Startseite Verstärker Operationsverstärker (OpAmps) Hochgeschwindigkeits-Operationsverstärker (Transitfrequenz ≥ 50 MHz)
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Operationsverstärker (OpAmps)
Hochgeschwindigkeits-Operationsverstärker (Transitfrequenz ≥ 50 MHz)

THS4631

AKTIV

Highspeed-Operationsverstärker mit FET-Eingang

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Datenblatt

THS4631

AKTIV
Datenblatt Jetzt bestellen

Produktdetails

Architecture FET / CMOS Input, Voltage 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) 210 BW at Acl (MHz) 325 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 1000 Vn at flatband (typ) (nV√Hz) 7 Vn at 1 kHz (typ) (nV√Hz) 7 Iq per channel (typ) (mA) 11.5 Vos (offset voltage at 25°C) (max) (mV) 0.5 Rail-to-rail No Rating Catalog Operating temperature range (°C) -40 to 85 CMRR (typ) (dB) 95 Input bias current (max) (pA) 100 Offset drift (typ) (µV/°C) 2.5 Iout (typ) (mA) 95 2nd harmonic (dBc) 76 3rd harmonic (dBc) 94 Frequency of harmonic distortion measurement (MHz) 5
Architecture FET / CMOS Input, Voltage 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) 210 BW at Acl (MHz) 325 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 1000 Vn at flatband (typ) (nV√Hz) 7 Vn at 1 kHz (typ) (nV√Hz) 7 Iq per channel (typ) (mA) 11.5 Vos (offset voltage at 25°C) (max) (mV) 0.5 Rail-to-rail No Rating Catalog Operating temperature range (°C) -40 to 85 CMRR (typ) (dB) 95 Input bias current (max) (pA) 100 Offset drift (typ) (µV/°C) 2.5 Iout (typ) (mA) 95 2nd harmonic (dBc) 76 3rd harmonic (dBc) 94 Frequency of harmonic distortion measurement (MHz) 5
HSOIC (DDA) 8 29.4 mm² 4.9 x 6 HVSSOP (DGN) 8 14.7 mm² 3 x 4.9 SOIC (D) 8 29.4 mm² 4.9 x 6
  • High Bandwidth:
    • 325 MHz in Unity Gain
    • 210 MHz Gain Bandwidth Product
  • High Slew Rate:
    • 900 V/µs (G = 2)
    • 1000 V/µs (G = 5)
  • Low Distortion of –76 dB, SFDR at 5 MHz
  • Maximum Input Bias Current: 100 pA
  • Input Voltage Noise: 7 nV/√Hz
  • Maximum Input Offset Voltage: 500 µV at 25°C
  • Low Offset Drift: 2.5 µV/°C
  • Input Impedance: 109 || 3.9 pF
  • Wide Supply Range: ± 5 V to ± 15 V
  • High Output Current: 95 mA
  • High Bandwidth:
    • 325 MHz in Unity Gain
    • 210 MHz Gain Bandwidth Product
  • High Slew Rate:
    • 900 V/µs (G = 2)
    • 1000 V/µs (G = 5)
  • Low Distortion of –76 dB, SFDR at 5 MHz
  • Maximum Input Bias Current: 100 pA
  • Input Voltage Noise: 7 nV/√Hz
  • Maximum Input Offset Voltage: 500 µV at 25°C
  • Low Offset Drift: 2.5 µV/°C
  • Input Impedance: 109 || 3.9 pF
  • Wide Supply Range: ± 5 V to ± 15 V
  • High Output Current: 95 mA

The THS4631 is a high-speed, FET-input operational amplifier designed for applications requiring wideband operation, high-input impedance, and high-power supply voltages. By providing a 210-MHz gain bandwidth product, ±15-V supply operation, and 100-pA input bias current, the THS4631 is capable of simultaneous wideband transimpedance gain and large output signal swing. The fast 1000 V/µs slew rate allows for fast settling times and good harmonic distortion at high frequencies. Low current and voltage noise allow amplification of extremely low-level input signals while still maintaining a large signal-to-noise ratio.

The characteristics of the THS4631 make it ideally suited for use as a wideband photodiode amplifier. Photodiode output current is a prime candidate for transimpedance amplification as shown below. Other potential applications include test and measurement systems requiring high-input impedance, ADC and DAC buffering, high-speed integration, and active filtering.

