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AD8110AST Fiches technique(PDF) 1 Page - Analog Devices

No de pièce AD8110AST
Description  260 MHz, 16  8 Buffered Video Crosspoint Switches
Download  29 Pages
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Fabricant  AD [Analog Devices]
Site Internet  http://www.analog.com
Logo AD - Analog Devices

AD8110AST Fiches technique(HTML) 1 Page - Analog Devices

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REV. A
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. No license is granted by implication or otherwise
under any patent or patent rights of Analog Devices.
a
AD8110/AD8111
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
www.analog.com
Fax: 781/326-8703
© Analog Devices, Inc., 2002
260 MHz, 16
8 Buffered
Video Crosspoint Switches
FEATURES
16
8 High-Speed Nonblocking Switch Arrays
AD8110: G = +1
AD8111: G = +2
Serial or Parallel Switch Array Control
Serial Data Out Allows “Daisy Chaining” of Multiple
Crosspoints to Create Larger Switch Arrays
Pin-Compatible with AD8108/AD8109 8
8 Switch
Arrays
For a 16
16 Array See AD8116
Complete Solution
Buffered Inputs
Eight Output Amplifiers, AD8110 (G = +1),
AD8111 (G = +2)
Drives 150 V Loads
Excellent Video Performance
60 MHz 0.1 dB Gain Flatness
0.02% Differential Gain Error (RL = 150 V)
0.028 Differential Phase Error (RL = 150 V)
Excellent AC Performance
260 MHz –3 dB Bandwidth
500 V/ms Slew Rate
Low Power of 50 mA
Low All Hostile Crosstalk of –78 dB @ 5 MHz
Output Disable Allows Direct Connection of Multiple
Device Outputs
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 Package (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)
FUNCTIONAL BLOCK DIAGRAM
AD8110/AD8111
SWITCH
MATRIX
OUTPUT
BUFFER
G = +1,
G = +2
40
40
128
40-BIT SHIFT REGISTER
WITH 5-BIT
PARALLEL LOADING
PARALLEL LATCH
DECODE
8
5:16 DECODERS
8
CLK
DATA IN
UPDATE
CE
RESET
16 INPUTS
A0
DATA
OUT
8 OUTPUTS
SET INDIVIDUAL
OR RESET ALL
OUTPUTS
TO "OFF"
A1
A2
SER/PAR D0 D1 D2 D3 D4
PRODUCT DESCRIPTION
The AD8110 and AD8111 are high-speed 16
× 8 video cross-
point switch matrices. They offer a –3 dB signal bandwidth
greater than 260 MHz, and channel switch times of less than
25 ns with 1% settling. With –78 dB of crosstalk and –97 dB
isolation (@ 5 MHz), the AD8110/AD8111 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 AD8110/AD8111
ideal for video signal switching.
The AD8110 and AD8111 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 AD8110 has a gain of +1, while the AD8111
offers a gain of +2. They operate on voltage supplies of
±5 V
while consuming only 50 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 repro-
gramming the entire array.
The AD8110/AD8111 is packaged in an 80-lead LQFP package
and is available over the extended industrial temperature range
of –40
°C to +85°C.


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