LTC6419
Info : RECOMMENDED FOR NEW DESIGNS
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LTC6419

Dual 10GHz GBW, 1.1nV/√Hz Differential Amplifier/ADC Driver

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Info : RECOMMENDED FOR NEW DESIGNS tooltip
Info : RECOMMENDED FOR NEW DESIGNS tooltip
Part Details
Part Models 2
1ku List Price Starting From $11.82
Features
  • 10GHz Gain-Bandwidth Product
  • 85dB SFDR at 100MHz, 2VP-P
  • 1.1nV/√Hz Input Noise Density
  • Channel Separation 95dB at 100MHz
  • Input Range Includes Ground
  • External Resistors Set Gain (Min 1V/V)
  • 3300V/μs Differential Slew Rate
  • 52mA Supply Current (Per Amplifier)
  • 2.7V to 5.25V Supply Voltage Range
  • Fully Differential Input and Output
  • Adjustable Output Common Mode Voltage
  • Low Power Shutdown
  • Small 20-Lead 4mm × 3mm × 0.75mm LQFN Package
Additional Details
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The LTC6419 is a dual very high speed, low distortion, differential amplifier. Its input common mode range includes ground, so that a ground-referenced single-ended or differential input signal can be DC-coupled, level-shifted, and converted to drive an ADC differentially.

The gain and feedback resistors are external, so that the exact gain and frequency response can be tailored to each application. For example, the amplifier could be externally compensated in a no-overshoot configuration, which is desired in certain time-domain applications.

The LTC6419 is stable in a differential gain of 1. This allows for low output noise in applications where gain is not desired. Each amplifier draws 52mA of supply current and has an independent shutdown pin which reduces current consumption to 100μA per amplifier.

The LTC6419 is available in a compact 4mm × 3mm 20‑pin LQFN package and operates over a –40°C to 125°C temperature range.

Applications

  • Broadband I/Q Amplifiers
  • Dual Differential ADC Driver
  • High-Speed Data-Acquisition Cards
  • Automated Test Equipment
  • Time Domain Reflectometry
  • Communications Receivers
Part Models 2
1ku List Price Starting From $11.82

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
LTC6419HV#PBF
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LTC6419IV#PBF
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Software & Part Ecosystem

Software & Part Ecosystem

Evaluation Kit

Evaluation Kits 3

reference details image

HMCAD1511-EBZ

HMCAD1511 Evaluation Board

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HMCAD1511-EBZ

HMCAD1511 Evaluation Board

HMCAD1511 Evaluation Board

Product Detail

The HMCAD1520-EBZ (HMCAD1511-EBZ) supports the HMCAD1520 (HMCAD1511), a 12bit (8bit), 640MSPS (1GSPS) multi-channel analog-to-digital converter. The board uses LTM8078 switching regulator and ADM7154 LDO as its power supply and uses LTC6419 as an optional high-speed ADC driver. The board is designed to interface directly with FPGA development boards with FMC (Vita57.1) connector.

This reference design provides all of the support circuitry required to operate the ADC in its various modes and configurations. It is designed to interface directly with the EVAL-SDP-CH1Z data capture card, allowing users to download captured data for analysis. The device control and subsequent data analyses can now be done using the ACE software package.

reference details image

DC2473A

LTC6419 - Dual Differential Amplifiers / ADC Drivers

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DC2473A

LTC6419 - Dual Differential Amplifiers / ADC Drivers

LTC6419 - Dual Differential Amplifiers / ADC Drivers

Product Detail

Demonstration circuit 2473A features the LTC6419 Dual Differential Amplifier/ADC Driver. It incorporates a variety of passive components to support configurations for varied applications. These fully-differential amplifiers accept single-ended or differential input with almost no difference in distortion performance.


 


reference details image

HMCAD1520-EBZ

HMCAD1520 Evaluation Board

zoom

HMCAD1520-EBZ

HMCAD1520 Evaluation Board

HMCAD1520 Evaluation Board

Product Detail

The HMCAD1520-EBZ (HMCAD1511-EBZ) supports the HMCAD1520 (HMCAD1511), a 12bit (8bit), 640MSPS (1GSPS) multi-channel analog-to-digital converter. The board uses LTM8078 switching regulator and ADM7154 LDO as its power supply and uses LTC6419 as an optional high-speed ADC driver. The board is designed to interface directly with FPGA development boards with FMC (Vita57.1) connector.

This reference design provides all of the support circuitry required to operate the ADC in its various modes and configurations. It is designed to interface directly with the EVAL-SDP-CH1Z data capture card, allowing users to download captured data for analysis. The device control and subsequent data analyses can now be done using the ACE software package.

Tools & Simulations

Tools & Simulations 5

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

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