LTC6420-20
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LTC6420-20

Dual Matched 1.8GHz Differential Amplifiers/ADC Drivers

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Part Details
Part Models 4
1ku List Price Starting From $6.14
Features
  • Matched Gain ±0.1dB
  • Matched Phase ±0.1° at 100MHz
  • Channel Separation 80dB at 100MHz
  • 1.8GHz –3dB Bandwidth; Fixed Gain of 10V/V (20dB)
  • IMD3 = –84dBc at 100MHz, 2VP-P
  • Equivalent OIP3 = 46dBm at 100MHz
  • 1nV/√Hz Internal Op Amp Noise
  • 6.2dB Noise Figure
  • Differential Inputs and Outputs
  • Rail-to-Rail Output Swing
  • 80mA Supply Current (240mW) per Amplifier
  • 1.1V to 1.6V Output Common Mode Voltage, Adjustable
  • DC- or AC-Coupled Operation
  • 20-Lead 3mm × 4mm × 0.75mm QFN Package
Additional Details
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The LTC6420-20 is a dual high-speed differential amplifier targeted at processing signals from DC to 300MHz. The part has been specifically designed to drive 12-, 14- and 16-bit ADCs with low noise and low distortion, but can also be used as a general-purpose broadband gain block.

The LTC6420-20 is easy to use, with minimal support circuitry required. The output common mode voltage is set using an external pin, independent of the inputs, which eliminates the need for transformers or AC-coupling capacitors in many applications. The gain is internally fixed at 20dB (10V/V).

The LTC6420-20 saves space and power compared to alternative solutions using IF gain blocks and transformers. The LTC6420-20 is packaged in a compact 20-lead 3mm × 4mm QFN package and operates over the –40°C to 85°C temperature range.

Applications

  • Differential ADC Driver
  • Single Ended to Differential Conversion
  • IF Sampling (Diversity) Receivers
  • Broadband I/Q Amplifiers
  • Satellite Communications
Part Models 4
1ku List Price Starting From $6.14

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
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LTC6420IUDC-20#PBF
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Product Lifecycle

PCN

Mar 20, 2024

- 23_0089

Obsolescence of Tower Fab3 (JAZZ-3) SBC35 Process

LTC6420CUDC-20#PBF

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LTC6420CUDC-20#TRPBF

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LTC6420IUDC-20#PBF

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Part Models

Product Lifecycle

PCN

Mar 20, 2024

- 23_0089

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Obsolescence of Tower Fab3 (JAZZ-3) SBC35 Process

LTC6420CUDC-20#PBF

LAST TIME BUY

LTC6420CUDC-20#TRPBF

LAST TIME BUY

LTC6420IUDC-20#PBF

LAST TIME BUY

LTC6420IUDC-20#TRPBF

LAST TIME BUY

Software & Part Ecosystem

Software & Part Ecosystem

Evaluation Kit

Evaluation Kits 1

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DC1299A-A

LTC6420CUD-20 | Dual Matched 1.8GHz Differential Amplifiers/ADC Drivers

Tools & Simulations

Tools & Simulations 2

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