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THS4509

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Amplificador diferencial completo de banda ancha, bajo ruido, baja distorsión, de 1.9 GHz

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THS4509

ACTIVO
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Detalles del producto

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) 5.25 BW at Acl (MHz) 2000 Acl, min spec gain (V/V) 2 Slew rate (typ) (V/µs) 6600 Architecture Bipolar, Fully Differential ADC Driver Vn at flatband (typ) (nV√Hz) 1.9 Iq per channel (typ) (mA) 37.7 Rail-to-rail No Vos (offset voltage at 25°C) (max) (mV) 4 Operating temperature range (°C) -40 to 85 Iout (typ) (mA) 96 2nd harmonic (dBc) 104 3rd harmonic (dBc) 108 Frequency of harmonic distortion measurement (MHz) 10 GBW (typ) (MHz) 3000 Input bias current (max) (pA) 15500000 Features Decompensated, Shutdown CMRR (typ) (dB) 90 Rating Catalog
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) 5.25 BW at Acl (MHz) 2000 Acl, min spec gain (V/V) 2 Slew rate (typ) (V/µs) 6600 Architecture Bipolar, Fully Differential ADC Driver Vn at flatband (typ) (nV√Hz) 1.9 Iq per channel (typ) (mA) 37.7 Rail-to-rail No Vos (offset voltage at 25°C) (max) (mV) 4 Operating temperature range (°C) -40 to 85 Iout (typ) (mA) 96 2nd harmonic (dBc) 104 3rd harmonic (dBc) 108 Frequency of harmonic distortion measurement (MHz) 10 GBW (typ) (MHz) 3000 Input bias current (max) (pA) 15500000 Features Decompensated, Shutdown CMRR (typ) (dB) 90 Rating Catalog
VQFN (RGT) 16 9 mm² 3 x 3
  • Fully-Differential Architecture
  • Centered Input Common-Mode Range
  • Output Common-Mode Control
  • Minimum Gain of 2 V/V (6 dB)
  • Bandwidth: 1900 MHz
  • Slew Rate: 6600 V/µs
  • 1% Settling Time: 2 ns
  • HD2: –75 dBc at 100 MHz
  • HD3: –80 dBc at 100 MHz
  • OIP3: 37 dBm at 70 MHz
  • Input Voltage Noise: 1.9 nV/√Hz (f > 10 MHz)
  • Power-Supply Voltage: 3 V to 5 V
  • Power-Supply Current: 37.7 mA
  • Power-Down Current: 0.65 mA
  • APPLICATIONS
    • 5-V Data Acquisition Systems High Linearity ADC Amplifiers
    • Wireless Communication
    • Medical Imaging
    • Test and Measurement

All other trademarks are the property of their respective owners
  • Fully-Differential Architecture
  • Centered Input Common-Mode Range
  • Output Common-Mode Control
  • Minimum Gain of 2 V/V (6 dB)
  • Bandwidth: 1900 MHz
  • Slew Rate: 6600 V/µs
  • 1% Settling Time: 2 ns
  • HD2: –75 dBc at 100 MHz
  • HD3: –80 dBc at 100 MHz
  • OIP3: 37 dBm at 70 MHz
  • Input Voltage Noise: 1.9 nV/√Hz (f > 10 MHz)
  • Power-Supply Voltage: 3 V to 5 V
  • Power-Supply Current: 37.7 mA
  • Power-Down Current: 0.65 mA
  • APPLICATIONS
    • 5-V Data Acquisition Systems High Linearity ADC Amplifiers
    • Wireless Communication
    • Medical Imaging
    • Test and Measurement

All other trademarks are the property of their respective owners

The THS4509 device is a wideband, fully-differential op amp designed for 5-V data acquisition systems. It has a low noise at 1.9 nV/√Hz, and low harmonic distortion of –75 dBc HD2 and –80 dBc HD3 at 100 MHz with 2 VPP, G = 10 dB, and 1-kΩ load. Slew rate is high at 6600 V/µs, and with settling time of 2 ns to 1% (2-V step), it is ideal for pulsed applications. It is designed for a minimum gain of 6 dB, but is optimized for gains of 10 dB.

