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THS4509

AKTIV

Breitbandiger, rausch- und verzerrungsarmer Volldifferenzverstärker, 1,9 GHz

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Datenblatt

THS4509

AKTIV
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Produktdetails

Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 3 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 5.25 BW at Acl (MHz) 2000 Acl, min spec gain (V/V) 2 Slew rate (typ) (V/µs) 6600 Architecture Bipolar, Fully Differential ADC Driver Vn at flatband (typ) (nV√Hz) 1.9 Iq per channel (typ) (mA) 37.7 Rail-to-rail No Vos (offset voltage at 25°C) (max) (mV) 4 Operating temperature range (°C) -40 to 85 Iout (typ) (mA) 96 2nd harmonic (dBc) 104 3rd harmonic (dBc) 108 Frequency of harmonic distortion measurement (MHz) 10 GBW (typ) (MHz) 3000 Input bias current (max) (pA) 15500000 Features Decompensated, Shutdown CMRR (typ) (dB) 90 Rating Catalog
Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 3 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 5.25 BW at Acl (MHz) 2000 Acl, min spec gain (V/V) 2 Slew rate (typ) (V/µs) 6600 Architecture Bipolar, Fully Differential ADC Driver Vn at flatband (typ) (nV√Hz) 1.9 Iq per channel (typ) (mA) 37.7 Rail-to-rail No Vos (offset voltage at 25°C) (max) (mV) 4 Operating temperature range (°C) -40 to 85 Iout (typ) (mA) 96 2nd harmonic (dBc) 104 3rd harmonic (dBc) 108 Frequency of harmonic distortion measurement (MHz) 10 GBW (typ) (MHz) 3000 Input bias current (max) (pA) 15500000 Features Decompensated, Shutdown CMRR (typ) (dB) 90 Rating Catalog
VQFN (RGT) 16 9 mm² (3 mm × 3 mm)
  • Fully-Differential Architecture
  • Centered Input Common-Mode Range
  • Output Common-Mode Control
  • Minimum Gain of 2 V/V (6 dB)
  • Bandwidth: 1900 MHz
  • Slew Rate: 6600 V/µs
  • 1% Settling Time: 2 ns
  • HD2: –75 dBc at 100 MHz
  • HD3: –80 dBc at 100 MHz
  • OIP3: 37 dBm at 70 MHz
  • Input Voltage Noise: 1.9 nV/√Hz (f > 10 MHz)
  • Power-Supply Voltage: 3 V to 5 V
  • Power-Supply Current: 37.7 mA
  • Power-Down Current: 0.65 mA
  • APPLICATIONS
    • 5-V Data Acquisition Systems High Linearity ADC Amplifiers
    • Wireless Communication
    • Medical Imaging
    • Test and Measurement

All other trademarks are the property of their respective owners
  • Fully-Differential Architecture
  • Centered Input Common-Mode Range
  • Output Common-Mode Control
  • Minimum Gain of 2 V/V (6 dB)
  • Bandwidth: 1900 MHz
  • Slew Rate: 6600 V/µs
  • 1% Settling Time: 2 ns
  • HD2: –75 dBc at 100 MHz
  • HD3: –80 dBc at 100 MHz
  • OIP3: 37 dBm at 70 MHz
  • Input Voltage Noise: 1.9 nV/√Hz (f > 10 MHz)
  • Power-Supply Voltage: 3 V to 5 V
  • Power-Supply Current: 37.7 mA
  • Power-Down Current: 0.65 mA
  • APPLICATIONS
    • 5-V Data Acquisition Systems High Linearity ADC Amplifiers
    • Wireless Communication
    • Medical Imaging
    • Test and Measurement

All other trademarks are the property of their respective owners

The THS4509 device is a wideband, fully-differential op amp designed for 5-V data acquisition systems. It has a low noise at 1.9 nV/√Hz, and low harmonic distortion of –75 dBc HD2 and –80 dBc HD3 at 100 MHz with 2 VPP, G = 10 dB, and 1-kΩ load. Slew rate is high at 6600 V/µs, and with settling time of 2 ns to 1% (2-V step), it is ideal for pulsed applications. It is designed for a minimum gain of 6 dB, but is optimized for gains of 10 dB.