The THS4631 is offered in an 8-pin SOIC (D), and the 8-pin SOIC (DDA) and MSOP (DGN) with PowerPAD™ package.

The THS4631 is a high-speed, FET-input operational amplifier designed for applications requiring wideband operation, high-input impedance, and high-power supply voltages. By providing a 210-MHz gain bandwidth product, ±15-V supply operation, and 100-pA input bias current, the THS4631 is capable of simultaneous wideband transimpedance gain and large output signal swing. The fast 1000 V/µs slew rate allows for fast settling times and good harmonic distortion at high frequencies. Low current and voltage noise allow amplification of extremely low-level input signals while still maintaining a large signal-to-noise ratio.

The characteristics of the THS4631 make it ideally suited for use as a wideband photodiode amplifier. Photodiode output current is a prime candidate for transimpedance amplification as shown below. Other potential applications include test and measurement systems requiring high-input impedance, ADC and DAC buffering, high-speed integration, and active filtering.

The THS4631 is offered in an 8-pin SOIC (D), and the 8-pin SOIC (DDA) and MSOP (DGN) with PowerPAD™ package.
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Technische Dokumentation

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Typ Titel Datum
* Data sheet High-Voltage High Slew Rate Wideband FET-Input Op Amp datasheet (Rev. B) 17 Aug 2011
Application note Transimpedance Amplifiers (TIA): Choosing the Best Amplifier for the job (Rev. A) 16 Mai 2017
E-book The Signal e-book: A compendium of blog posts on op amp design topics 28 Mär 2017
Application note Transimpedance Considerations for High-Speed Operational Amplifiers 22 Nov 2009
Application note Noise Analysis for High Speed Op Amps (Rev. A) 17 Jan 2005

Design und Entwicklung

Weitere Bedingungen oder erforderliche Ressourcen enthält gegebenenfalls die Detailseite, die Sie durch Klicken auf einen der unten stehenden Titel erreichen.

Evaluierungsplatine

THS4631DDAEVM — THS4631DDAEVM-Evaluierungsmodul

THS4631EVM's is an evaluation Module for the DDA (8 pin SOIC power pad)  package.

The THS4631EVM's are designed to demonstrate the functionality and versatility of the device. The EVM is ready for power, signal source, and test instruments.

The THS4631 evaluation module (EVM) User's Guide is included (...)

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Evaluierungsplatine

THS4631DGNEVM — THS4631DGNEVM-Evaluierungsmodul

THS4631EVM's is an evaluation Module for the DGN (8-pin MSOP power pad) package.

The THS4631EVM's are designed to demonstrate the functionality and versatility of the device. The EVM is ready for power, signal source, and test instruments.

The THS4631 evaluation module (EVM) User's Guide is included (...)

Nicht verfügbar auf TI.com
Simulationsmodell

THS4631 PSpice Model (Rev. E)

SLOC051E.ZIP (24 KB) - PSpice Model
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Simulationsmodell

THS4631 TINA-TI Reference Design (Rev. B)

SLOC127B.TSC (20 KB) - TINA-TI Reference Design
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Simulationsmodell

THS4631 TINA-TI Spice Model (Rev. A)

SLOM248A.ZIP (4 KB) - TINA-TI Spice Model
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Berechnungstool

ANALOG-ENGINEER-CALC — Rechner für Analogtechniker

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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Berechnungstool

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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Simulationstool

PSPICE-FOR-TI — PSpice® für TI Design-und Simulationstool

PSpice® für TI ist eine Design- und Simulationsumgebung, welche Sie dabei unterstützt, die Funktionalität analoger Schaltungen zu evaluieren. Diese voll ausgestattete Design- und Simulationssuite verwendet eine analoge Analyse-Engine von Cadence®. PSpice für TI ist kostenlos erhältlich und (...)
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TINA-TI — SPICE-basiertes analoges Simulationsprogramm

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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Gehäuse Pins CAD-Symbole, Footprints und 3D-Modelle
HSOIC (DDA) 8 Ultra Librarian
HVSSOP (DGN) 8 Ultra Librarian
SOIC (D) 8 Ultra Librarian
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Bestellen & Qualität

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