LTC6404
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LTC6404

600MHz, Low Noise, High Precision Fully Differential Input/Output Amplifier/Driver

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Part Details
Part Models 18
1ku List Price Starting From $4.12
Features
  • Fully Differential Input and Output
  • Low Noise: 1.5nV/√Hz RTI
  • Very Low Distortion:
    • LTC6404-1 (2VP-P , 10MHz): –91dBc
    • LTC6404-2 (2VP-P , 10MHz): –96dBc
    • LTC6404-4 (2VP-P , 10MHz): –101dBc
  • Closed-Loop –3dB Bandwidth: 600MHz
  • Slew Rate: 1200V/μs (LTC6404-4)
  • Adjustable Output Common Mode Voltage
  • Rail-to-Rail Output Swing
  • Input Range Extends to Ground
  • Large Output Current: 85mA (Typ)
  • DC Voltage Offset < 2mV (Max)
  • Low Power Shutdown
  • Tiny 3mm × 3mm × 0.75mm 16-Pin QFN Package
Additional Details
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The LTC6404 is a family of AC precision, very low noise, low distortion, fully differential input/output amplifiers optimized for 3V, single supply operation.

The LTC6404-1 is unity-gain stable. The LTC6404-2 is designed for closed-loop gains greater than or equal to 2V/V. The LTC6404-4 is designed for closed-loop gains greater than or equal to 4V/V. The LTC6404 closed-loop bandwidth extends from DC to 600MHz. In addition to the normal unfiltered outputs (OUT+ and OUT), the LTC6404 has a built-in 88.5MHz differential single-pole lowpass filter and an additional pair of filtered outputs (OUTF+, OUTF). An input referred voltage noise of 1.5nV/√Hz make the LTC6404 able to drive state-of-the-art 16-/18-bit ADCs while operating on the same supply voltage, saving system cost and power. The LTC6404 is characterized, and maintains its performance for supplies as low as 2.7V and can operate on supplies up to 5.25V. It draws only 27.3mA, and has a hardware shutdown feature which reduces cur- rent consumption to 250μA.

The LTC6404 family is available in a compact 3mm × 3mm 16-pin leadless QFN package and operates over a –40°C to 125°C temperature range.

Applications

  • Differential Input A/D Converter Driver
  • Single-Ended to Differential Conversion/Amplification
  • Common Mode Level Translation
  • Low Voltage, Low Noise, Signal Processing
Part Models 18
1ku List Price Starting From $4.12

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
LTC6404CUD-1#PBF
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LTC6404IUD-1#PBF
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Product Lifecycle

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Mar 20, 2024

- 23_0089

Obsolescence of Tower Fab3 (JAZZ-3) SBC35 Process

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Obsolescence of Tower Fab3 (JAZZ-3) SBC35 Process

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Software & Part Ecosystem

Software & Part Ecosystem

Evaluation Kit

Evaluation Kits 7

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DC1147A-C

LTC6404-4 Demo Circuit

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DC1058A-B

Combo Demo Board for LTC2207 and LTC6404-1, Requires DC718

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DC1147A-B

LTC6404-2 Demo Circuit

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DC2623A

LTC6404-1 + AD8002 ADC Driver Board | Low Distortion ADC Driver for LTC2387 Family, Input Frequencies >1MHz

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DC2623A

LTC6404-1 + AD8002 ADC Driver Board | Low Distortion ADC Driver for LTC2387 Family, Input Frequencies >1MHz

LTC6404-1 + AD8002 ADC Driver Board | Low Distortion ADC Driver for LTC2387 Family, Input Frequencies >1MHz

Product Detail

Demonstration circuit 2623A features the LTC6404-1 amplifier. The DC2623A includes two of these amplifiers and is designed to drive the inputs of the DC2290 demo board. The DC2290 features the LTC2387 18-bit, 15Msps high speed SAR ADC. The linearity and low noise of the LTC6404-1 make it an ideal candidate to drive the LTC2387 at frequencies above 1MHz.


Note: The DC2623A is configured to provide a voltage gain of 4 from either a single-ended source or a differential one.

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DC1058A-C

Combo Demo Board for LTC2207 and LTC6404-2, Requires DC718

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DC1147A-A

LTC6404-1 Demo Circuit

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DC1058A-D

Combo Demo Board for LTC2207 and LTC6404-4, Requires DC718

Tools & Simulations

Tools & Simulations 3

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.

To launch ready-to-run LTspice demonstration circuits for this part:

Step 1: Download and install LTspice on your computer.

Step 2: Click on the link in the section below to download a demonstration circuit.

Step 3: If LTspice does not automatically open after clicking the link below, you can instead run the simulation by right clicking on the link and selecting “Save Target As.” After saving the file to your computer, start LTspice and open the demonstration circuit by selecting ‘Open’ from the ‘File’ menu.

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