Instrumentation Amplifiers datasheet (Rev. B) 12 oct 2006
Application note Importance of Input Bias Current Return Paths in Instrumentation Amplifier Apps PDF | HTML 27 jul 2021
E-book The Signal e-book: A compendium of blog posts on op amp design topics 28 mar 2017

Diseño y desarrollo

Para conocer los términos adicionales o los recursos necesarios, haga clic en cualquier título de abajo para ver la página de detalles cuando esté disponible.

Modelo de simulación

INA332 PSpice Model (Rev. B)

SBOC015B.ZIP (24 KB) - PSpice Model
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Modelo de simulación

INA332 TINA-TI Reference Design (Rev. B)

SBOC174B.TSC (101 KB) - TINA-TI Reference Design
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Modelo de simulación

INA332 TINA-TI Spice Model (Rev. A)

SBOM253A.ZIP (9 KB) - TINA-TI Spice Model
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Herramienta de cálculo

ANALOG-ENGINEER-CALC — PC software analog engineer's calculator

The analog engineer’s calculator is designed to speed up many of the repetitive calculations that analog circuit design engineers use on a regular basis. This PC-based tool provides a graphical interface with a list of various common calculations ranging from setting operational-amplifier (...)

Productos y hardware compatibles

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Herramienta de simulación

PSPICE-FOR-TI — PSpice® para herramienta de diseño y simulación de TI

PSpice® para TI es un entorno de diseño y simulación que ayuda a evaluar la funcionalidad de los circuitos analógicos. Esta completa suite de diseño y simulación utiliza un motor de análisis analógico de Cadence®. Disponible sin ningún costo, PSpice para TI incluye una de las bibliotecas de modelos (...)
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TINA-TI — Programa de simulación analógica basado en SPICE

TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
Guía del usuario: PDF
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Encapsulado Pines Símbolos CAD, huellas y modelos 3D
TSSOP (PW) 14 Ultra Librarian
Se aplican los Términos y condiciones estándar de TI para los elementos de evaluación.

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
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  • Lugar de fabricación
  • Lugar de ensamblaje

Soporte y capacitación

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