參數(shù)資料
型號(hào)： 74LVXT4066
廠商： ON SEMICONDUCTOR
英文描述： Quad Analog Switch/Multiplexer/Demultiplexer High−Performance Silicon−Gate CMOS
文件頁(yè)數(shù)： 9/12頁(yè)
文件大?。?/td> 184K
代理商： 74LVXT4066
MC74LVXT4066
http://onsemi.com
9
0
10
20
30
40
50
1.0
2.0
FREQUENCY (kHz)
d
60
70
80
90
FUNDAMENTAL FREQUENCY
DEVICE
SOURCE
Figure 15. Plot, Harmonic Distortion
3.0
APPLICATION INFORMATION
The ON/OFF Control pins should be at V
IH
or V
IL
logic
levels, V
IH
being recognized as logic high and V
IL
being
recognized as a logic low. Unused analog inputs/outputs
may be left floating (not connected). However, it is
advisable to tie unused analog inputs and outputs to V
CC
or
GND through a low value resistor. This minimizes crosstalk
and feedthrough noise that may be pickedup by the unused
I/O pins.
The maximum analog voltage swings are determined by
the supply voltages V
CC
and GND. The positive peak analog
voltage should not exceed V
CC
. Similarly, the negative peak
analog voltage should not go below GND. In the example
below, the difference between V
CC
and GND is six volts.
Therefore, using the configuration in Figure 16, a maximum
analog signal of six volts peaktopeak can be controlled.
When voltage transients above V
CC
and/or below GND
are anticipated on the analog channels, external diodes (Dx)
are recommended as shown in Figure 17. These diodes
should be small signal, fast turnon types able to absorb the
maximum anticipated current surges during clipping. An
alternate method would be to replace the Dx diodes with
Mosorbs (Mosorb
is an acronym for high current surge
protectors). Mosorbs are fast turnon devices ideally suited
for precise DC protection with no inherent wear out
mechanism.
ANALOG O/I
ON
14
V
CC
= 6.0 V
ANALOG I/O
+ 6.0 V
0 V
+ 6.0 V
0 V
OTHER CONTROL
INPUTS
(V
IH
OR V
IL
)
ON
16
V
CC
D
x
D
x
V
CC
D
x
Figure 16. 6.0 V Application
Figure 17. Transient Suppressor Application
7
SELECTED
CONTROL
INPUT
D
x
OTHER CONTROL
INPUTS
(V
IH
OR V
IL
)
7
SELECTED
CONTROL
INPUT
V
IH
V
IH
相關(guān)PDF資料
PDF描述
74VCX162240 Low-Voltage 1.8/2.5/3.3V 16-Bit Buffer With 26 Ω Series Resistors 3.6 V-Tolerant Inputs and Outputs (3-State, Inverting)(帶26Ω串聯(lián)電阻器,3.6V容限輸入和輸出的低壓1.8/2.5/3.3V,16位緩沖器(3態(tài),反相))
74VCX162244 Low-Voltage 1.8/2.5/3.3V 16-Bit Buffer With 26 Ω Series Resistors 3.6 V-Tolerant Inputs and Outputs (3-State,Non-Inverting)(帶26Ω串聯(lián)電阻器,3.6V容限輸入和輸出的低壓1.8/2.5/3.3V,16位緩沖器(3態(tài),同相))
74VCX162373 Low-Voltage 1.8/2.5/3.3V 16-Bit Transparent Latch With 26 Ω Series Resistors 3.6 V-Tolerant Inputs and Outputs (3-State, Non-Inverting)(帶26Ω串聯(lián)電阻器,3.6V容限輸入和輸出的低壓1.8/2.5/3.3V,16位透明鎖存器(3態(tài),同相))
74VCX162374 Low-Voltage 1.8/2.5/3.3V 16-Bit D-Type Flip-Flop With 26 Ω Series Resistors 3.6 V-Tolerant Inputs and Outputs (3-State, Non-Inverting)(帶26Ω串聯(lián)電阻器,3.6V容限輸入和輸出的低壓1.8/2.5/3.3V 16位D觸發(fā)器(3態(tài),同相))
74VCX16240 Low-Voltage 1.8/2.5/3.3V 16-Bit Buffer With 3.6 V-Tolerant Inputs and Outputs (3-State, Inverting)(低壓1.8/2.5/3.3V,3.6V容限輸入和輸出,16位緩沖器(3態(tài),反相))
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