參數(shù)資料
型號: MC74LVXT4066MEL
廠商: ON Semiconductor
文件頁數(shù): 13/13頁
文件大?。?/td> 0K
描述: IC MUX/DEMUX QUAD 1X1 14SOEIAJ
標(biāo)準(zhǔn)包裝: 2,000
系列: 74LVXT
功能: 多路復(fù)用器/多路分解器
電路: 4 x 1:1
導(dǎo)通狀態(tài)電阻: 30 歐姆
電壓電源: 單電源
電壓 - 電源,單路/雙路(±): 2 V ~ 5.5 V
電流 - 電源: 40µA
工作溫度: -55°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 14-SOIC(0.209",5.30mm 寬)
供應(yīng)商設(shè)備封裝: SOEIAJ-14
包裝: 帶卷 (TR)
MC74LVXT4066
http://onsemi.com
9
0
-10
-20
-30
-40
-50
1.0
2.0
FREQUENCY (kHz)
dBm
-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 VIH or VIL logic
levels, VIH being recognized as logic high and VIL 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 VCC 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 VCC and GND. The positive peak analog
voltage should not exceed VCC. Similarly, the negative peak
analog voltage should not go below GND. In the example
below, the difference between VCC 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 VCC 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
VCC = 6.0 V
ANALOG I/O
+ 6.0 V
0 V
+ 6.0 V
0 V
OTHER CONTROL
INPUTS
(VIH OR VIL)
ON
16
VCC
Dx
VCC
Dx
Figure 16. 6.0 V Application
Figure 17. Transient Suppressor Application
7
SELECTED
CONTROL
INPUT
Dx
OTHER CONTROL
INPUTS
(VIH OR VIL)
7
SELECTED
CONTROL
INPUT
VIH
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