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AD8186 Datasheet

  • AD8186

  • 480 MHz Single-Supply (5 V) Triple 2:1 Multiplexers

  • 780.00KB

  • 21页

  • AD

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a
FEATURES
Fully Buffered Inputs and Outputs
Fast Channel-to-Channel Switching: 4 ns
Single-Supply Operation (5 V)
High Speed:
480 MHz Bandwidth (鈥? dB) 2 V p-p
>1600 V/ s (G = +1)
>1500 V/ s (G = +2)
Fast Settling Time of 7 ns to 0.1%
Low Current: 19 mA/20 mA
Excellent Video Specifications (R
L
= 150 )
0.05% Differential Gain Error
0.05 Differential Phase Error
Low Glitch
All Hostile Crosstalk
鈥?4 dB @ 5 MHz
鈥?2 dB @ 100 MHz
High Off Isolation of 鈥?5 dB @ 5 MHz
Low Cost
Fast, High Impedance Disable Feature for Connecting
Multiple Outputs
Logic-Shifted Outputs
APPLICATIONS
Switching RGB in LCD and Plasma Displays
RGB Video Switchers and Routers
GENERAL DESCRIPTION
480 MHz Single-Supply (5 V)
Triple 2:1 Multiplexers
AD8186/AD8187
FUNCTIONAL BLOCK DIAGRAM
IN0A
1
D
GND
2
24
V
CC
LOGIC
SELECT
0
23
OE
22
SEL A/B
IN1A
3
V
REF 4
IN2A
5
V
CC 6
V
EE 7
IN2B
8
V
EE 9
IN1B
10
V
EE 11
IN0B
12
ENABLE
21
V
CC
20
OUT 0
19
V
EE
1
18
OUT 1
17
V
CC
2
16
OUT 2
15
V
EE
14
DV
CC
AD8186/AD8187
13
V
CC
Table I. Truth Table
SEL A/B
0
1
1
0
OE
0
0
1
1
OUT
High Z
High Z
IN A
IN B
4.0
3.5
3.0
INPUT VOLTAGE (V)
6.0
5.5
5.0
OUTPUT VOLTAGE (V)
The AD8186 (G = +1) and AD8187 (G = +2) are high speed,
single-supply, triple 2-to-1 multiplexers. They offer 鈥? dB large signal
bandwidth of over 480 MHz along with a slew rate in excess of
1500 V/碌s. With better than 鈥?0 dB of all hostile crosstalk and
鈥?5 dB OFF isolation, they are suited for many high speed appli-
cations. The differential gain and differential phase error of 0.05%
and 0.05掳, along with 0.1 dB flatness to 85 MHz, make the
AD8186 and AD8187 ideal for professional and component video
multiplexing. They offer 4 ns switching time, making them an
excellent choice for switching video signals while consuming less
than 20 mA on a single 5 V supply (100 mW). Both devices have a
high speed disable feature that sets the outputs into a high
impedance state. This allows the building of larger input arrays
while minimizing OFF channel output loading. The devices are
offered in a 24-lead TSSOP package.
2.5
2.0
1.5
1.0
0.5
0
鈥?.5
鈥?.0
0
INPUT
4.5
4.0
3.5
3.0
OUTPUT
2.5
2.0
1.5
1.0
5
10
TIME (ns)
15
20
25
Figure 1. AD8187 Video Amplitude Pulse
Response, V
OUT
= 1.4 V p-p, R
L
= 150
鈩?/div>
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. Trademarks and
registered trademarks are the property of their respective companies.
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
漏 2003 Analog Devices, Inc. All rights reserved.

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