參數(shù)資料
型號(hào): MAX4066EPD
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類(lèi): 運(yùn)動(dòng)控制電子
英文描述: Low-Cost, Low-Voltage, Quad, SPST, CMOS Analog Switches
中文描述: QUAD 1-CHANNEL, SGL POLE SGL THROW SWITCH, PDIP14
封裝: 0.300 INCH, PLASTIC, DIP-14
文件頁(yè)數(shù): 7/12頁(yè)
文件大?。?/td> 112K
代理商: MAX4066EPD
__________Applic ations Information
Overvoltage Protec tion
Proper power-supply sequencing is recommended for
all CMOS devices. Do not exceed the absolute maxi-
mum ratings, because stresses beyond the listed rat-
ings may cause permanent damage to the devices.
Always sequence V+ on first, followed by the logic
inputs. If power-supply sequencing is not possible, add
two small signal diodes in series with supply pins for
overvoltage protection (Figure 1). Adding diodes
reduces the analog signal range to 1V below V+ and
1V above GND, but low switch resistance and low leak-
age characteristics are unaffected. Device operation is
unchanged, and the difference between V+ and GND
should not exceed 17V.
M
Low-Cost, Low-Voltage, Quad, S PS T,
CMOS Analog S witc hes
_______________________________________________________________________________________
7
______________________________________________________________Pin Desc ription
Ground
8
7
Positive Supply Voltage
16
14
Logic Control Inputs
15, 6, 7, 14
13, 5, 6, 12
Not internally connected
3, 11
Analog Switch Common Terminal (bidirectional)
2, 5, 10, 12
2, 4, 9, 10
Analog Switch Normally Open Terminal (bidirectional)
1, 4, 9, 13
1, 3, 8, 11
GND
V+
IN1–IN4
N.C.
COM1–COM4
NO1–NO4
PIN
FUNCTION
DIP/SO
QSOP
NAME
POSITIVE SUPPLY
COM
NO
Vg
V+
MAX4066
MAX4066A
Figure 1. Overvoltage Protection Using Two External Blocking
Diodes
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