參數(shù)資料
型號: MAX4590CAE+T
廠商: Maxim Integrated Products
文件頁數(shù): 11/12頁
文件大?。?/td> 0K
描述: IC SWITCH DUAL SPST 16SSOP
產(chǎn)品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 2,000
功能: 開關(guān)
電路: 2 x SPST - NO
導通狀態(tài)電阻: 1.25 歐姆
電壓電源: 單/雙電源
電壓 - 電源,單路/雙路(±): 4.5 V ~ 36 V,±4.5 V ~ 20 V
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 16-SSOP(0.209",5.30mm 寬)
供應商設(shè)備封裝: 16-SSOP
包裝: 帶卷 (TR)
MAX4580/MAX4590/MAX4600
1.25
, Dual SPST,
CMOS Analog Switches
8
_______________________________________________________________________________________
___________Applications Information
Overvoltage Protection
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 can cause permanent damage to the devices.
Always sequence V+ on first, then V-, followed by the
logic inputs, NO, or COM. If power-supply sequencing
is not possible, add two small signal diodes (D1, D2) in
series with supply pins for overvoltage protection
(Figure 1). Adding diodes reduces the analog signal
range to one diode drop below V+ and one diode drop
above V-, but does not affect the devices’ low switch
resistance and low leakage characteristics. Device
operation is unchanged, and the difference between V+
and V- should not exceed 44V. These protection diodes
are not recommended when using a single supply.
COM_
V-
V+
NO_
* INTERNAL PROTECTION DIODES
D2
D1
-15V
+15V
MAX4580
MAX4590
MAX4600
*
tr < 20ns
tf < 20ns
50%
0
LOGIC
INPUT
V-
-15V
RL
100
NO_
OR NC_
GND
CL INCLUDES FIXTURE AND STRAY CAPACITANCE.
SWITCH
INPUT
IN_
+3V
tOFF
0
COM_
SWITCH
OUTPUT
0.9V0
tON
VO
SWITCH
OUTPUT
LOGIC
INPUT
LOGIC INPUT WAVEFORMS INVERTED FOR SWITCHES
THAT HAVE THE OPPOSITE LOGIC SENSE.
VL
V+
CL
35pF
+5V
+15V
VO
VCOM_
0
REPEAT TEST FOR EACH SWITCH. FOR LOAD
CONDITIONS, SEE Electrical Characteristics.
MAX4580
MAX4590
MAX4600
VO = VCOM
(
)
RL + RON
RL
Figure 1. Overvoltage Protection Using External Blocking
Diodes
Figure 2. Switching-Time Test Circuit
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