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AD8185ARUZ-REEL 数据手册 - ADI（亚德诺）
制造商:
ADI（亚德诺）
分类:
多工器
封装:
TSSOP-24
描述:
多路复用开关 IC 310MHz 25mA Triple 2:1 Buffered
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AD8185ARUZ-REEL数据手册
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a
AD8183/AD8185
380 MHz, 25 mA,
Triple 2:1 Multiplexers
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 (R
L
= 150 ⍀)
Gain Flatness of 0.1 dB to 90 MHz
0.01% Differential Gain Error
0.02ⴗ 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.
Table I. Truth Table
SEL A/B OE OUT
0 0 INA
1 0 INB
0 1 High Z
1 1 High Z
200mV
2ns
V
O
= 1.4V STEP
R
L
= 150⍀
1.4V
1.2V
1.0V
0.8V
0.6V
0.4V
0.2V
0.0V
Figure 1. AD8185 Pulse Response; R
L
= 150
Ω
FUNCTIONAL BLOCK DIAGRAM
AD8183/AD8185
IN0B
GND
IN1B
GND
IN2B
IN0A
DGND
IN1A
GND
V
EE
V
CC
IN2A
1
2
3
4
5
6
7
8
9
10
11
12
V
CC
DVCC
V
EE
OUT2
V
CC
V
CC
OE
SEL A/B
V
CC
OUT1
V
EE
OUT0
24
23
22
21
20
19
18
17
16
15
14
13
SELECT
DISABLE
0
1
2
Rev. A
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