Overview

Features and Benefits

  • 16 × 16 high speed nonblocking switch arrays: G = 2
  • Serial or parallel programming of switch array
  • Serial data out allows daisy-chaining of multiple 16 × 16 arrays to create larger switch arrays
  • High impedance output disable allows connection of
  • multiple devices without loading the output bus
  • For smaller arrays see the AD8108/AD8109 (8 × 8) or AD8110/AD8111 (16 × 8) switch arrays
  • Complete solution
    • Buffered inputs
    • Programmable high impedance outputs
    • 16 output amplifiers (G = 2)
    • Drives 150 Ω loads
  • Excellent video performance
    • 25 MHz, 0.1 dB gain flatness
    • 0.05%/0.05° differential gain/differential phase error (RL = 150 Ω)
  • Excellent ac performance
    • −3 dB bandwidth: 225 MHz
    • Slew rate: 375 V/µs
  • Low power of 700 mW (2.75 mW per point)
  • Low all hostile crosstalk of −70 dB at 5 MHz
  • Reset pin allows disabling of all outputs (connected through a capacitor to ground provides power-on reset capability)
  • 100-lead LQFP (14 mm × 14 mm)

Product Details

The AD8114/AD8115 are high speed, 16 × 16 video crosspoint switch matrices. They offer a −3 dB signal bandwidth greater than 200 MHz and channel switch times of less than 50 ns with 1% settling. With −70 dB of crosstalk and −98 dB isolation (at 5 MHz), the AD8114/AD8115 are useful in many high speed applications.

The differential gain and differential phase of better than 0.05% and 0.05°, respectively, along with a 0.1 dB flatness out to 25 MHz while driving a 75 Ω back-terminated load, make the AD8114/ AD8115 ideal for all types of signal switching.

The AD8114/AD8115 include 16 independent output buffers that can be placed into a high impedance state for paralleling crosspoint outputs so that off channels do not load the output bus. The AD8114 has a gain of 1, while the AD8115 offers a gain of 2. They operate on voltage supplies of ±5 V while consuming only 70 mA of idle current. The channel switching is performed via a serial digital control (which can accommodate daisy-chaining of several devices) or via a parallel control, allowing updating of an individual output without reprogramming the entire array.

The AD8114/AD8115 is packaged in a 100-lead LQFP and is available over the extended industrial temperature range of −40°C to +85°C.

Applications

  • Routing of high speed signals, including
    – Video (NTSC, PAL, S, SECAM, YUV, RGB)
    – Compressed video (MPEG, wavelet)
    – 3-level digital video (HDB3)
    – Data communications
    – Telecommunications

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.

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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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