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Product details

Parameters

Architecture Current FB Number of channels (#) 1 Total supply voltage (Min) (+5V=5, +/-5V=10) 10 Total supply voltage (Max) (+5V=5, +/-5V=10) 30 GBW (Typ) (MHz) 235 BW @ Acl (MHz) 235 Acl, min spec gain (V/V) 1 Slew rate (Typ) (V/us) 7300 Vn at flatband (Typ) (nV/rtHz) 2 Vn at 1 kHz (Typ) (nV/rtHz) 2 Iq per channel (Typ) (mA) 9.5 Vos (offset voltage @ 25 C) (Max) (mV) 3 Rail-to-rail No Features Shutdown Rating Catalog Operating temperature range (C) -40 to 85 CMRR (Typ) (dB) 69 Input bias current (Max) (pA) 15000000 Offset drift (Typ) (uV/C) 10 Output current (Typ) (mA) 250 2nd harmonic (dBc) 66 3rd harmonic (dBc) 74 @ MHz 10 open-in-new Find other High-speed op amps (GBW>=50MHz)

Package | Pins | Size

HSOIC (DDA) 8 19 mm² 3.90 x 4.90 SOIC (D) 8 19 mm² 3.91 x 4.9 open-in-new Find other High-speed op amps (GBW>=50MHz)

Features

  • Low Distortion
    • 77-dBc HD2 at 10 MHz, RL = 1 kΩ
    • 69-dBc HD3 at 10 MHz, RL = 1 kΩ
  • Low Noise
    • 14-pA/√Hz Noninverting Current Noise
    • 17-pA/√Hz Inverting Current Noise
    • 2-nV/√Hz Voltage Noise
  • High Slew Rate: 7300 V/µs (G = 5, VO = 20 VPP)
  • Wide Bandwidth: 210 MHz (G = 2, RL = 100 Ω)
  • High Output Current Drive: ±250 mA
  • Wide Supply Range: ±5 V to ±15 V
  • Power-Down Feature: THS3095 Only
open-in-new Find other High-speed op amps (GBW>=50MHz)

Description

The THS3091 and THS3095 are high-voltage, low-distortion, high-speed, current-feedback amplifier designed to operate over a wide supply range of ±5 V to ±15 V for applications requiring large, linear output signals such as Pin, Power FET, and VDSL line drivers.

The THS3095 features a power-down pin (PD) that puts the amplifier in low power standby mode, and lowers the quiescent current from 9.5 mA to 500 µA.

The wide supply range combined with total harmonic distortion as low as –69 dBc at 10 MHz, in addition, to the high slew rate of 7300 V/µs makes the THS309x ideally suited for high-voltage arbitrary waveform driver applications. Moreover, having the ability to handle large voltage swings driving into high-resistance and high-capacitance loads while maintaining good settling time performance makes the devices ideal for Pin driver and Power FET driver applications.

The THS3091 and THS3095 are offered in an 8-pin SOIC (D), and the 8-pin SOIC (DDA) packages with PowerPAD™.

open-in-new Find other High-speed op amps (GBW>=50MHz)
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THS3491 ACTIVE 900-MHz, High Power Output, Current Feedback Amplifier This device is a current feedback amplifier with higher bandwidth (900MHz) and higher output current drive (420mA)

Technical documentation

= Top documentation for this product selected by TI
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Type Title Date
* Datasheet THS309x High-voltage, Low-distortion, Current-feedback Operational Amplifiers datasheet (Rev. H) Dec. 31, 2015
Technical articles How to reduce distortion in high-voltage, high-frequency signal generation for AWGs Oct. 30, 2018
Application notes Q3 2009 Issue Analog Applications Journal Sep. 24, 2018
Application notes Q4 2009 Issue Analog Applications Journal Sep. 24, 2018
Technical articles What are the advantages of using JFET-input amplifiers in high-speed applications? Jun. 18, 2018
Technical articles Unique active mux capability combines buffer and switch into one solution Oct. 10, 2017
White papers The Signal e-book: A compendium of blog posts on op amp design topics Mar. 28, 2017
Technical articles How to minimize filter loss when you drive an ADC Oct. 20, 2016
Application notes Design for a Wideband Differential Transimpedance DAC Output (Rev. A) Oct. 17, 2016
User guides TSW3070EVM: Amplifier Interface to Current Sink DAC - (Rev. A) May 23, 2016
User guides Wide-Bandwidth and High-Voltage Arbitrary Waveform Generator Front End Sep. 03, 2013
More literature 600-mA Fully Integrated Step-Down Solution: Compact Power - TPS82671 (Rev. A) Jan. 20, 2011
Application notes Design of Differential Filters for High-Speed Signal Chains (Rev. B) Apr. 30, 2010
Application notes Interfacing op amps to high-speed DACs, Part 2: Current-sourcing DACs Oct. 04, 2009
Application notes Interfacing op amps to high-speed DACs, Part 1: Current-sinking DACs Jul. 14, 2009
Application notes Design for a Wideband Differential Transimpedance DAC Output Apr. 18, 2008
Application notes Designing for low distortion with high-speed op amps Mar. 02, 2005
Application notes Noise Analysis for High Speed Op Amps (Rev. A) Jan. 17, 2005
Application notes Stabilizing Current-Feedback Op Amps While Optimizing Circuit Performance Apr. 28, 2004
Application notes Voltage Feedback vs. Current Feedback Op Amps Nov. 30, 1998

