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Analog Devices - Triple 2:1 Multiplexers

Numéro de référence AD8185
Description Triple 2:1 Multiplexers
Fabricant Analog Devices 
Logo Analog Devices 





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AD8185 fiche technique
a
FEATURES
Fully Buffered Inputs and Outputs
Fast Channel-to-Channel Switching: 15 ns
High Speed
380 MHz Bandwidth (–3 dB) 200 mV p-p
310 MHz Bandwidth (–3 dB) 2 V p-p
1000 V/s Slew Rate G = +1, 2 V Step
1150 V/s Slew Rate G = +2, 2 V Step
Fast Settling Time of 15 ns to 0.1%
Low Power: 25 mA
Excellent Video Specifications (RL = 150 )
Gain Flatness of 0.1 dB to 90 MHz
0.01% Differential Gain Error
0.02؇ Differential Phase Error
Low All-Hostile Crosstalk –84 dB @ 5 MHz
–54 dB @ 50 MHz
Low Channel-to-Channel Crosstalk –56 dB @ 100 MHz
High “OFF” Isolation of –100 dB @ 10 MHz
Low Cost
Fast High Impedance Output Disable Feature for
Connecting Multiple Devices
APPLICATIONS
Pixel Switching for “Picture-In-Picture”
Switching RGB in LCD and Plasma Displays
RGB Video Switchers and Routers
PRODUCT DESCRIPTION
The AD8183 (G = +1) and AD8185 (G = +2) are high speed
triple 2:1 multiplexers. They offer –3 dB signal bandwidth up to
380 MHz, along with slew rate of 1000 V/μs. With better than
–90 dB of channel-to-channel crosstalk and isolation at 10 MHz,
they are useful in many high-speed applications. The differential
gain and differential phase errors of 0.01% and 0.02° respectively,
along with 0.1 dB flatness to 90 MHz make the AD8183 and
AD8185 ideal for professional video and RGB multiplexing. They
offer 15 ns channel-to-channel switching time, making them
an excellent choice for switching video signals, while consuming
less than 25 mA on ± 5 V supply voltages.
Both devices offer a high speed disable feature that can set the
output into a high impedance state. This allows the building of
larger input arrays while minimizing “OFF” channel output
loading. They operate on voltage supplies of ± 5 V and are offered
in a 24-lead TSSOP package.
380 MHz, 25 mA,
Triple 2:1 Multiplexers
AD8183/AD8185
FUNCTIONAL BLOCK DIAGRAM
IN0A 1
DGND 2
IN1A 3
GND 4
IN2A 5
VCC 6
VEE 7
IN2B 8
GND 9
IN1B 10
GND 11
IN0B 12
AD8183/AD8185
24 VCC
SELECT
23 OE
DISABLE
22 SEL A/B
21 VCC
0 20 OUT0
19 VEE
1 18 OUT1
17 VCC
2 16 OUT2
15 VEE
14 DVCC
13 VCC
Table I. Truth Table
SEL A/B
0
1
0
1
OE
0
0
1
1
OUT
INA
INB
High Z
High Z
VO = 1.4V STEP
1.4V RL = 150
1.2V
1.0V
0.8V
0.6V
0.4V
0.2V
0.0V
200mV
2ns
Figure 1. AD8185 Pulse Response; RL = 150 Ω
Rev. A
Document Feedback
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responsibilityisassumedbyAnalogDevices for itsuse,nor foranyinfringementsofpatentsor 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.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700 ©1999–2016 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com

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