参数资料
型号: 74VHC4066
厂商: Fairchild Semiconductor Corporation
英文描述: Quad Analog Switch
中文描述: 四路模拟开关
文件页数: 8/12页
文件大小: 215K
代理商: 74VHC4066
MC74VHC4066
MOTOROLA
VHC Data – Advanced CMOS Logic
DL203 — Rev 2
8
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 VCC or GND logic
levels, VCC being recognized as logic high and GND 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 picked–up 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 twelve volts.
Therefore, using the configuration in Figure 16, a maximum
analog signal of twelve volts peak–to–peak can be con-
trolled.
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 turn–on types able to absorb the
maximum anticipated current surges during clipping. An
alternate method would be to replace the Dx diodes with
MO sorbs (Motorola high current surge protectors).
MO sorbs are fast turn–on devices ideally suited for precise
DC protection with no inherent wear out mechanism.
ANALOG O/I
ON
14
VCC = 12 V
ANALOG I/O
+ 12 V
0 V
+ 12 V
0 V
OTHER CONTROL
INPUTS
(VCC OR GND)
ON
16
VCC
Dx
Dx
VCC
Dx
Figure 16. 12 V Application
Figure 17. Transient Suppressor Application
7
SELECTED
CONTROL
INPUT
Dx
OTHER CONTROL
INPUTS
(VCC OR GND)
7
SELECTED
CONTROL
INPUT
VCC
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相关代理商/技术参数
参数描述
74VHC4066_05 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:Quad Analog Switch
74VHC4066M 功能描述:模拟开关 IC Quad Analog Switch RoHS:否 制造商:Texas Instruments 开关数量:2 开关配置:SPDT 开启电阻(最大值):0.1 Ohms 切换电压(最大): 开启时间(最大值): 关闭时间(最大值): 工作电源电压:2.7 V to 4.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-16
74VHC4066M 制造商:Fairchild Semiconductor Corporation 功能描述:IC 74VHC CMOS SMD 74VHC4066
74VHC4066M_Q 功能描述:模拟开关 IC Quad Analog Switch RoHS:否 制造商:Texas Instruments 开关数量:2 开关配置:SPDT 开启电阻(最大值):0.1 Ohms 切换电压(最大): 开启时间(最大值): 关闭时间(最大值): 工作电源电压:2.7 V to 4.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-16
74VHC4066MTC 功能描述:模拟开关 IC Quad Analog Switch RoHS:否 制造商:Texas Instruments 开关数量:2 开关配置:SPDT 开启电阻(最大值):0.1 Ohms 切换电压(最大): 开启时间(最大值): 关闭时间(最大值): 工作电源电压:2.7 V to 4.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-16