To allow for DC coupling to analog-to-digital converters (ADCs), its unique output common-mode control circuit maintains the output common-mode voltage within 3-mV offset (typical) from the set voltage, when set within 0.5-V of midsupply, with less than 4-mV differential offset voltage. The common-mode set point is set to midsupply by internal circuitry, which may be overdriven from an external source.

The input and output are optimized for best performance with the common-mode voltages set to midsupply. Along with high performance at low power-supply voltage, this design makes it ideal for high-performance, single-supply 5-V data acquisition systems. The combined performance of the THS4509 in a gain of 10 dB driving the ADS5500 ADC, sampling at 125 MSPS, is 81-dBc SFDR and 69.1-dBc SNR with a –1 dBFS signal at 70 MHz.

The THS4509 is offered in a quad, leadless VQFN-16 package (RGT), and is characterized for operation over the full industrial temperature range from –40°C to +85°C.

The THS4509 device is a wideband, fully-differential op amp designed for 5-V data acquisition systems. It has a low noise at 1.9 nV/√Hz, and low harmonic distortion of –75 dBc HD2 and –80 dBc HD3 at 100 MHz with 2 VPP, G = 10 dB, and 1-kΩ load. Slew rate is high at 6600 V/µs, and with settling time of 2 ns to 1% (2-V step), it is ideal for pulsed applications. It is designed for a minimum gain of 6 dB, but is optimized for gains of 10 dB.

To allow for DC coupling to analog-to-digital converters (ADCs), its unique output common-mode control circuit maintains the output common-mode voltage within 3-mV offset (typical) from the set voltage, when set within 0.5-V of midsupply, with less than 4-mV differential offset voltage. The common-mode set point is set to midsupply by internal circuitry, which may be overdriven from an external source.

The input and output are optimized for best performance with the common-mode voltages set to midsupply. Along with high performance at low power-supply voltage, this design makes it ideal for high-performance, single-supply 5-V data acquisition systems. The combined performance of the THS4509 in a gain of 10 dB driving the ADS5500 ADC, sampling at 125 MSPS, is 81-dBc SFDR and 69.1-dBc SNR with a –1 dBFS signal at 70 MHz.

The THS4509 is offered in a quad, leadless VQFN-16 package (RGT), and is characterized for operation over the full industrial temperature range from –40°C to +85°C.
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Technische Dokumentation

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Top-Dokumentation Typ Titel Format-Optionen Neueste englische Version herunterladen Datum
* Datenblatt THS4509 Wideband, Low-Noise, Low-Distortion, Fully-Differential Amplifier datasheet (Rev. I) PDF | HTML 29.07.2016
Application brief Why Use an FDA to Drive an ADC? PDF | HTML 08.01.2026
Application brief Active Filter Design for Differential ADCs (Rev. A) PDF | HTML 08.10.2025
Circuit design Single-ended input to differential output circuit using a fully-differential amp (Rev. A) PDF | HTML 25.09.2024
Product overview Pairing ADC Drivers With Fully-Differential Input ADCs for Wide Bandwidth Data Acquisition 01.04.2024
E-book Engineer's Guide to High-Speed Amplifiers PDF | HTML 18.10.2023
Analog Design Journal Q3 2009 Issue Analog Applications Journal 24.09.2018
Analog Design Journal Q4 2009 Issue Analog Applications Journal 24.09.2018
Anwendungshinweis Attenuator Amplifier Design to Maximize the Input Voltage of Differential ADCs 14.06.2018
E-book The Signal e-book: A compendium of blog posts on op amp design topics PDF | HTML 28.03.2017
Anwendungshinweis Design for a Wideband Differential Transimpedance DAC Output (Rev. A) 17.10.2016
Anwendungshinweis Fully-Differential Amplifiers (Rev. E) 19.09.2016
Analog Design Journal Using single-supply fully diff. amps with neg. input voltages to drive ADCs 15.11.2010
Anwendungshinweis Driving High-Speed ADCs: Circuit Topologies and System-Level Parameters (Rev. A) 10.09.2010
Analog Design Journal Using fully differential op amps as attenuators, Part 3 04.10.2009
Analog Design Journal Using fully differential op amps as attenuators, Part 2 14.07.2009
Analog Design Journal Output impedance matching with fully differential operational amplifiers 11.03.2009
Analog Design Journal Q1 2009 Issue Analog Applications Journal 11.03.2009
Analog Design Journal Low-power, high-intercept interface to the ADS5424, 105-MSPS converter 10.10.2005
Analog Design Journal Analysis of fully differential amplifiers 11.03.2005
Analog Design Journal Fully differential amplifiers applications:Line termination,driving high-speed.. 02.03.2005