To allow for DC coupling to analog-to-digital converters (ADCs), its unique output common-mode control circuit maintains the output common-mode voltage within 3-mV offset (typical) from the set voltage, when set within 0.5-V of midsupply, with less than 4-mV differential offset voltage. The common-mode set point is set to midsupply by internal circuitry, which may be overdriven from an external source.

The input and output are optimized for best performance with the common-mode voltages set to midsupply. Along with high performance at low power-supply voltage, this design makes it ideal for high-performance, single-supply 5-V data acquisition systems. The combined performance of the THS4509 in a gain of 10 dB driving the ADS5500 ADC, sampling at 125 MSPS, is 81-dBc SFDR and 69.1-dBc SNR with a –1 dBFS signal at 70 MHz.

The THS4509 is offered in a quad, leadless VQFN-16 package (RGT), and is characterized for operation over the full industrial temperature range from –40°C to +85°C.

The THS4509 device is a wideband, fully-differential op amp designed for 5-V data acquisition systems. It has a low noise at 1.9 nV/√Hz, and low harmonic distortion of –75 dBc HD2 and –80 dBc HD3 at 100 MHz with 2 VPP, G = 10 dB, and 1-kΩ load. Slew rate is high at 6600 V/µs, and with settling time of 2 ns to 1% (2-V step), it is ideal for pulsed applications. It is designed for a minimum gain of 6 dB, but is optimized for gains of 10 dB.

To allow for DC coupling to analog-to-digital converters (ADCs), its unique output common-mode control circuit maintains the output common-mode voltage within 3-mV offset (typical) from the set voltage, when set within 0.5-V of midsupply, with less than 4-mV differential offset voltage. The common-mode set point is set to midsupply by internal circuitry, which may be overdriven from an external source.

The input and output are optimized for best performance with the common-mode voltages set to midsupply. Along with high performance at low power-supply voltage, this design makes it ideal for high-performance, single-supply 5-V data acquisition systems. The combined performance of the THS4509 in a gain of 10 dB driving the ADS5500 ADC, sampling at 125 MSPS, is 81-dBc SFDR and 69.1-dBc SNR with a –1 dBFS signal at 70 MHz.

The THS4509 is offered in a quad, leadless VQFN-16 package (RGT), and is characterized for operation over the full industrial temperature range from –40°C to +85°C.
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Documentación técnica

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Tipo Título Fecha
* Data sheet THS4509 Wideband, Low-Noise, Low-Distortion, Fully-Differential Amplifier datasheet (Rev. I) PDF | HTML 29 jul 2016
Product overview Pairing ADC Drivers With Fully-Differential Input ADCs for Wide Bandwidth Data Acquisition 01 abr 2024
Analog Design Journal Q3 2009 Issue Analog Applications Journal 24 sep 2018
Analog Design Journal Q4 2009 Issue Analog Applications Journal 24 sep 2018
E-book The Signal e-book: A compendium of blog posts on op amp design topics 28 mar 2017
Application note Design for a Wideband Differential Transimpedance DAC Output (Rev. A) 17 oct 2016
Application note Fully-Differential Amplifiers (Rev. E) 19 sep 2016
Application note Driving High-Speed ADCs: Circuit Topologies and System-Level Parameters (Rev. A) 10 sep 2010
Analog Design Journal Using fully differential op amps as attenuators, Part 3 04 oct 2009
Analog Design Journal Using fully differential op amps as attenuators, Part 2 14 jul 2009
Analog Design Journal Output impedance matching with fully differential operational amplifiers 11 mar 2009
Analog Design Journal Q1 2009 Issue Analog Applications Journal 11 mar 2009
Application note Design for a Wideband Differential Transimpedance DAC Output 18 abr 2008
Analog Design Journal Low-power, high-intercept interface to the ADS5424, 105-MSPS converter 10 oct 2005
Analog Design Journal Analysis of fully differential amplifiers 11 mar 2005
Analog Design Journal Fully differential amplifiers applications:Line termination,driving high-speed.. 02 mar 2005
Application note Noise Analysis for High Speed Op Amps (Rev. A) 17 ene 2005

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.

