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參數資料
| 型號： | AD8189Z-EVALZ |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | 350 MHz Single-Supply (5 V) Triple 2:1 Multiplexers |
| 中文描述： | 350兆赫單電源（5V）的三重2:1多路復用器 |
| 文件頁數： | 1/24頁 |
| 文件大小： | 725K |
| 代理商： | AD8189Z-EVALZ |
350 MHz Single-Supply (5 V)
Triple 2:1 Multiplexers
AD8188/AD8189
FEATURES
Fully buffered inputs and outputs
Fast channel-to-channel switching: 4 ns
Single-supply operation (5 V)
High speed
350 MHz bandwidth (3 dB) @ 200 mV p-p
300 MHz bandwidth (3 dB) @ 2 V p-p
Slew rate: 1000 V/μs
Fast settling time: 7 ns to 0.1%
Low current: 19 mA/20 mA
Excellent video specifications: load resistor (R
L
) = 150 Ω
Differential gain error: 0.05%
Differential phase error: 0.05°
Low glitch
All hostile crosstalk
84 dB @ 5 MHz
52 dB @ 100 MHz
High off isolation: 95 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
FUNCTIONAL BLOCK DIAGRAM
24
23
22
21
20
19
18
17
16
15
14
13
V
CC
V
CC
DV
CC
V
EE
OUT2
V
CC
OUT1
V
EE
OUT0
V
CC
SEL A/B
OE
1
2
3
4
5
6
7
8
9
10
11
12
IN0A
IN0B
V
EE
IN1B
V
EE
IN2B
V
EE
V
CC
IN2A
V
REF
IN1A
D
GND
0
1
2
AD8188/AD8189
ENABLE
SELECT
LOGIC
0
Figure 1.
GENERAL DESCRIPTION
The AD8188 (G = 1) and AD8189 (G = 2) are high speed,
single-supply, triple 2-to-1 multiplexers. They offer 3 dB small
signal bandwidth of 350 MHz and 3 dB large signal bandwidth
of 300 MHz, along with a slew rate in excess of 1000 V/μs. With
84 dB of all hostile crosstalk and 95 dB off isolation, the parts
are well suited for many high speed applications. The
differential gain and differential phase error of 0.05% and 0.05°
respectively, along with 0.1 dB flatness to 70 MHz, make the
AD8188 and AD8189 ideal for professional and component
video multiplexing. The parts 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.
4.0
–1.0
6.0
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
–0.5
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
0
5
10
15
20
25
I
O
TIME (ns)
INPUT
OUTPUT
0
Figure 2. AD8189 Video Amplitude Pulse Response,
V
OUT
= 1.4 V p-p, R
L
= 150 Ω
Rev. 0
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
Fax: 781.461.3113
2006 Analog Devices, Inc. All rights reserved.
www.analog.com
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