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AD8143 Datasheet(PDF) 1 Page - Analog Devices

Part No. AD8143
Description  High Speed, Triple Differential Receiver with Comparators
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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AD8143 Datasheet(HTML) 1 Page - Analog Devices

 
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High Speed, Triple Differential
Receiver with Comparators
AD8143
Rev. 0
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
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.
FEATURES
High speed
160 MHz large signal bandwidth
1000 V/μs slew rate @ G = 1, VO = 2 V p-p
High CMRR: 65 dB @ 10 MHz
High differential input impedance: 5 MΩ
Input common-mode range: ±10.5 V (±12 V supplies)
User-adjustable gain
Wide power supply range: +5 V to ±12 V
Fast settling: 8 ns to 1%
Disable feature
Low offset: ±3.4 mV on 5 V supply
2 on-chip comparators
Small packaging: 32-lead, 5 mm × 5 mm LFCSP
APPLICATIONS
RGB video receivers
KVM (keyboard-video-mouse)
UTP (unshielded twisted pair) receivers
PIN CONFIGURATION
REF_G
GND
IN+_G
FB_G
REF_R
IN–_G
GND
FB_R
OUT_B
GND
OUT_R
OUT_G
COMPB_IN+
VS+
GND
COMPB_IN–
AD8143
A
B
32
31
30
29
28
27
26
25
9
10
11121314
1516
24
23
22
21
20
19
18
17
1
2
3
4
5
6
7
8
Figure 1.
GENERAL DESCRIPTION
The AD8143 is a triple, low cost, differential-to-
single-ended receiver specifically designed for
receiving red-green-blue (RGB) signals over twisted
pair cable. It can also be used for receiving any type of
analog signal or high speed data transmission. Two
auxiliary comparators are provided to receive digital
or sync signals. The AD8143 can be used in conjunction
with the AD8133 and AD8134 triple, differential
drivers to provide a complete low cost solution for
RGB over Category-5 UTP cable applications,
including KVM.
The excellent common-mode rejection (65 dB @
10 MHz) of the AD8143 allows for the use of low cost
unshielded twisted pair cables in noisy environments.
The AD8143 has a wide power supply range from single +5 V
supply to ±12 V, which allows for a wide common-mode range.
The wide common-mode input range of the AD8143 maintains
signal integrity in systems where the ground potential is a few
volts different between the drive and receive ends without the
use of isolation transformers.
The AD8143 is stable at a gain of 1. Closed-loop gain is easily
set using external resistors.
The AD8143 is available in a 5 mm × 5 mm, 32-lead LFCSP and
is rated to work over the extended industrial temperature range
of −40°C to +85°C.


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