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Amplificadores de ganancia programable y variable (PGA y VGA)

THS7001

ACTIVO

Amplificador de ganancia programable de alta velocidad de 70 MHz

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THS7001

ACTIVO
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Detalles del producto

Features Digital Gain Set, Integrated Clamps, Shutdown PGA/VGA VGA Number of channels 1 Vs (max) (V) 32 Vs (min) (V) 9 BW at Acl (MHz) 100 Acl, min spec gain (V/V) 0.08 Slew rate (typ) (V/µs) 85 Iq per channel (typ) (mA) 7 Gain (max) (dB) 20 Rating Catalog Operating temperature range (°C) -40 to 85
Features Digital Gain Set, Integrated Clamps, Shutdown PGA/VGA VGA Number of channels 1 Vs (max) (V) 32 Vs (min) (V) 9 BW at Acl (MHz) 100 Acl, min spec gain (V/V) 0.08 Slew rate (typ) (V/µs) 85 Iq per channel (typ) (mA) 7 Gain (max) (dB) 20 Rating Catalog Operating temperature range (°C) -40 to 85
HTSSOP (PWP) 20 41.6 mm² 6.5 x 6.4
  • Separate Low Noise Preamp and PGA Stages
  • Shutdown Control
  • Preamp Features
    • Low Voltage Noise...1.7 nV/Hz
    • Accessible Output Pin for External Filtering
    • Voltage Feedback, Gmin = -1, 2
    • 100 MHz Bandwidth (-3 dB)
  • PGA Features
    • Digitally Programmable Gain
    • -22 dB to 20 dB Gain/Attenuation Range
    • 6 dB Step Resolution
    • Output Clamp Protection
    • 70 MHz Bandwidth (-3 dB)
    • 175 V/µs Slew Rate
  • Wide Supply Range ±4.5 V to ±16 V
  • PowerPAD™ Package for Enhanced Thermal Performance

PowerPAD is a trademark of Texas Instruments Incorporated.
  • Separate Low Noise Preamp and PGA Stages
  • Shutdown Control
  • Preamp Features
    • Low Voltage Noise...1.7 nV/Hz
    • Accessible Output Pin for External Filtering
    • Voltage Feedback, Gmin = -1, 2
    • 100 MHz Bandwidth (-3 dB)
  • PGA Features
    • Digitally Programmable Gain
    • -22 dB to 20 dB Gain/Attenuation Range
    • 6 dB Step Resolution
    • Output Clamp Protection
    • 70 MHz Bandwidth (-3 dB)
    • 175 V/µs Slew Rate
  • Wide Supply Range ±4.5 V to ±16 V
  • PowerPAD™ Package for Enhanced Thermal Performance

PowerPAD is a trademark of Texas Instruments Incorporated.

The THS7001 (single) and THS7002 (dual) are high-speed programmable-gain amplifiers, ideal for applications where load impedance can often vary. Each channel on this device consists of a separate low-noise input preamp and a programmable gain amplifier (PGA). The preamp is a voltage-feedback amplifier offering a low 1.7-nV/Hz voltage noise with a 100-MHz (-3 dB) bandwidth. The output pin of the preamp is accessible so that filters can be easily added to the amplifier.

The 3-bit digitally-controlled PGA provides a -22-dB to 20-dB attenuation/gain range with a 6-dB step resolution. In addition, the PGA provides both high and low output clamp protection to prevent the output signal from swinging outside the common-mode input range of an analog-to-digital converter. The PGA provides a wide 70-MHz (-3 dB) bandwidth, which remains relatively constant over the entire gain/attenuation range. Independent shutdown control is also provided for power conservation and multiplexing. These devices operate over a wide ±4.5-V to ±16-V supply voltage range.

The THS7001 (single) and THS7002 (dual) are high-speed programmable-gain amplifiers, ideal for applications where load impedance can often vary. Each channel on this device consists of a separate low-noise input preamp and a programmable gain amplifier (PGA). The preamp is a voltage-feedback amplifier offering a low 1.7-nV/Hz voltage noise with a 100-MHz (-3 dB) bandwidth. The output pin of the preamp is accessible so that filters can be easily added to the amplifier.

The 3-bit digitally-controlled PGA provides a -22-dB to 20-dB attenuation/gain range with a 6-dB step resolution. In addition, the PGA provides both high and low output clamp protection to prevent the output signal from swinging outside the common-mode input range of an analog-to-digital converter. The PGA provides a wide 70-MHz (-3 dB) bandwidth, which remains relatively constant over the entire gain/attenuation range. Independent shutdown control is also provided for power conservation and multiplexing. These devices operate over a wide ±4.5-V to ±16-V supply voltage range.
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Documentación técnica

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Tipo Título Fecha
* Data sheet 70-MHz Programmable-Gain Amplifiers datasheet (Rev. C) 15 mar 2007
E-book The Signal e-book: A compendium of blog posts on op amp design topics 28 mar 2017
Application note Noise Analysis for High Speed Op Amps (Rev. A) 17 ene 2005
User guide THS7001 Programmable-Gain Amplifier Evaluation Module User's Guide 03 dic 1999

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

THS7001 PGA TINA-TI Reference Design (Rev. B)

SLAC088B.TSC (114 KB) - TINA-TI Reference Design
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Modelo de simulación

THS7001 PGA TINA-TI Spice Model (Rev. A)

SLAM017A.ZIP (7 KB) - TINA-TI Spice Model
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Modelo de simulación

THS7001 PSpice Model (Rev. B)

SLOJ028B.ZIP (88 KB) - PSpice Model
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Modelo de simulación

THS7001 Preamp TINA-TI Reference Design (Rev. B)

SLAC089B.TSC (109 KB) - TINA-TI Reference Design
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Modelo de simulación

THS7001 Preamp TINA-TI Spice Model (Rev. A)

SLAM018A.ZIP (4 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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HTSSOP (PWP) 20 Ver opciones
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
Información incluida:
  • Lugar de fabricación
  • Lugar de ensamblaje

Soporte y capacitación

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