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參數資料
| 型號： | MAX4541CUA |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 運動控制電子 |
| 英文描述： | Low-Voltage, Single-Supply Dual SPST/SPDT Analog Switches |
| 中文描述： | DUAL 1-CHANNEL, SGL POLE SGL THROW SWITCH, PDSO8 |
| 封裝： | MSOP-8 |
| 文件頁數： | 7/13頁 |
| 文件大?。?/td> | 282K |
| 代理商： | MAX4541CUA |
Power-Supply Sequencing
and Overvoltage Protection
Do not exceed the absolute maximum ratings because
stresses beyond the listed ratings may cause perma-
nent damage to the devices.
Proper power-supply sequencing is recommended for
all CMOS devices. Always apply V+ before applying
analog signals or logic inputs, especially if the analog
or logic signals are not current limited. If this sequenc-
ing is not possible, and if the analog or logic inputs are
not current limited to <10mA, add a small-signal diode
(D1) as shown in Figure 1. If the analog signal can dip
below GND, add D2. Adding protection diodes
reduces the analog signal range to a diode drop (about
0.7V) below V+ (for D1), and to a diode drop above
ground (for D2). Leakage is unaffected by adding the
diodes. On-resistance increases by a small amount at
low supply voltages. Maximum supply voltage (V+)
must not exceed 13V.
Adding protection diodes causes the logic thresholds
to be shifted relative to the power-supply rails. This can
be significant when low supply voltages (+5V or less)
are used. With a +5V supply, TTL compatibility is not
guaranteed when protection diodes are added. Driving
IN1 and IN2 all the way to the supply rails (i.e., to a
diode drop higher than the V+ pin, or to a diode drop
lower than the GND pin) is always acceptable.
Protection diodes D1 and D2 also protect against
some overvoltage situations. With Figure 1
’
s circuit, if
the supply voltage is below the absolute maximum rat-
ing, and if a fault voltage up to the absolute maximum
rating is applied to an analog signal pin, no damage
will result.
M
Low-Voltage, Single-Supply
Dual SPST/SPDT Analog Switches
_______________________________________________________________________________________
7
tr < 20ns
tf < 20ns
50%
0
LOGIC
INPUT
R
L
1k
COM
GND
C
L
INCLUDES FIXTURE AND STRAY CAPACITANCE.
OUT
= V
COM
(
R
L
)
V
L
+ R
ON
SWITCH
INPUT
IN
+3V
t
OFF
0
NO
or NC
SWITCH
OUTPUT
0.9
·
V
0UT
0.9
·
V
OUT
t
ON
V
OUT
SWITCH
OUTPUT
LOGIC
INPUT
LOGIC INPUT WAVEFORMS INVERTED FOR SWITCHES
THAT HAVE THE OPPOSITE LOGIC SENSE.
V+
C
L
35pF
V+
V
OUT
0V
MAX4541
MAX4542
MAX4543
MAX4544
Figure 2. Switching Time
Test Circuits/Timing Diagrams
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX4541CUA+ | 功能描述:模擬開關 IC Dual SPST/SPDT Analog Switch RoHS:否 制造商:Texas Instruments 開關數量:2 開關配置: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 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
| MAX4541CUA+T | 功能描述:模擬開關 IC Dual SPST/SPDT Analog Switch RoHS:否 制造商:Texas Instruments 開關數量:2 開關配置: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 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
| MAX4541CUA-T | 功能描述:模擬開關 IC RoHS:否 制造商:Texas Instruments 開關數量:2 開關配置: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 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
| MAX4541EKA | 制造商:Maxim Integrated Products 功能描述:LOW-VOLTAGE, SINGLE-SUPPLY, DUAL SPST/SPDT AN - Rail/Tube 制造商:Rochester Electronics LLC 功能描述: |
| MAX4541EKA+ | 制造商:Maxim Integrated Products 功能描述:ANLG SW DUAL SPST 12V 8PIN SOT-23 - Rail/Tube |
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