RL Figure 24. Crosstalk Between Any Two Switc" />
參數(shù)資料
型號(hào)： MC74VHC4053MG
廠商： ON Semiconductor
文件頁(yè)數(shù)： 3/17頁(yè)
文件大?。?/td> 0K
描述： IC MUX/DEMUX TRIPLE 2X1 16SOEIAJ
產(chǎn)品變化通告： Product Discontinuation 27/Jan/2012
標(biāo)準(zhǔn)包裝： 50
系列： 74VHC
功能： 多路復(fù)用器/多路分解器
電路： 3 x 2:1
導(dǎo)通狀態(tài)電阻： 100 歐姆
電壓電源： 單/雙電源
電壓 - 電源，單路/雙路(±)： 2 V ~ 6 V，±1 V ~ 6 V
工作溫度： -55°C ~ 125°C
安裝類型： 表面貼裝
封裝/外殼： 16-SOIC（0.209"，5.30mm 寬）
供應(yīng)商設(shè)備封裝： 16-SOEIAJ
包裝： 管件
MC74VHC4051, MC74VHC4052, MC74VHC4053
http://onsemi.com
11
RL
Figure 24. Crosstalk Between Any Two
Switches, Test SetUp
Figure 25. Power Dissipation Capacitance,
Test SetUp
Figure 26. Total Harmonic Distortion, Test SetUp
Figure 27. Plot, Harmonic Distortion
0
-10
-20
-30
-40
-50
- 100
1.0
2.0
3.125
FREQUENCY (kHz)
dB
-60
-70
-80
-90
FUNDAMENTAL FREQUENCY
DEVICE
SOURCE
ON
6
7
8
16
VEE
CL*
*Includes all probe and jig capacitance
OFF
RL
VIS
RL
CL*
VOS
fin
0.1
μF
ON/OFF
6
7
8
16
VCC
CHANNEL SELECT
NC
COMMON O/I
OFF/ON
ANALOG I/O
VCC
A
11
VCC
VEE
ON
6
7
8
16
VCC
VEE
0.1
μF
CL*
fin
RL
TO
DISTORTION
METER
*Includes all probe and jig capacitance
VOS
VIS
APPLICATIONS INFORMATION
The Channel Select and Enable control pins should be at
VCC or GND logic levels. VCC being recognized as a logic
high and GND being recognized as a logic low. In this
example:
VCC = +5V = logic high
GND = 0V = logic low
The maximum analog voltage swings are determined by
the supply voltages VCC and VEE. The positive peak analog
voltage should not exceed VCC. Similarly, the negative peak
analog voltage should not go below VEE. In this example,
the difference between VCC and VEE is ten volts. Therefore,
using the configuration of Figure 28, a maximum analog
signal of ten volts peaktopeak can be controlled. Unused
analog inputs/outputs may be left floating (i.e., not
connected). However, tying unused analog inputs and
outputs to VCC or GND through a low value resistor helps
minimize crosstalk and feedthrough noise that may be
picked up by an unused switch.
Although used here, balanced supplies are not a
requirement. The only constraints on the power supplies are
that:
VCC GND = 2 to 6 volts
VEE GND = 0 to 6 volts
VCC VEE = 2 to 12 volts
and VEE ≤ GND
When voltage transients above VCC and/or below VEE are
anticipated on the analog channels, external Germanium or
Schottky diodes (Dx) are recommended as shown in Figure
29. These diodes should be able to absorb the maximum
anticipated current surges during clipping.
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