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參數(shù)資料
| 型號： | MAX4690EWE |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 運動控制電子 |
| 英文描述： | 1.25з, Dual SPST, CMOS Analog Switches |
| 中文描述： | DUAL 1-CHANNEL, SGL POLE SGL THROW SWITCH, PDSO16 |
| 封裝： | 0.300 INCH, MS-013AA, SOIC-16 |
| 文件頁數(shù)： | 8/12頁 |
| 文件大?。?/td> | 158K |
| 代理商： | MAX4690EWE |
M
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 the supply pins and a Schottky diode
between V+ and V
L
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.
COM_
V
L
V-
V+
NO_
* INTERNAL PROTECTION DIODES
D2
D1
-15V
+15V
MAX4680
MAX4690
MAX4700
*
*
*
*
tr < 20ns
tf < 20ns
50%
0
LOGIC
INPUT
V-
-15V
R
L
100
NO_
OR NC_
GND
C
L
INCLUDES FIXTURE AND STRAY CAPACITANCE.
V
O
= V
COM
( )
SWITCH
INPUT
IN_
+3V
t
OFF
0
COM_
SWITCH
OUTPUT
0.9V
0
0.9V
0
t
ON
V
O
SWITCH
OUTPUT
LOGIC
INPUT
LOGIC INPUT WAVEFORMS INVERTED FOR SWITCHES
THAT HAVE THE OPPOSITE LOGIC SENSE.
V
L
V+
C
L
35pF
+5V
+15V
V
O
V
COM_
0
REPEAT TEST FOR EACH SWITCH. FOR LOAD
CONDITIONS, SEE Electrical Characteristics.
MAX4680
MAX4690
MAX4700
R
L
Figure 1. Overvoltage Protection Using External Blocking Diodes
Figure 2. Switching-Time Test Circuit
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX4690EWE+ | 功能描述:模擬開關(guān) IC 1.25Ohm SPST/SPDT Analog Switch RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:2 開關(guān)配置:SPDT 開啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開啟時間（最大值）: 關(guān)閉時間（最大值）: 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
| MAX4690EWE+T | 功能描述:模擬開關(guān) IC 1.25Ohm SPST/SPDT Analog Switch RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:2 開關(guān)配置:SPDT 開啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開啟時間（最大值）: 關(guān)閉時間（最大值）: 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
| MAX4690EWE-T | 功能描述:模擬開關(guān) IC RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:2 開關(guān)配置:SPDT 開啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開啟時間（最大值）: 關(guān)閉時間（最大值）: 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
| MAX4691EBE | 制造商:Maxim Integrated Products 功能描述:LOW-VOLTAGE 8:1 MUX/DUAL 4:1 MUX/TRIPLE SPDT/QUAD SPDT - Rail/Tube |
| MAX4691EBE+ | 制造商:Maxim Integrated Products 功能描述:LOW-VOLTAGE 8:1MUX/DUAL4:1 MUX/TRIPLE SPDT/QUAD SPDT,UCSP PK - Rail/Tube |
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