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AD8189Z-EVALZ

更新时间： 2024-11-23 03:11:15
品牌 Logo 应用领域
亚德诺 - ADI 复用器
页数 文件大小 规格书
24页 831K
描述
350 MHz Single-Supply (5 V) Triple 2:1 Multiplexers

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AD8189Z-EVALZ 数据手册

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350 MHz Single-Supply (5 V)  
Triple 2:1 Multiplexers  
AD8188/AD8189  
FUNCTIONAL BLOCK DIAGRAM  
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 (RL) = 150 Ω  
Differential gain error: 0.05%  
Differential phase error: 0.05°  
Low glitch  
IN0A  
1
2
3
4
5
6
7
8
9
24 V  
CC  
D
23 OE  
LOGIC  
GND  
IN1A  
22 SEL A/B  
SELECT  
V
21 V  
REF  
CC  
20 OUT0  
19  
ENABLE  
0
1
2
IN2A  
V
V
CC  
EE  
18 OUT1  
17  
V
EE  
IN2B  
V
CC  
16 OUT2  
15  
V
EE  
IN1B 10  
11  
V
EE  
V
14 DV  
EE  
CC  
AD8188/AD8189  
IN0B 12  
13  
V
CC  
Figure 1.  
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  
GENERAL DESCRIPTION  
4.0  
3.5  
3.0  
2.5  
2.0  
1.5  
1.0  
0.5  
0
6.0  
5.5  
5.0  
4.5  
4.0  
3.5  
3.0  
2.5  
2.0  
1.5  
1.0  
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.  
INPUT  
OUTPUT  
–0.5  
–1.0  
0
5
10  
15  
20  
25  
TIME (ns)  
Figure 2. AD8189 Video Amplitude Pulse Response,  
VOUT = 1.4 V p-p, RL = 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 registeredtrademarks arethe 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  
www.analog.com  
©2006 Analog Devices, Inc. All rights reserved.  
 
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