Placa de evaluación

THS4508EVM — THS4508 Módulo de evaluación

THS4508EVM is an evaluation Module for the RGT (16 pin leadless QFN) package.

The THS4508EVM is designed to demonstrate the functionality and versatility of the device. The EVM is ready for power, signal source, and test instruments. The EVM is configured for a gain of 10 dB and 50 ohm input and (...)

No disponible en TI.com
Placa de evaluación

THS4509EVM — THS4509 Módulo de evaluación

THS4509RGT Eval 1 EVM is an evaluation Module for the RGT (16 pin leadless QFN) package.

The THS4509RGT Eval 1 EVM is designed to demonstrate the functionality and versatility of the device. The EVM is ready for power, signal source, and test instruments. The EVM is configured for a gain of 10dB (...)

No disponible en TI.com
Placa de evaluación

THS4511EVM — THS4511 Módulo de evaluación

THS4511EVM is an evaluation Module for the RGT (16 pin leadless QFN) package.

The THS4511EVM is designed to demonstrate the functionality and versatility of the device. The EVM is ready for power, signal source, and test instruments. The EVM is configured for a gain of 0 dB and 50 ohm input and (...)

No disponible en TI.com
Placa de evaluación

THS4513EVM — THS4513 Módulo de evaluación

THS4513EVM is an evaluation Module for the RGT (16 pin leadless QFN) package.

The THS4513EVM is designed to demonstrate the functionality and versatility of the device. The EVM is ready for power, signal source, and test instruments. The EVM is configured for a gain of 0dB and 50 ohm input and (...)

No disponible en TI.com
Placa de evaluación

THS4520EVM — THS4520 Módulo de evaluación

THS4520EVM is an evaluation Module for the RGT (16 pin leadless QFN) package.

The THS4520EVM is designed to demonstrate the functionality and versatility of the device. The EVM is ready for power, signal source, and test instruments. The EVM is configured for a gain of 0 dB and 50 Ω (...)

No disponible en TI.com
Modelo de simulación

THS4509 PSpice Model (Rev. D)

SLOC050D.ZIP (55 KB) - PSpice Model
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Modelo de simulación

THS4509 TINA-TI Reference Design (Rev. B)

SLOM152B.TSC (53 KB) - TINA-TI Reference Design
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Modelo de simulación

THS4509 TINA-TI Spice Model (Rev. A)

SLOM151A.ZIP (5 KB) - TINA-TI Spice Model
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Herramienta de cálculo

SBOR022 — TI FDA Calculator

Productos y hardware compatibles

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Herramienta de simulación

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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Herramienta de simulación

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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Diseños de referencia

TIDA-00093 — Diseño de referencia de la optimización de THS4509 para impulsar el ADC de alta velocidad

This reference design shows the ability of the high-speed amplifier, THS4509 to perform single-ended to differential conversion to drive high-speed analog-to-digital converters (ADCs) while maintaining excellent noise and distortion performance. Performance versus input frequency is shown for both (...)
Design guide: PDF
Esquema: PDF
Diseños de referencia

TIDA-00092 — Optimización de LMH6554 para impulsar ADC de alta velocidad

This reference design shows the ability of the high-speed amplifier, LMH6554, to perform single-ended to differential conversion to drive high-speed analog-to-digital converters (ADCs) while maintaining excellent noise and distortion performance. Performance versus input frequency is shown for both (...)
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Esquema: PDF
Paquete Pasadores Descargar
VQFN (RGT) 16 Ver opciones
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