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

LMH6639

ACTIVO

Amplificador de 190 MHz con salida de carril a carril y desactivación

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LMH6639

ACTIVO
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Detalles del producto

Architecture Voltage FB Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 3 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 12 GBW (typ) (MHz) 86 BW at Acl (MHz) 228 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 200 Vn at flatband (typ) (nV√Hz) 16 Vn at 1 kHz (typ) (nV√Hz) 16 Iq per channel (typ) (mA) 4.18 Vos (offset voltage at 25°C) (max) (mV) 5 Rail-to-rail In to V-, Out Features Shutdown Rating Catalog Operating temperature range (°C) -40 to 85 CMRR (typ) (dB) 95 Input bias current (max) (pA) 2600000 Offset drift (typ) (µV/°C) 8 Iout (typ) (mA) 168 2nd harmonic (dBc) 65 3rd harmonic (dBc) 62 Frequency of harmonic distortion measurement (MHz) 5
Architecture Voltage FB Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 3 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 12 GBW (typ) (MHz) 86 BW at Acl (MHz) 228 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 200 Vn at flatband (typ) (nV√Hz) 16 Vn at 1 kHz (typ) (nV√Hz) 16 Iq per channel (typ) (mA) 4.18 Vos (offset voltage at 25°C) (max) (mV) 5 Rail-to-rail In to V-, Out Features Shutdown Rating Catalog Operating temperature range (°C) -40 to 85 CMRR (typ) (dB) 95 Input bias current (max) (pA) 2600000 Offset drift (typ) (µV/°C) 8 Iout (typ) (mA) 168 2nd harmonic (dBc) 65 3rd harmonic (dBc) 62 Frequency of harmonic distortion measurement (MHz) 5
SOIC (D) 8 29.4 mm² 4.9 x 6 SOT-23 (DBV) 6 8.12 mm² 2.9 x 2.8
  • (VS = 5V, Typical Values Unless Specified)
  • Supply Current (No Load) 3.6mA
  • Supply Current (Off Mode) 400μA
  • Output Resistance (Closed Loop 1MHz) 0.186Ω
  • −3dB BW (AV = 1) 190MHz
  • Settling Time 33nsec
  • Input Common Mode Voltage −0.2V to 4V
  • Output Voltage Swing 40mV from Rails
  • Linear Output Current 110mA
  • Total Harmonic Distortion −60dBc
  • Fully Characterized for 3V, 5V and ±5V
  • No Output Phase Reversal with CMVR Exceeded
  • Excellent Overdrive Recovery
  • Off Isolation 1MHz −70dB
  • Differential Gain 0.12%
  • Differential Phase 0.045°

All trademarks are the property of their respective owners.

  • (VS = 5V, Typical Values Unless Specified)
  • Supply Current (No Load) 3.6mA
  • Supply Current (Off Mode) 400μA
  • Output Resistance (Closed Loop 1MHz) 0.186Ω
  • −3dB BW (AV = 1) 190MHz
  • Settling Time 33nsec
  • Input Common Mode Voltage −0.2V to 4V
  • Output Voltage Swing 40mV from Rails
  • Linear Output Current 110mA
  • Total Harmonic Distortion −60dBc
  • Fully Characterized for 3V, 5V and ±5V
  • No Output Phase Reversal with CMVR Exceeded
  • Excellent Overdrive Recovery
  • Off Isolation 1MHz −70dB
  • Differential Gain 0.12%
  • Differential Phase 0.045°

All trademarks are the property of their respective owners.

The LMH6639 is a voltage feedback operational amplifier with a rail-to-rail output drive capability of 110mA. Employing TI’s patented VIP10 process, the LMH6639 delivers a bandwidth of 190MHz at a current consumption of only 3.6mA. An input common mode voltage range extending to 0.2V below the V− and to within 1V of V+, makes the LMH6639 a true single supply op-amp. The output voltage range extends to within 30mV of either supply rail providing the user with a dynamic range that is especially desirable in low voltage applications.

The LMH6639 offers a slew rate of 172V/μs resulting in a full power bandwidth of approximately 28MHz. The LMH6639 also offers protection for the input transistors by using two anti-parallel diodes and a series resistor connected across the inputs. The TON value of 83nsec combined with a settling time of 33nsec makes this device ideally suited for multiplexing applications (see application note for details). Careful attention has been paid to ensure device stability under all operating voltages and modes. The result is a very well behaved frequency response characteristic for any gain setting including +1, and excellent specifications for driving video cables including harmonic distortion of −60dBc, differential gain of 0.12% and differential phase of 0.045°

The LMH6639 is a voltage feedback operational amplifier with a rail-to-rail output drive capability of 110mA. Employing TI’s patented VIP10 process, the LMH6639 delivers a bandwidth of 190MHz at a current consumption of only 3.6mA. An input common mode voltage range extending to 0.2V below the V− and to within 1V of V+, makes the LMH6639 a true single supply op-amp. The output voltage range extends to within 30mV of either supply rail providing the user with a dynamic range that is especially desirable in low voltage applications.

The LMH6639 offers a slew rate of 172V/μs resulting in a full power bandwidth of approximately 28MHz. The LMH6639 also offers protection for the input transistors by using two anti-parallel diodes and a series resistor connected across the inputs. The TON value of 83nsec combined with a settling time of 33nsec makes this device ideally suited for multiplexing applications (see application note for details). Careful attention has been paid to ensure device stability under all operating voltages and modes. The result is a very well behaved frequency response characteristic for any gain setting including +1, and excellent specifications for driving video cables including harmonic distortion of −60dBc, differential gain of 0.12% and differential phase of 0.045°
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Documentación técnica

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Tipo Título Fecha
* Data sheet LMH6639 190MHz Rail-to-Rail Output Amplifier with Disable datasheet (Rev. G) 15 mar 2013
E-book The Signal e-book: A compendium of blog posts on op amp design topics 28 mar 2017
More literature Die D/S LMH6639 MDC 190Mhz Rail-Rail Output Amplifier With Disable 28 sep 2012

Diseño y desarrollo

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Placa de evaluación

LMH730216 — Placa de evaluación para amplificador operacional simple de alta velocidad en encapsulado SOT-23 de

Texas Instruments offers this unpopulated Evaluation Board to aid in the evaluation and testing of high-speed Op Amps that are offered in the 5-/6-pin SOT-23 package. Resistors, capacitors, or any other surface-mount components can be easily mounted on this board in the desired circuit (...)

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Placa de evaluación

LMH730227 — Placa de evaluación para amplificador operacional simple de alta velocidad en encapsulado SOIC de 8

Texas Instruments offers this unpopulated Evaluation Board to aid in the evaluation and testing of high-speed Op Amp that are offered in the 8-Pin SOIC package. Resistors, capacitors, or any other surface-mount components can be easily mounted on this board in the desired circuit configuration. The (...)

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Modelo de simulación

LMH6639 PSPICE Model

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Herramienta de cálculo

ANALOG-ENGINEER-CALC — Calculadora para ingenieros analógicos

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® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
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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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