THS4082

ACTIVE

175-MHz Low-Power Voltage-Feedback Amplifier, Dual

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) 95 BW at Acl (MHz) 175 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 230 Vn at flatband (typ) (nV√Hz) 10.2 Vn at 1 kHz (typ) (nV√Hz) 10 Iq per channel (typ) (mA) 3.4 Vos (offset voltage at 25°C) (max) (mV) 7 Rail-to-rail No Rating Catalog Operating temperature range (°C) -40 to 85 CMRR (typ) (dB) 90 Input bias current (max) (pA) 6000000 Offset drift (typ) (µV/°C) 15 Iout (typ) (mA) 85 2nd harmonic (dBc) 79 3rd harmonic (dBc) 79 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) 95 BW at Acl (MHz) 175 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 230 Vn at flatband (typ) (nV√Hz) 10.2 Vn at 1 kHz (typ) (nV√Hz) 10 Iq per channel (typ) (mA) 3.4 Vos (offset voltage at 25°C) (max) (mV) 7 Rail-to-rail No Rating Catalog Operating temperature range (°C) -40 to 85 CMRR (typ) (dB) 90 Input bias current (max) (pA) 6000000 Offset drift (typ) (µV/°C) 15 Iout (typ) (mA) 85 2nd harmonic (dBc) 79 3rd harmonic (dBc) 79 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
  • Ultralow 3.4 mA Per Channel Quiescent Current
  • High Speed
    • 175 MHz Bandwidth (\x963 dB, G = 1)
    • 230 V/us Slew Rate
    • 43 ns Settling Time (0.1%)
  • High Output Drive, IO = 85 mA (typ)
  • Excellent Video Performance
    • 35 MHz Bandwidth (0.1 dB, G = 1)
    • 0.01% Differential Gain
    • 0.05° Differential Phase
  • Very Low Distortion
    • THD = \x9664 dBc (f = 1 MHz, RL = 150 )
    • THD = \x9679 dBc (f = 1 MHz, RL = 1 k)
  • Wide Range of Power Supplies
    • VCC = ±5 V to ±15 V
  • Available in Standard SOIC or MSOP PowerPAD™ Package
  • Evaluation Module Available

PowerPAD is a trademark of Texas Instruments.

  • Ultralow 3.4 mA Per Channel Quiescent Current
  • High Speed
    • 175 MHz Bandwidth (\x963 dB, G = 1)
    • 230 V/us Slew Rate
    • 43 ns Settling Time (0.1%)
  • High Output Drive, IO = 85 mA (typ)
  • Excellent Video Performance
    • 35 MHz Bandwidth (0.1 dB, G = 1)
    • 0.01% Differential Gain
    • 0.05° Differential Phase
  • Very Low Distortion
    • THD = \x9664 dBc (f = 1 MHz, RL = 150 )
    • THD = \x9679 dBc (f = 1 MHz, RL = 1 k)
  • Wide Range of Power Supplies
    • VCC = ±5 V to ±15 V
  • Available in Standard SOIC or MSOP PowerPAD™ Package
  • Evaluation Module Available

PowerPAD is a trademark of Texas Instruments.

The THS4081 and THS4082 are ultralow-power, high-speed voltage feedback amplifiers that are ideal for communication and video applications. These amplifiers operate off of a very low 3.4-mA quiescent current per channel and have a high output drive capability of 85 mA. The signal-amplifier THS4081 and the dual-amplifier THS4082 offer very good ac performance with 175-MHz bandwidth, 230-V/us slew rate, and 43-ns settling time (0.1%). With total harmonic distortion (THD) of \x9664 dBc at f = 1 MHz, the THS4081 and THS4082 are ideally suited for applications requiring low distortion.

The THS4081 and THS4082 are ultralow-power, high-speed voltage feedback amplifiers that are ideal for communication and video applications. These amplifiers operate off of a very low 3.4-mA quiescent current per channel and have a high output drive capability of 85 mA. The signal-amplifier THS4081 and the dual-amplifier THS4082 offer very good ac performance with 175-MHz bandwidth, 230-V/us slew rate, and 43-ns settling time (0.1%). With total harmonic distortion (THD) of \x9664 dBc at f = 1 MHz, the THS4081 and THS4082 are ideally suited for applications requiring low distortion.

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Technical documentation

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Type Title Date
* Data sheet 175-MHz Low-Power High-Speed Amplifiers datasheet (Rev. D) 25 Jun 2001
E-book The Signal e-book: A compendium of blog posts on op amp design topics 28 Mar 2017
Application note Noise Analysis for High Speed Op Amps (Rev. A) 17 Jan 2005
User guide THS4082 Dual Low-Power High-Speed Operational Amplifier Evaluation Module 07 Sep 2000

Design & development

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Simulation model

THS4082 PSpice Model

SLOJ148.ZIP (6 KB) - PSpice Model
Calculation tool

ANALOG-ENGINEER-CALC — Analog engineer's calculator

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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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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 (...)
User guide: PDF
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HVSSOP (DGN) 8 Ultra Librarian
SOIC (D) 8 Ultra Librarian

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