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Amplificadores operacionales (op amps)
Amplificadores operacionales de alta velocidad (GBW ≥ 50 MHz)

OPA810

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Amplificador operacional RRIO con entrada a FET de 27 V, 140 MHz único y alto rendimiento

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OPA810

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Detalles del producto

Architecture FET / CMOS Input, Voltage FB Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 4.75 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 27 GBW (typ) (MHz) 70 BW at Acl (MHz) 140 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 200 Vn at flatband (typ) (nV√Hz) 6.3 Vn at 1 kHz (typ) (nV√Hz) 9.5 Iq per channel (typ) (mA) 3.7 Vos (offset voltage at 25°C) (max) (mV) 0.5 Rail-to-rail In, Out Features C-Load Drive Rating Catalog Operating temperature range (°C) -40 to 125 CMRR (typ) (dB) 100 Input bias current (max) (pA) 20 Offset drift (typ) (µV/°C) 2.5 Iout (typ) (mA) 75 2nd harmonic (dBc) 101 3rd harmonic (dBc) 101 Frequency of harmonic distortion measurement (MHz) 1
Architecture FET / CMOS Input, Voltage FB Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 4.75 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 27 GBW (typ) (MHz) 70 BW at Acl (MHz) 140 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 200 Vn at flatband (typ) (nV√Hz) 6.3 Vn at 1 kHz (typ) (nV√Hz) 9.5 Iq per channel (typ) (mA) 3.7 Vos (offset voltage at 25°C) (max) (mV) 0.5 Rail-to-rail In, Out Features C-Load Drive Rating Catalog Operating temperature range (°C) -40 to 125 CMRR (typ) (dB) 100 Input bias current (max) (pA) 20 Offset drift (typ) (µV/°C) 2.5 Iout (typ) (mA) 75 2nd harmonic (dBc) 101 3rd harmonic (dBc) 101 Frequency of harmonic distortion measurement (MHz) 1
SOIC (D) 8 29.4 mm² 4.9 x 6 SOT-23 (DBV) 5 8.12 mm² 2.9 x 2.8 SOT-SC70 (DCK) 5 4.2 mm² 2 x 2.1
  • Gain-bandwidth product: 70MHz
  • Small-signal bandwidth: 140MHz
  • Slew rate: 200V/µs
  • Wide supply range: 4.75V to 27V
  • Low noise:
    • Input voltage noise: 6.3nV/√Hz (f = 500kHz)
    • Input current noise: 5fA/√Hz (f = 10kHz)
  • Rail-to-rail input and output:
    • FET input stage: 2pA input bias current (typical)
    • High linear output current: 75mA
  • Input offset: ±500µV (maximum)
  • Offset drift: ±2.5µV/°C (typical)
  • Low power: 3.7mA/channel
  • Extended temperature range: –40°C to +125°C
  • Dual-channel version: OPA2810
  • Gain-bandwidth product: 70MHz
  • Small-signal bandwidth: 140MHz
  • Slew rate: 200V/µs
  • Wide supply range: 4.75V to 27V
  • Low noise:
    • Input voltage noise: 6.3nV/√Hz (f = 500kHz)
    • Input current noise: 5fA/√Hz (f = 10kHz)
  • Rail-to-rail input and output:
    • FET input stage: 2pA input bias current (typical)
    • High linear output current: 75mA
  • Input offset: ±500µV (maximum)
  • Offset drift: ±2.5µV/°C (typical)
  • Low power: 3.7mA/channel
  • Extended temperature range: –40°C to +125°C
  • Dual-channel version: OPA2810

The OPA810 is a single-channel, field-effect transistor (FET) input, voltage-feedback operational amplifier with bias current in the picoampere (pA) range. The OPA810 is unity-gain stable with a small-signal, unity-gain bandwidth of 140MHz, and offers excellent dc precision and dynamic ac performance at a low quiescent current (IQ) of 3.7mA per channel. The OPA810 is fabricated on Texas Instruments’ proprietary, high-speed SiGe BiCMOS process and achieves significant performance improvements over comparable FET-input amplifiers at similar levels of quiescent power. With a gain-bandwidth product (GBWP) of 70MHz, slew rate of 200V/µs, and low-noise voltage of 6.3nV/√Hz, the OPA810 is designed for use in a wide range of high-fidelity data-acquisition and signal-processing applications.

