AD8104:  600 MHz, 32 × 16 Buffered Analog Crosspoint Switch

The AD8104/AD8105 are high speed, 32 × 16 analog crosspoint switch matrices. They offer 600 MHz bandwidth and slew rate of 1800 V/μs for high resolution computer graphics (RGB) signal switching. With ...More

AD8104:  600 MHz, 32 × 16 Buffered Analog Crosspoint Switch

Product Description

The AD8104/AD8105 are high speed, 32 × 16 analog crosspoint switch matrices. They offer 600 MHz bandwidth and slew rate of 1800 V/μs for high resolution computer graphics (RGB) signal switching. With less than −70 dB of crosstalk and −90 dB isolation (@ 5 MHz), the AD8104/AD8105 are useful in many high speed applications. The 0.1 dB flatness, which is greater than 50 MHz, makes the AD8104/AD8105 ideal for composite video switching.

The AD8104/AD8105 include 16 independent output buffers that can be placed into a high impedance state for paralleling crosspoint outputs so that off-channels present minimal loading to an output bus. The AD8104 has a differential gain of +1, while the AD8105 has a differential gain of +2 for ease of use in back-terminated load applications. They operate as fully differential devices or can be configured for single-ended operation. Either a single +5 V supply or dual ±2.5 V supplies can be used, while consuming only 340 mA of idle current with all outputs enabled. The channel switching is performed via a double-buffered, 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 AD8104/AD8105 are packaged in a 304-ball BGA package and are available over the extended industrial temperature range of −40°C to +85°C.

Applications

  • Routing of high speed signals including
    • RGB and component video routing
    KVM
    Compressed video (MPEG, wavelet)
    Data communications

    Data Sheet, Rev. 0, 7/07

    Features

    • High channel count, 32 × 16 high speed, nonblocking switch array
    • Differential or single-ended operation
    • Differential G = +1 (AD8104) or G = +2 (AD8105)
    • Pin compatible with AD8117/AD8118, 32 x 32 switch arrays
    • Flexible power supplies
      Single +5 V supply, or dual ±2.5 V supplies
    • Excellent video performance
      >50 MHz 0.1 dB gain flatness
      0.05% differential gain error (RL = 150 Ω)
      0.05° phase error (RL = 150 Ω)
    • Serial or parallel programming of switch array
    • High impedance output disable allows connection of multiple devices with minimal loading on output bus
    • Excellent ac performance
      Bandwidth: 600 MHz
      Slew rate: 1800 V/μs
      Settling time: 2.5 ns to 1%
    • Low power of 1.7 W
    • Low all hostile crosstalk < −70 dB @ 5 MHz < −40 dB @ 600 MHz
    • Reset pin allows disabling of all outputs (connected through a capacitor to ground provides power-on reset capability)

    Diagrams

    AD8104 Diagram
    Functional Block Diagram for AD8104

    Specifications

    Type 32 x 16
    Output Buffer Yes G = 1
    Supply Voltage (V) ±2.5V
    Output Swing (V) ±2V
    Small Signal BW (MHz) 600MHz
    Slew Rate (V/us) 1800
    Cross Talk @ 10 MHz (-dB) 72
    Control Interface Serial/Parallel

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    Part# Type Output Buffer Supply Voltage (V) Output Swing (V) Small Signal BW (MHz) Slew Rate (V/us) Cross Talk @ 10 MHz (-dB) Price* (1000-4999)
    AD8104 32 x 16 Yes G = 1 ±2.5 ±2 600 1,800 72 $177.10
    AD8105 32 x 16 Yes G = 2 ±2.5 ±2 600 1,800 68 $177.10
    AD8106 16 x 5 Yes G = 1 ±5 ±3 390 500 70 $15.13
    AD8107 16 x 5 Yes G = 2 ±5 ±3 260 500 80 $15.13
    AD8108 8 X 8 Yes G = 1 ±5 ±2.5 350 400 76 $18.72
    AD8109 8 X 8 Yes G = 2 ±5 ±3 250 480 83 $18.72
    AD8110 16 x 8 Yes G = 1 ±5 ±3 390 500 70 $32.89
    AD8111 16 x 8 Yes G = 2 ±5 ±3 260 500 80 $32.89
    AD8112 16 x 8 Yes G = 2 ±12 ±10 60 100 83 @ 20 kHz $10.07
    AD8113 16 X 16 Yes G = 2 ±12 ±10 60 100 83 @ 20 kHz $25.25
    AD8114 16 X 16 Yes G = 1 ±5 ±3 225 375 60 $54.64
    AD8115 16 X 16 Yes G = 2 ±5 ±3 200 450 52 $54.64
    AD8116 16 X 16 Yes G = 1 ±5 ±3 200 300 60 $79.95
    AD8117 32 X 32 Yes G = 1 ±2.5 ±2 600 1,800 65 $298.54
    AD8118 32 X 32 Yes G = 2 ±2.5 ±2 600 1,800 70 $298.54
    AD8175 Triple 16 x 9 Yes G = 2 ±2.5 ±2 500 1,800 82 $96.14
    AD8176 Triple 16 x 9 Yes G = 4 ±2.5 ±2 450 1,650 74 $96.14
    AD8177 Triple 16 x 5 Yes G = 2 ±2.5 ±2 500 1,800 82 $60.21
    AD8178 Triple 16 x 5 Yes G = 4 ±2.5 ±2 450 1,650 74 $60.21
    ADG2128 16 x 8 No ±5 ±5 300 n/a 79 dB @ 5 MHz $6.25
    ADV3200 32 X 32 Yes G = 1 ±2