Design und Entwicklung

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Evaluierungsplatine

THS4508EVM — THS4508-Evaluierungsmodul

THS4508EVM is an evaluation Module for the RGT (16 pin leadless QFN) package.

The THS4508EVM is designed to demonstrate the functionality and versatility of the device. The EVM is ready for power, signal source, and test instruments. The EVM is configured for a gain of 10 dB and 50 ohm input and (...)

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Evaluierungsplatine

THS4509EVM — THS4509 – Evaluierungsmodul

THS4509RGT Eval 1 EVM is an evaluation Module for the RGT (16 pin leadless QFN) package.

The THS4509RGT Eval 1 EVM is designed to demonstrate the functionality and versatility of the device. The EVM is ready for power, signal source, and test instruments. The EVM is configured for a gain of 10dB (...)

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THS4511EVM — THS4511 – Evaluierungsmodul

THS4511EVM is an evaluation Module for the RGT (16 pin leadless QFN) package.

The THS4511EVM is designed to demonstrate the functionality and versatility of the device. The EVM is ready for power, signal source, and test instruments. The EVM is configured for a gain of 0 dB and 50 ohm input and (...)

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Evaluierungsplatine

THS4513EVM — THS4513 – Evaluierungsmodul

THS4513EVM is an evaluation Module for the RGT (16 pin leadless QFN) package.

The THS4513EVM is designed to demonstrate the functionality and versatility of the device. The EVM is ready for power, signal source, and test instruments. The EVM is configured for a gain of 0dB and 50 ohm input and (...)

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Evaluierungsplatine

THS4520EVM — THS4520-Evaluierungsmodul

THS4520EVM is an evaluation Module for the RGT (16 pin leadless QFN) package.

The THS4520EVM is designed to demonstrate the functionality and versatility of the device. The EVM is ready for power, signal source, and test instruments. The EVM is configured for a gain of 0 dB and 50 Ω (...)

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Simulationsmodell

THS4509 PSpice Model (Rev. D)

SLOC050D.ZIP (55 KB) - PSpice-Modell
Unterstützte Produkte und Hardware
Simulationsmodell

THS4509 TINA-TI Reference Design (Rev. B)

SLOM152B.TSC (53 KB) - TINA-TI-Referenzdesign
Unterstützte Produkte und Hardware
Simulationsmodell

THS4509 TINA-TI Spice Model (Rev. A)

SLOM151A.ZIP (5 KB) - TINA-TI Spice-Modell
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Berechnungstool

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Referenzdesign

TIDA-00092 — Optimieren des LMH6554 zum Ansteuern von Hochgeschwindigkeits-A/D-Wandlern

This reference design shows the ability of the high-speed amplifier, LMH6554, to perform single-ended to differential conversion to drive high-speed analog-to-digital converters (ADCs) while maintaining excellent noise and distortion performance. Performance versus input frequency is shown for both (...)

Unterstützte Produkte und Hardware
Referenzdesign

TIDA-00093 — Referenzdesign zur Optimierung des THS4509 zum Ansteuern von Highspeed-A/D-Wandlern

This reference design shows the ability of the high-speed amplifier, THS4509 to perform single-ended to differential conversion to drive high-speed analog-to-digital converters (ADCs) while maintaining excellent noise and distortion performance. Performance versus input frequency is shown for both (...)

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Gehäuse Pins CAD-Symbole, Footprints und 3D-Modelle
VQFN (RGT) 16 Ultra Librarian
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