THS3091

HSOIC (DDA)

8

19 mm² 3.90 x 4.90

SOIC (D)

8

19 mm² 3.91 x 4.9

Low Distortion
- 77-dBc HD2 at 10 MHz, R_L = 1 kΩ
- 69-dBc HD3 at 10 MHz, R_L = 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, V_O = 20 V_PP)
Wide Bandwidth: 210 MHz (G = 2, R_L = 100 Ω)
High Output Current Drive: ±250 mA
Wide Supply Range: ±5 V to ±15 V
Power-Down Feature: THS3095 Only

Low Distortion
- 77-dBc HD2 at 10 MHz, R_L = 1 kΩ
- 69-dBc HD3 at 10 MHz, R_L = 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, V_O = 20 V_PP)
Wide Bandwidth: 210 MHz (G = 2, R_L = 100 Ω)
High Output Current Drive: ±250 mA
Wide Supply Range: ±5 V to ±15 V
Power-Down Feature: THS3095 Only

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™.

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™.

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Technical documentation

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	Type	Title	Date
*	Data sheet	THS309x High-voltage, Low-distortion, Current-feedback Operational Amplifiers datasheet (Rev. H)	31 Dec 2015
	Technical article	3 common questions when designing with high-speed amplifiers	17 Jul 2020
	Technical article	How to reduce distortion in high-voltage, high-frequency signal generation for AWGs	30 Oct 2018
	Technical article	What are the advantages of using JFET-input amplifiers in high-speed applications?	19 Jun 2018
	Technical article	Unique active mux capability combines buffer and switch into one solution	10 Oct 2017
	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
	User guide	TSW3070EVM: Amplifier Interface to Current Sink DAC - (Rev. A)	23 May 2016
	Application note	Wideband Complementary Current Output DAC Single-Ended Interface (Rev. A)	08 May 2015
	Application note	Load Sharing Concepts: Implementation for Large-Signal Applications	05 Oct 2011
	Application note	Large-Signal Specifications for High-Voltage Line Drivers	30 Jun 2011
	Application note	Wireline Data Transmission and Reception	27 Jan 2010
	Application note	Design for a Wideband Differential Transimpedance DAC Output	18 Apr 2008
	Analog design journal	Designing for low distortion with high-speed op amps	02 Mar 2005
	Application note	Noise Analysis for High Speed Op Amps (Rev. A)	17 Jan 2005
	Application note	Stabilizing Current-Feedback Op Amps While Optimizing Circuit Performance	28 Apr 2004
	Application note	Voltage Feedback vs. Current Feedback Op Amps	30 Nov 1998

Design & development

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

Evaluation board

THS3091EVM — THS3091 Evaluation Module

The THS3091 evaluation module (EVM) User's Guide is included within the Datasheet.

The THS3091EVM provides a platform for evaluating the THS3091 high-voltage, low distortion, high speed. current-feedback amplifier. The user needs only power, input signal, and test instrument to operate the EVM.

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Simulation model

THS3091 PSpice Model (Rev. B)

SLOJ173B.ZIP (108 KB) - PSpice Model

Simulation model

THS3091 TINA-TI Spice Model

SLOM418.ZIP (4 KB) - TINA-TI Spice Model

Simulation model

THS3091 TINA-TI Reference Design

SLOM419.TSC (2359 KB) - TINA-TI Reference Design

Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

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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Simulation tool

TINA-TI — SPICE-based analog simulation program

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 (...)

User guide

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Calculation tool

ANALOG-ENGINEER-CALC — Analog engineer's calculator

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 (...)

Calculation tool

VOLT-DIVIDER-CALC — Voltage Divider Determines A Set of Resistors for a Voltage Divider

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.

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参考设计

TIDA-00684 — High-Bandwidth Arbitrary Waveform Generator Reference Design: DC or AC coupled, High-Voltage output

In TIDA-00684 reference design a quad-channel TSW3080 evaluation module (EVM) is developed to shows how to use an active amplifier interface with the DAC38J84 to demonstrate an arbitrary-waveform-generator frontend. The DAC38J84 provides four DAC channels with 16 bits of resolution with a maximum (...)

Schematic

参考设计

TIDA-00075 — Wide-Bandwidth and High-Voltage Arbitrary Waveform Generator Front End

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 (...)

Schematic

参考设计

TIDA-00023 — Reference Design for Implementation of the Load Sharing Concept for Large-Signal Applications

Using the THS3091 high voltage, low distortion current-feedback op amp, this reference design showcases the technique and the benefits of configuring multiple op-amps in a load sharing configuration when driving high voltage signals into heavy loads. Supported by a full scale application (...)