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Amplificadores de ganancia programable y variable (PGA y VGA)

THS770012

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Amplificador de controlador ADC de diferencial completo de alta velocidad con ganancia seleccionable

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THS770012

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Detalles del producto

Features On chip gain resistors, Shutdown PGA/VGA PGA Number of channels 1 Vs (max) (V) 5 Vs (min) (V) 4.75 BW at Acl (MHz) 900 Acl, min spec gain (V/V) 4 Slew rate (typ) (V/µs) 3400 Iq per channel (typ) (mA) 100 Gain (max) (dB) 13.7 Rating Catalog Architecture Fully Differential ADC Driver Operating temperature range (°C) -40 to 85
Features On chip gain resistors, Shutdown PGA/VGA PGA Number of channels 1 Vs (max) (V) 5 Vs (min) (V) 4.75 BW at Acl (MHz) 900 Acl, min spec gain (V/V) 4 Slew rate (typ) (V/µs) 3400 Iq per channel (typ) (mA) 100 Gain (max) (dB) 13.7 Rating Catalog Architecture Fully Differential ADC Driver Operating temperature range (°C) -40 to 85
VQFN (RGE) 24 16 mm² 4 x 4
  • 900MHz Bandwidth at Gain of +10dB
  • 3300V/µs Slew Rate, VOUT = 2V step
  • Adjustable Gain: +10dB to +13.7dB
  • IMD3: –100dBc, VOUT = 2VPP, RL = 400Ω,
    f = 100MHz
  • OIP3: 47dBm, f = 100MHz
  • Noise Figure: 10.7 dB, f = 100MHz
  • 900MHz Bandwidth at Gain of +10dB
  • 3300V/µs Slew Rate, VOUT = 2V step
  • Adjustable Gain: +10dB to +13.7dB
  • IMD3: –100dBc, VOUT = 2VPP, RL = 400Ω,
    f = 100MHz
  • OIP3: 47dBm, f = 100MHz
  • Noise Figure: 10.7 dB, f = 100MHz

The THS770012 is a wideband, fully-differential amplifier, with adjustable gain range from +10dB to +13.7dB (with external components). It is designed and optimized specifically for driving 16-bit analog-to-digital converters (ADCs) at input frequencies up to 130MHz, and 14-bit ADCs at input frequencies up to 200MHz. This device provides high bandwidth, high-voltage output with low distortion and low noise, critical in high-speed data acquisition systems that require very high dynamic range, such as wireless base stations and test and measurement applications. This device also makes an excellent differential amplifier for general-purpose, high-speed differential signal chain and short line driver applications.

The THS770012 operates on a nominal +5V single supply, offers very fast, 7.5ns maximum recovery time from overdrive conditions, and has a power-down mode for power saving. The THS770012 is offered in a Pb-free (RoHS compliant) and green, QFN-24 thermally-enhanced package. It is characterized for operation over the industrial temperature range of –40°C to +85°C.

The THS770012 is a wideband, fully-differential amplifier, with adjustable gain range from +10dB to +13.7dB (with external components). It is designed and optimized specifically for driving 16-bit analog-to-digital converters (ADCs) at input frequencies up to 130MHz, and 14-bit ADCs at input frequencies up to 200MHz. This device provides high bandwidth, high-voltage output with low distortion and low noise, critical in high-speed data acquisition systems that require very high dynamic range, such as wireless base stations and test and measurement applications. This device also makes an excellent differential amplifier for general-purpose, high-speed differential signal chain and short line driver applications.

The THS770012 operates on a nominal +5V single supply, offers very fast, 7.5ns maximum recovery time from overdrive conditions, and has a power-down mode for power saving. The THS770012 is offered in a Pb-free (RoHS compliant) and green, QFN-24 thermally-enhanced package. It is characterized for operation over the industrial temperature range of –40°C to +85°C.
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Documentación técnica

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Tipo Título Fecha
* Data sheet Broadband, Fully Differential 14-/16-Bit ADC Driver Amplifier.. datasheet (Rev. C) 23 ene 2012
E-book The Signal e-book: A compendium of blog posts on op amp design topics 28 mar 2017
User guide TSW3725 Evaluation Module 25 oct 2011
Application note Noise Analysis for High Speed Op Amps (Rev. A) 17 ene 2005

Diseño y desarrollo

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Placa de evaluación

THS770012EVM — THS770012 Módulo de evaluación

The THS770012 evaluation module (EVM) is used for testing the performance of the THS770012 high-speed, fully differential, amplifier device. The THS770012EVM schematic is shown in the THS770012 datasheet. The THS770012EVM is configured to connect to standard 50Ω lab equipment to allow quick and (...)
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Modelo de simulación

THS770012 ADS Model

SLOJ180.ZIP (46 KB) - Spice Model
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Modelo de simulación

THS770012 PSpice Model

SLOM197.ZIP (19 KB) - PSpice Model
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Modelo de simulación

THS770012 TINA-TI Reference Design

SLOM196.TSC (99 KB) - TINA-TI Reference Design
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Modelo de simulación

THS770012 TINA-TI Spice Model

SLOM195.ZIP (18 KB) - TINA-TI Spice Model
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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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Paquete Pasadores Descargar
VQFN (RGE) 24 Ver opciones
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