參數(shù)資料
型號(hào): MAX4780
廠商: Maxim Integrated Products, Inc.
英文描述: 0.7 M Low-Voltage, Quad 2:1 Analog Multiplexers
中文描述: 0.7Ω、低電壓、四路、2:1模擬多路復(fù)用器
文件頁(yè)數(shù): 8/13頁(yè)
文件大?。?/td> 349K
代理商: MAX4780
Logic Inputs
The MAX4780/MAX4784 logic inputs can be driven up
to +4.2V regardless of the supply voltage. For example,
with a +1.8V supply, A_ and
EN
may be driven low to
GND and high to +4.2V. Driving A_ and
EN
rail-to-rail
minimizes power consumption. Drive
EN
low to enable
the COM_ outputs. When
EN
is high, the COM_ outputs
are high impedance.
Analog Signal Levels
Analog signals that range over the entire supply voltage
(V+ to GND) can be passed with very little change in on-
resistance (see the
Typical Operating Characteristics
).
The switches are bidirectional, so the NO_, NC_, and
COM_ pins can be used as either inputs or outputs.
Layout
High-speed switches require proper layout and design
procedures for optimum performance. Reduce stray
inductance and capacitance by keeping traces short
and wide. Ensure that bypass capacitors are as close
to the device as possible. Use large ground planes
where possible.
M
0.7
, Low-Voltage, Quad 2:1 Analog
Multiplexers
8
_______________________________________________________________________________________
Test Circuits/Timing Diagrams
V
A0
V+
V
OUT
GND
V+
A0
COM
NO
V
NO_
NC
MAX4780/
MAX4784
R
L
C
L
*
*C
L
INCLUDES STRAY CAPACITANCE.
**MAX4784 ONLY.
EN**
50%
V
IH
+ 0.5V
V
A0
0
V
OUT
GND
90%
t
OFF
t
ON
t
R
< 5ns
t
F
< 5ns
Figure 1. Turn-On and Turn-Off Times
50%
V
IH
+ 0.5V
V
A0
0
V
COM
V
OUT
0
90%
t
BBM
V
A0
V+
V
OUT
GND
V+
A0
NC, NO
COM
V
N_ _
MAX4780/
MAX4784
R
L
C
L
*
*C
L
INCLUDES STRAY CAPACITANCE.
**MAX4784 ONLY.
t
R
< 5ns
t
F
< 5ns
EN**
Figure 2. Break-Before-Make Interval
相關(guān)PDF資料
PDF描述
MAX4780ETE 0.7 M Low-Voltage, Quad 2:1 Analog Multiplexers
MAX4780EUE 0.7 M Low-Voltage, Quad 2:1 Analog Multiplexers
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