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| 型號： | AD8108ASTZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 1/33頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC VIDEO CROSSPOINT SWIT 80LQFP |
| 標準包裝： | 1 |
| 功能： | 視頻交叉點開關 |
| 電路： | 1 x 8:8 |
| 電壓電源： | 雙電源 |
| 電壓 - 電源，單路/雙路(±)： | ±4.5 V ~ 5.5 V |
| 電流 - 電源： | 33mA |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 80-LQFP |
| 供應商設備封裝： | 80-LQFP（12x12） |
| 包裝： | 托盤 |
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325 MHz, 8 × 8 Buffered Video
Crosspoint Switches
AD8108/AD8109
Rev. B
Information furnished by Analog Devices is believed to be accurate and reliable.
However, no responsibility is assumed by Analog Devices for its use, nor for any
infringements of patents or other rights of third parties that may result from its use.
Specifications subject to change without notice. No license is granted by implication
or otherwise under any patent or patent rights of Analog Devices. Trademarks and
registered trademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
2005 Analog Devices, Inc. All rights reserved.
EATURES
8 × 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 × 8 arrays
to create larger switch arrays
Output disable allows connection of multiple devices
Pin-compatible with AD8110/AD8111 16 × 8 switch arrays
For 16 × 16 arrays see AD8116
Complete solution
Buffered inputs
Eight output amplifiers
AD8108 (G = 1)
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
(RL = 150 Ω)
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
80-lead LQFP (12 mm × 12 mm)
APPLICATIONS
Routing of high speed signals including
Composite video (NTSC, PAL, S, SECAM)
Component video (YUV, RGB)
Compressed video (MPEG, Wavelet)
3-level digital video (HDB3)
GENERAL DESCRIPTION
The AD8108/AD8109 are high speed 8 × 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%
FUNCTIONAL BLOCK DIAGRAM
AD8108/AD8109
SWITCH
MATRIX
OUTPUT
BUFFER
G = +1
G = +2
32
64
32-BIT SHIFT REGISTER
WITH 4-BIT
PARALLEL LOADING
PARALLEL LATCH
DECODE
8
4:8 DECODERS
8
CLK
DATA IN
UPDATE
CE
RESET
8 INPUTS
A0
DATA
OUT
8 OUTPUTS
SET INDIVIDUAL
OR RESET ALL
OUTPUTS
TO "OFF"
A1
A2
SER/PAR D0 D1 D2 D3
E
NABL
E
/DIS
ABL
E
01068-001
Figure 1. Functional Block Diagram
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 and AD8109 include eight independent output
buffers that can be placed into a high impedance state for paral-
leling crosspoint outputs so that off channels do not load the
output bus. The AD8108 has a gain of 1, while the AD8109
offers a gain of 2. They operate on voltage supplies of ±5 V
while consuming only 45 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
re-programming the entire array.
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.
相關PDF資料 |
PDF描述 |
|---|---|
| AD8110ASTZ | IC VIDEO CROSSPOINT SWIT 80LQFP |
| AD8112JSTZ | IC CROSSPOINT SWIT 16X8 100LQFP |
| AD8113JSTZ | IC VIDEO CROSSPOINT SWIT 100LQFP |
| AD8114ASTZ | IC VIDEO CROSSPOINT SWIT 100LQFP |
| AD8116JSTZ | IC VIDEO CROSSPOINT SWIT 128LQFP |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| AD8108ASTZ | 制造商:Analog Devices 功能描述:IC SWITCH VIDEO |
| AD8108ASTZ2 | 制造商:AD 制造商全稱:Analog Devices 功能描述:325 MHz, 8 ?? 8 Buffered Video Crosspoint Switches |
| AD8108EB | 制造商:Analog Devices 功能描述: |
| AD8108-EB | 制造商:Analog Devices 功能描述:Evaluation Board For IC Video Crosspt 325MHz 8X8 制造商:Analog Devices 功能描述:VID CROSSPT 325MHZ 8X8 - Bulk |
| AD8109 | 制造商:AD 制造商全稱:Analog Devices 功能描述:325 MHz, 8 x 8 Buffered Video Crosspoint Switches |
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