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High-speed op amps (GBW ≥ 50 MHz)

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 (+5 V = 5, ±5 V = 10) (min) (V) 10 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 32 GBW (typ) (MHz) 305 BW at Acl (MHz) 715 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 6000 Vn at flatband (typ) (nV√Hz) 1.1 Vn at 1 kHz (typ) (nV√Hz) 1.3 Iq per channel (typ) (mA) 9.5 Vos (offset voltage at 25°C) (max) (mV) 2 Rail-to-rail No Features Shutdown Rating Catalog Operating temperature range (°C) -40 to 85 CMRR (typ) (dB) 78 Input bias current (max) (pA) 15000000 Offset drift (typ) (µV/°C) 19 Iout (typ) (mA) 310 2nd harmonic (dBc) 84 3rd harmonic (dBc) 99 Frequency of harmonic distortion measurement (MHz) 10
Architecture Current FB Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 10 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 32 GBW (typ) (MHz) 305 BW at Acl (MHz) 715 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 6000 Vn at flatband (typ) (nV√Hz) 1.1 Vn at 1 kHz (typ) (nV√Hz) 1.3 Iq per channel (typ) (mA) 9.5 Vos (offset voltage at 25°C) (max) (mV) 2 Rail-to-rail No Features Shutdown Rating Catalog Operating temperature range (°C) -40 to 85 CMRR (typ) (dB) 78 Input bias current (max) (pA) 15000000 Offset drift (typ) (µV/°C) 19 Iout (typ) (mA) 310 2nd harmonic (dBc) 84 3rd harmonic (dBc) 99 Frequency of harmonic distortion measurement (MHz) 10
HSOIC (DDA) 8 29.4 mm² (4.9 mm × 6 mm) SOIC (D) 8 29.4 mm² (4.9 mm × 6 mm)
  • Low distortion:
    • 84-dBc HD2 at 10 MHz, R L = 1 kΩ
    • 99-dBc HD3 at 10 MHz, R L = 1 kΩ
  • Low noise:
    • 15-pA/√ Hz noninverting current noise
    • 14-pA/√ Hz inverting current noise
    • 1.1-nV/√ Hz voltage noise
  • High slew rate: 6000 V/µs (G = 5, V O = 20 V PP)
  • Wide bandwidth: 305 MHz (G = 2, R L = 100 Ω)
  • High output current drive: ±310 mA
  • Wide supply range: ±5 V to ±16 V
  • Power-down feature: THS3095 only
  • Low distortion:
    • 84-dBc HD2 at 10 MHz, R L = 1 kΩ
    • 99-dBc HD3 at 10 MHz, R L = 1 kΩ
  • Low noise:
    • 15-pA/√ Hz noninverting current noise
    • 14-pA/√ Hz inverting current noise
    • 1.1-nV/√ Hz voltage noise
  • High slew rate: 6000 V/µs (G = 5, V O = 20 V PP)
  • Wide bandwidth: 305 MHz (G = 2, R L = 100 Ω)
  • High output current drive: ±310 mA
  • Wide supply range: ±5 V to ±16 V
  • Power-down feature: THS3095 only

The THS3091 and THS3095 (THS309x) are high-voltage, low-distortion, high-speed, current-feedback amplifiers that operate over a wide supply range of ±5 V to ±16 V. These devices are an excellent choice for applications that require large, linear output signals, such as pin drivers, power-FET drivers, and arbitrary waveform generators.

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

The wide, 32‑V supply range, 6000‑V/µs slew-rate, and 310‑mA output current drive make the THS309x an excellent choice for high-voltage arbitrary-waveform-driver applications. Moreover, with the ability to handle large voltage swings driving into low-resistance and high-capacitance loads while maintaining good settling time performance, these devices are an excellent choice for pin-driver and power-FET driver applications.

The THS309x are offered in an 8‑pin SOIC (DDA) PowerPAD™ integrated circuit package. The THS3091 is also offered in an 8‑pin HVSSOP (DGN) package.

The THS3091 and THS3095 (THS309x) are high-voltage, low-distortion, high-speed, current-feedback amplifiers that operate over a wide supply range of ±5 V to ±16 V. These devices are an excellent choice for applications that require large, linear output signals, such as pin drivers, power-FET drivers, and arbitrary waveform generators.

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

The wide, 32‑V supply range, 6000‑V/µs slew-rate, and 310‑mA output current drive make the THS309x an excellent choice for high-voltage arbitrary-waveform-driver applications. Moreover, with the ability to handle large voltage swings driving into low-resistance and high-capacitance loads while maintaining good settling time performance, these devices are an excellent choice for pin-driver and power-FET driver applications.

The THS309x are offered in an 8‑pin SOIC (DDA) PowerPAD™ integrated circuit package. The THS3091 is also offered in an 8‑pin HVSSOP (DGN) package.
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Technical documentation

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Top documentation Type Title Format options Date
* Data sheet THS309x High-Voltage, Low-Distortion, Current-Feedback Operational Amplifiers datasheet (Rev. K) PDF | HTML Apr 17, 2023
Technical article 3 common questions when designing with high-speed amplifiers PDF | HTML Jul 17, 2020
Analog design Journal Q3 2009 Issue Analog Applications Journal Sep 24, 2018
Analog design Journal Q4 2009 Issue Analog Applications Journal Sep 24, 2018
E-book The Signal e-book: A compendium of blog posts on op amp design topics PDF | HTML Mar 28, 2017
Application note Design for a Wideband Differential Transimpedance DAC Output (Rev. A) Oct 17, 2016
Design guide Wide-Bandwidth and High-Voltage Arbitrary Waveform Generator Front End Sep 3, 2013
More literature 600-mA Fully Integrated Step-Down Solution: Compact Power - TPS82671 (Rev. A) Jan 20, 2011
Application note Design of Differential Filters for High-Speed Signal Chains (Rev. B) Apr 30, 2010
Analog design Journal Interfacing op amps to high-speed DACs, Part 2: Current-sourcing DACs Oct 4, 2009
Analog design Journal Interfacing op amps to high-speed DACs, Part 1: Current-sinking DACs Jul 14, 2009
Analog design Journal Designing for low distortion with high-speed op amps Mar 2, 2005
Application note Stabilizing Current-Feedback Op Amps While Optimizing Circuit Performance Apr 28, 2004
Application note 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.

Evaluation board

THS3095EVM — THS3095 evaluation module for single, high-voltage low-distortion op amp with power down

The THS3095 evaluation module (EVM) 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.

Applications:

  • High-voltage arbitrary waveform
  • Power FET driver
  • (...)
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Simulation model

THS3095 PSpice Model (Rev. A)

SLOM143A.ZIP (84 KB) - PSpice model
Supported products & hardware
Simulation model

THS3095 TINA-TI Reference Design (Rev. A)

SLOM145A.TSC (17 KB) - TINA-TI reference design
Supported products & hardware
Simulation model

THS3095 TINA-TI Spice Model (Rev. A)

SLOM144A.ZIP (5 KB) - TINA-TI Spice model
Supported products & hardware
Reference design

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 (...)

Supported products & hardware
Reference design

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 (...)
Supported products & hardware
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HSOIC (DDA) 8 Ultra Librarian
SOIC (D) 8 Ultra Librarian
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