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High-speed op amps (GBW ≥ 50 MHz)

THS4032

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100-MHz, dual-channel low-noise voltage-feedback amplifier

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Data sheet

THS4032

ACTIVE
Data sheet Order now

Product details

Architecture Voltage FB Number of channels 2 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 10 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 30 GBW (typ) (MHz) 120 BW at Acl (MHz) 100 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 100 Vn at flatband (typ) (nV√Hz) 1.6 Vn at 1 kHz (typ) (nV√Hz) 1.6 Iq per channel (typ) (mA) 8.5 Vos (offset voltage at 25°C) (max) (mV) 2 Rail-to-rail No Rating Catalog Operating temperature range (°C) -40 to 85 CMRR (typ) (dB) 95 Input bias current (max) (pA) 6000000 Offset drift (typ) (µV/°C) 2 Iout (typ) (mA) 90 2nd harmonic (dBc) 72 3rd harmonic (dBc) 72 Frequency of harmonic distortion measurement (MHz) 1
Architecture Voltage FB Number of channels 2 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 10 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 30 GBW (typ) (MHz) 120 BW at Acl (MHz) 100 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 100 Vn at flatband (typ) (nV√Hz) 1.6 Vn at 1 kHz (typ) (nV√Hz) 1.6 Iq per channel (typ) (mA) 8.5 Vos (offset voltage at 25°C) (max) (mV) 2 Rail-to-rail No Rating Catalog Operating temperature range (°C) -40 to 85 CMRR (typ) (dB) 95 Input bias current (max) (pA) 6000000 Offset drift (typ) (µV/°C) 2 Iout (typ) (mA) 90 2nd harmonic (dBc) 72 3rd harmonic (dBc) 72 Frequency of harmonic distortion measurement (MHz) 1
HVSSOP (DGN) 8 14.7 mm² 3 x 4.9 SOIC (D) 8 29.4 mm² 4.9 x 6
  • Ultra-Low 1.6 nV/√Hz Voltage Noise
  • High Speed:
    • 100-MHz Bandwidth [G = 2 (–1), –3 dB]
    • 100-V/µs Slew Rate
  • Very Low Distortion
    • THD = –72 dBc (f = 1 MHz, RL = 150 Ω)
    • THD = –90 dBc (f = 1 MHz, RL = 1 kΩ)
  • Low 0.5-mV (Typical) Input Offset Voltage
  • 90-mA Output Current Drive (Typical)
  • Typical Operation from ±5 V to ±15 V
  • Available in Standard SOIC and MSOP-PowerPAD™, Packages
  • Evaluation Module Available
  • Ultra-Low 1.6 nV/√Hz Voltage Noise
  • High Speed:
    • 100-MHz Bandwidth [G = 2 (–1), –3 dB]
    • 100-V/µs Slew Rate
  • Very Low Distortion
    • THD = –72 dBc (f = 1 MHz, RL = 150 Ω)
    • THD = –90 dBc (f = 1 MHz, RL = 1 kΩ)
  • Low 0.5-mV (Typical) Input Offset Voltage
  • 90-mA Output Current Drive (Typical)
  • Typical Operation from ±5 V to ±15 V
  • Available in Standard SOIC and MSOP-PowerPAD™, Packages
  • Evaluation Module Available

The THS4031 and THS4032 are ultra-low voltage noise, high-speed voltage feedback amplifiers that are ideal for applications requiring low voltage noise, including communications and imaging. The single amplifier THS4031 and the dual amplifier THS4032 offer good AC performance with 100-MHz bandwidth (G = 2), 100-V/µs slew rate, and 60-ns settling time (0.1%). The THS4031 and THS4032 are unity-gain stable with 275-MHz bandwidth. These amplifiers have a high drive capability of 90 mA and draw only 8.5-mA supply current per channel. With –90 dBc of total harmonic distortion (THD) at f = 1 MHz and a very low noise of 1.6 nV/√Hz, the THS4031 and THS4032 are designed for applications requiring low distortion and low noise such as buffering analog-to-digital converters.

The THS4031 and THS4032 are ultra-low voltage noise, high-speed voltage feedback amplifiers that are ideal for applications requiring low voltage noise, including communications and imaging. The single amplifier THS4031 and the dual amplifier THS4032 offer good AC performance with 100-MHz bandwidth (G = 2), 100-V/µs slew rate, and 60-ns settling time (0.1%). The THS4031 and THS4032 are unity-gain stable with 275-MHz bandwidth. These amplifiers have a high drive capability of 90 mA and draw only 8.5-mA supply current per channel. With –90 dBc of total harmonic distortion (THD) at f = 1 MHz and a very low noise of 1.6 nV/√Hz, the THS4031 and THS4032 are designed for applications requiring low distortion and low noise such as buffering analog-to-digital converters.
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Technical documentation

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Type Title Date
* Data sheet THS403x 100-MHz Low-Noise High-Speed Amplifiers datasheet (Rev. I) PDF | HTML 17 May 2018
E-book The Signal e-book: A compendium of blog posts on op amp design topics 28 Mar 2017
Analog Design Journal High-speed notch filters 13 Feb 2006
Application note Noise Analysis for High Speed Op Amps (Rev. A) 17 Jan 2005
User guide THS4032 Dual High-Speed Op Amp EVM User's Guide 09 Feb 1999

Design & development

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Evaluation board

THS4032EVM — THS4032 evaluation module for 100-MHz, dual-channel low-noise voltage-feedback amplifier

The THS4032 dual high-speed operational amplifier evaluation module (EVM) is a complete dual high-speed amplifier circuit. It consists of the THS4032 dual low-noise high-speed operational amplifier IC, along with a small number of passive parts, mounted on a small circuit board measuring (...)

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Simulation model

THS4032 PSpice Model

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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 operational-amplifier (...)
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Calculation tool

VOLT-DIVIDER-CALC — Voltage divider calculation tool

The voltage divider calculation tool (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. VOLT-DIVIDER-CALC can also be used to (...)
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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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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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