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Hardware development

EVALUATION BOARDS Download
49
Description

The THS3095 evaluation module (EVM) User's Guide is included within the Datasheet.

The THS3095EVM provides a platform for evaluating the THS3095 high-voltage, low distortion, high speed. current-feedback amplifier. The user needs only power, input signal, and test instrument to operate the EVM.

(...)

Features
  • Unity gain stable
  • Adjustable for inverting and non-inverting gain configurations
  • SMA connectors on input and output ports
  • 50 ohm input and output impedance matching
  • Supply voltage range:
    • Single supply +10V to +30V
    • Split supply +/-5.0 to +/-15.0V
  • Power supply via banana jack connectors
  • Ferrite beads on the (...)

Design tools & simulation

SIMULATION MODELS Download
SLOM143A.ZIP (84 KB) - PSpice Model
SIMULATION MODELS Download
SLOM144A.ZIP (5 KB) - TINA-TI Spice Model
SIMULATION MODELS Download
SLOM145A.TSC (17 KB) - TINA-TI Reference Design
SIMULATION TOOLS Download
PSpice® for TI design and simulation tool
PSPICE-FOR-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 (...)
Features
  • Leverages Cadence PSpice Technology
  • Preinstalled library with a suite of digital models to enable worst-case timing analysis
  • Dynamic updates ensure you have access to most current device models
  • Optimized for simulation speed without loss of accuracy
  • Supports simultaneous analysis of multiple products
  • (...)
SIMULATION TOOLS Download
SPICE-based analog simulation program
TINA-TI 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 (...)
document-generic User guide
CALCULATION TOOLS Download
Analog engineer's calculator
ANALOG-ENGINEER-CALC — 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 op-amp gain with feedback (...)
Features
  • Expedites circuit design with analog-to-digital converters (ADCs) and digital-to-analog converters (DACs)
    • Noise calculations
    • Common unit translation
  • Solves common amplifier circuit design problems
    • Gain selections using standard resistors
    • Filter configurations
    • Total noise for common amplifier configurations
  • (...)
CALCULATION TOOLS Download
Voltage Divider Determines A Set of Resistors for a Voltage Divider
VOLT-DIVIDER-CALC VOLT-DIVIDER-CALC quickly determines a set of resistors for a voltage divider. This KnowledgeBase Javascript utility can be used to find a set of resistors for a voltage divider to achieve the desired output voltage. This calculator can also be used to design non-inverting attentuation circuits.

(...)

Reference designs

REFERENCE DESIGNS Download
Ultrasonic Flow Transmitter Reference Design
TIDA-01486 — This reference design features an ultrasonic flow transmitter that is able to measure water flow in the large pipes used in the process industry. The reference design can drive four different Piezo transducers with up to 2 MHz ±12-V pulses and amplify the ultrasonic signal received from these (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Wide-Bandwidth and High-Voltage Arbitrary Waveform Generator Front End
TIDA-00075 This design shows how to use an active interface with the current sink output of the DAC5682Z - typical applications for this include front ends for arbitrary waveform generators. The EVM includes the DAC5682Z for digital-to-analog conversion, an OPA695 to demonstrate an active interface (...)
document-generic Schematic document-generic User guide

CAD/CAE symbols

Package Pins Download
SO PowerPAD (DDA) 8 View options
SOIC (D) 8 View options

Ordering & quality

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