The OPA810 features rail-to-rail inputs and outputs, and delivers 75mA of linear output current designed to drive optoelectronic components and analog-to-digital converter (ADC) inputs or buffer digital-to-analog converter (DAC) outputs into heavy loads.

The OPA810 is specified over the extended industrial temperature range of –40°C to +125°C. The OPA2810 is a dual-channel variant of the OPA810, available in 8-pin SOIC, SOT-23, and VSSOP packages.

The OPA810 is a single-channel, field-effect transistor (FET) input, voltage-feedback operational amplifier with bias current in the picoampere (pA) range. The OPA810 is unity-gain stable with a small-signal, unity-gain bandwidth of 140MHz, and offers excellent dc precision and dynamic ac performance at a low quiescent current (IQ) of 3.7mA per channel. The OPA810 is fabricated on Texas Instruments’ proprietary, high-speed SiGe BiCMOS process and achieves significant performance improvements over comparable FET-input amplifiers at similar levels of quiescent power. With a gain-bandwidth product (GBWP) of 70MHz, slew rate of 200V/µs, and low-noise voltage of 6.3nV/√Hz, the OPA810 is designed for use in a wide range of high-fidelity data-acquisition and signal-processing applications.

The OPA810 features rail-to-rail inputs and outputs, and delivers 75mA of linear output current designed to drive optoelectronic components and analog-to-digital converter (ADC) inputs or buffer digital-to-analog converter (DAC) outputs into heavy loads.

The OPA810 is specified over the extended industrial temperature range of –40°C to +125°C. The OPA2810 is a dual-channel variant of the OPA810, available in 8-pin SOIC, SOT-23, and VSSOP packages.
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Documentación técnica

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Documentación principal Tipo Título Opciones de formato Fecha
* Data sheet OPA810 140MHz, Rail-to-Rail Input and Output, FET-Input Operational Amplifier datasheet (Rev. E) PDF | HTML 28 ago 2024
Product overview High Speed Amplifiers for In-Vitro Diagnostics (IVD) Analog Front End PDF | HTML 10 abr 2025
Design guide LCR Meter Analog Front-End Reference Design (Rev. B) PDF | HTML 21 dic 2021
Application brief Optimizing LCR Meter Front-End Design for Accurate Impedance Measurements PDF | HTML 20 ene 2021
Design guide Cascaded high-gain active LPF reference design for high-impedance applications (Rev. B) PDF | HTML 26 sep 2019
Application note Noise Analysis for High Speed Op Amps (Rev. A) 17 ene 2005

Diseño y desarrollo

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Placa de evaluación

DEM-OPA-SO-1A — Módulo de evaluación de amplificador operacional simple para encapsulado SO-8

The DEM-OPA-SO-1A demonstration fixture helps designers evaluate the operation and performance of TI's High Speed, Wide Bandwidth Operational Amplifiers. This unpopulated PC board is compatible with products offered in the 8-lead SOIC (D) package.

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Modelo de simulación

Impedance Spectroscopy TINA-TI Reference Design (Differential)

SBOMBM0.TSC (94 KB) - TINA-TI Reference Design
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Modelo de simulación

OPA810 PSpice Model (Rev. A)

SBOMB73A.ZIP (25 KB) - PSpice Model
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TINA-TI Reference Circuit (Rev. B)

SBOMB00B.TSC (3670 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 (...)

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VOLT-DIVIDER-CALC — Voltage divider calculation tool

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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 (...)
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SOIC (D) 8 Ultra Librarian
SOT-23 (DBV) 5 Ultra Librarian
SOT-SC70 (DCK) 5 Ultra Librarian
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Pedidos y calidad

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  • Estimaciones de tiempo medio entre fallas (MTBF)/fallas en el tiempo (FIT)
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