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High-speed op amps (GBW>=50MHz)

THS3095

ACTIVE

Single- High-Voltage, Low Distortion, Current-Feedback Operational Amplifier with Power-down

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Data sheet

THS3095

ACTIVE
Data sheet Order now

Product details

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
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
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, 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
  • 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

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
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
EVM User's guide TSW3070EVM: Amplifier Interface to Current Sink DAC - (Rev. A) 23 May 2016
Design guide Wide-Bandwidth and High-Voltage Arbitrary Waveform Generator Front End 03 Sep 2013
More literature 600-mA Fully Integrated Step-Down Solution: Compact Power - TPS82671 (Rev. A) 20 Jan 2011
Application note Design of Differential Filters for High-Speed Signal Chains (Rev. B) 30 Apr 2010
Analog Design Journal Interfacing op amps to high-speed DACs, Part 2: Current-sourcing DACs 04 Oct 2009
Analog Design Journal Interfacing op amps to high-speed DACs, Part 1: Current-sinking DACs 14 Jul 2009
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

THS3095EVM — THS3095 Evaluation Module

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.

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Simulation model

THS3095 PSpice Model (Rev. A)

SLOM143A.ZIP (84 KB) - PSpice Model
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Simulation model

THS3095 TINA-TI Spice Model (Rev. A)

SLOM144A.ZIP (5 KB) - TINA-TI Spice Model
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Simulation model

THS3095 TINA-TI Reference Design (Rev. A)

SLOM145A.TSC (17 KB) - TINA-TI Reference Design
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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 (...)
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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 (...)
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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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Reference designs

TIDA-01486 — Ultrasonic Flow Transmitter Reference Design

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 (...)
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Reference designs

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

Ordering & quality

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