AD8109: 325 MHz, 8 x 8 Buffered Video Crosspoint Switch (Gain = 2)
The AD8108/AD81091 are high speed 8 x 8 video crosspoint switch matrices. They offer a –3 dB signal bandwidth greater than 250 MHz and channel switch times of less than 25 ns with 1% ...More
AD8109: 325 MHz, 8 x 8 Buffered Video Crosspoint Switch (Gain = 2)
Product Description
The AD8108/AD81091 are high speed 8 x 8 video crosspoint switch matrices. They offer a –3 dB signal bandwidth greater than 250 MHz and channel switch times of less than 25 ns with 1% settling. With –83 dB of crosstalk and –98 dB isolation (@ 5 MHz), the AD8108/AD8109 are useful in many high speed applications. The differential gain and differential phase of better than 0.02% and 0.02°, respectively, along with 0.1 dB flatness out to 60 MHz, make the AD8108/AD8109 ideal for video signal switching.
The AD8108/AD8109 is packaged in an 80-lead LQFP package and is available over the extended industrial temperature range of -40°C to +85°C.
An evaluation board is available for this product and may be ordered using the following product number: AD8108-EB and AD8109-EB. Schematic and layout for this evaluation board is contained in the product datasheet.
Features
- 8 x 8 high speed nonblocking switch arrays
AD8108: G = 1
AD8109: G = 2 - Serial or parallel programming of switch array
- Serial data out allows daisy-chaining of multiple 8 x 8 arrays to create larger switch arrays
- Output disable allows connection of multiple devices
- Pin-compatible with AD8110/AD8111 16 x 8 switch arrays
For 16 x 16 arrays see AD8116 - Complete solution
Buffered inputs
Eight output amplifiers, AD8109 (G = 2)
Drives 150 Ω loads
- Excellent video performance
60 MHz 0.1 dB gain flatness
0.02%/0.02° differential gain/differential
phase error - Excellent ac performance
-3 dB bandwidth: 325 MHz (AD8108), 250 MHz (AD8109)
Slew rate: 400 V/µs (AD8108), 480 V/µs (AD8109) - Low power of 45 mA
- Low all hostile crosstalk of -83 dB @ 5 MHz
- Reset pin allows disabling of all outputs (connected through a capacitor to ground provides power-on reset capability)
- Excellent ESD rating: exceeds 4000 V human body model
Diagrams
- Enlarge
- Other Diagrams
- Symbols and Footprints
Funtional Block Diagram for AD8109
325 MHz, 8 x 8 Buffered Video Crosspoint Switch (Gain = 2)
Other Diagrams for AD8109
325 MHz, 8 x 8 Buffered Video Crosspoint Switch (Gain = 2)
AD8109 Pin Configuration
Functional Block Diagram for AD8109
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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 |
* The pricing listed here is provided only for budgetary purposes as recommended list price in U.S.
Dollars in the United States ex factor per unit for the stated volume. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
** Pricing is currently unavailable. Click on the product number to see the Product Page for additional information.