Overview

Features and Benefits

  • 220MHz –3dB Bandwidth with 2pF Input Capacitance
  • Single-Ended Output
  • 74kΩ Transimpedance Gain
  • 4.8pA/√Hz Input Current Noise Density at 200MHz (2pF)
  • 64nARMS Integrated Input Current Noise Over 200MHz (2pF)
  • Linear Input Range 0μA to 30μA
  • Overload Current > ±400mA Peak
  • Fast Overload Recovery: 1mA in 12ns
  • Fast Output MUXing: <50ns
  • Single 5V Supply
  • 90mW Power Dissipation
  • 2VP-P Output Swing on 100Ω Load
  • 3mm × 3mm, 16-Lead QFN Package
  • Output MUX Combines Multiple LTC6560 Devices

Product Details

The LTC6560 is a low-noise, transimpedance amplifier (TIA) with 220MHz bandwidth. The LTC6560’s low noise, high transimpedance and low power dissipation are ideal for LIDAR receivers using avalanche photodiodes (APDs). The LTC6560 features 74kΩ transimpedance gain and 30μA linear input current range. Using an APD with a total input capacitance of 2pF, the input current noise density is 4.8pA/√Hz at 200MHz. With lower capacitance, noise and bandwidth improve further. The LTC6560 operates from a single 5V supply and consumes only 90mW. Utilizing the LTC6560’s output MUX, multiple LTC6560 devices can be combined to a single output. The LTC6560’s fast overload recovery and fast output MUXing make it well suited for LIDAR receivers with multiple APDs. The LTC6560’s single-ended output can swing 2VP-P on a 100Ω load. Its low impedance op amp style output has been designed to drive back-terminated 50Ω cables.

The LTC6560 is packaged in a compact 3mm × 3mm 16-pin leadless QFN package with an exposed pad for thermal management and low inductance.

Applications

  • LIDAR Receiver
  • Industrial Imaging

Product Lifecycle icon-recommended Production

At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

Design Resources

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.

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The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.


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