LT6402-20
Info: : PRODUCTION
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LT6402-20

300MHz Low Distortion, Low Noise Differential Amplifier/ADC Driver (AV = 20dB)

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Info: : PRODUCTION tooltip
Info: : PRODUCTION tooltip
Part Details
Part Models 4
1ku List Price Starting From $3.41
Features
  • 300 MHz –3dB Bandwidth
  • Fixed Gain of 20dB
  • Low Distortion:
    • 48.5dBm OIP3, –81dBc HD3 (20MHz, 2VP-P)
  • Low Noise:
    • 12.4dB NF, en= 1.9nV/√Hz (20MHz)
  • Differential Inputs and Outputs
  • Additional Filtered Outputs
  • Adjustable Output Common Mode Voltage
  • DC- or AC-Coupled Operation
  • Minimal Support Circuitry Required
  • Small 0.75mm Profile 16-Lead 3mm × 3mm QFN Package
Additional Details
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The LT6402-20 is a low distortion, low noise differential amplifier/ADC driver for use in applications from DC to 300MHz. The LT6402-20 has been designed for ease of use, with minimal support circuitry required. Exceptionally low input-referred noise and low distortion (with either single-ended or differential inputs) make the LT6402-20 an excellent solution for driving high speed 12-bit and 14-bit ADCs. In addition to the normal unfiltered outputs (+OUT and –OUT), the LT6402-20 has a built-in 75MHz differential low pass filter and an additional pair of filtered outputs (+OUTFILTERED, –OUTFILTERED) to reduce external filtering components when driving high speed ADCs. The output common mode voltage is easily set via the VOCM pin, eliminating an output transformer or AC-coupling capacitors in many applications.

The LT6402-20 is designed to meet the demanding requirements of communications transceiver applications. It can be used as a differential ADC driver, a general-purpose differential gain block, or in other applications requiring differential drive. The LT6402-20 can be used in data acquisition systems required to function at frequencies down to DC.

The LT6402-20 operates on a 5V supply and consumes 30mA. It comes in a compact 16-lead 3mm × 3mm QFN package and operates over a –40ºC to 85ºC temperature range.

Applications

  • Differential ADC Driver for:
    • Imaging
    • Communications
  • Differential Driver/Receiver
  • Single Ended to Differential Conversion
  • Differential to Single Ended Conversion
  • Level Shifting
  • IF Sampling Receivers
  • SAW Filter Interfacing/Buffering
Part Models 4
1ku List Price Starting From $3.41

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
LT6402CUD-20#PBF
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LT6402CUD-20#TRPBF
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LT6402IUD-20#PBF
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LT6402IUD-20#TRPBF
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Software & Part Ecosystem

Software & Part Ecosystem

Evaluation Kit

Evaluation Kits 1

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.

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