參數資料
型號： MAX4518CPD
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 運動控制電子
英文描述： 32-Bit Digital Signal Controller with RAM 179-BGA MICROSTAR -40 to 125
中文描述： 4-CHANNEL, SGL ENDED MULTIPLEXER, PDIP14
封裝： PLASTIC, DIP-14
文件頁數： 8/12頁
文件大?。?/td> 170K
代理商： MAX4518CPD
M
__________Applic ations Information
Operation with S upply V oltages
Other than ±5V
Using supply voltages less than ±5V reduces the analog
signal range. The MAX4518/MAX4519 muxes operate
with ±2.7V to ±8V bipolar supplies or with a +2.7V to
+15V single supply. Connect V- to GND when operating
with a single supply. Both device types can also operate
with unbalanced supplies, such as +10V and -5V. The
Typical Operating Characteristics graphs show typical
on-resistance with ±3V, ±5V, +3V and +5V supplies.
(Switching times increase by a factor of two or more for
operation at 5V.)
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 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 17V. These protection
diodes are not recommended when using a single supply.
Prec ision, 4-Channel/Dual 2-Channel,
Low-Voltage, CMOS Analog Multiplexers
8
_______________________________________________________________________________________
______________________________________________Test Circ uits/T iming Diagrams
COM
V-
V+
NO
* INTERNAL PROTECTION DIODES
D2
D1
-5V
+5V
MAX4518
MAX4519
*
*
*
*
Figure 1. Overvoltage Protection Using External Blocking Diodes
50%
t
R
< 20ns
t
F
< 20ns
V
OUT
+3V
0V
V
NO1A
, V
NO1B
0V
V
NO4
, V
NO2B
LOGIC
INPUT
V
EN
SWITCH
OUTPUT
+5V
V
OUT
-5V
GND
V+
V+
V+
A1
V-
EN
A0
NO1
NO2–NO3
NO4
COM
+5V
-5V
50
MAX4518
300
35pF
A1
A0
+5V
V
OUT
-5V
GND
V+
V-
EN
NO1B
COMA, NO1A–NO2A
NO2B
COMB
+5V
50
MAX4519
300
35pF
90%
90%
t
TRANS
t
TRANS
-5V
Figure 2. Transition Time
相關PDF資料
PDF描述
MAX4518CSD Precision, 4-Channel/Dual 2-Channel, Low-Voltage, CMOS Analog Multiplexers
MAX4518EEE
MAX4518EPD Precision, 4-Channel/Dual 2-Channel, Low-Voltage, CMOS Analog Multiplexers
MAX4518ESD Precision, 4-Channel/Dual 2-Channel, Low-Voltage, CMOS Analog Multiplexers
MAX4519 Precision, 4-Channel/Dual 2-Channel, Low-Voltage, CMOS Analog Multiplexers
相關代理商/技術參數
參數描述
MAX4518CPD+ 功能描述:多路器開關 IC 4:1 Low Voltage Analog MUX RoHS:否 制造商:Texas Instruments 通道數量:1 開關數量:4 開啟電阻（最大值）:7 Ohms 開啟時間（最大值）: 關閉時間（最大值）: 傳播延遲時間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UQFN-16
MAX4518CSD 功能描述:多路器開關 IC RoHS:否 制造商:Texas Instruments 通道數量:1 開關數量:4 開啟電阻（最大值）:7 Ohms 開啟時間（最大值）: 關閉時間（最大值）: 傳播延遲時間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UQFN-16
MAX4518CSD+ 功能描述:多路器開關 IC 4:1 Low Voltage Analog MUX RoHS:否 制造商:Texas Instruments 通道數量:1 開關數量:4 開啟電阻（最大值）:7 Ohms 開啟時間（最大值）: 關閉時間（最大值）: 傳播延遲時間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UQFN-16
MAX4518CSD+T 功能描述:多路器開關 IC 4:1 Low Voltage Analog MUX RoHS:否 制造商:Texas Instruments 通道數量:1 開關數量:4 開啟電阻（最大值）:7 Ohms 開啟時間（最大值）: 關閉時間（最大值）: 傳播延遲時間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UQFN-16
MAX4518CSD-T 功能描述:多路器開關 IC RoHS:否 制造商:Texas Instruments 通道數量:1 開關數量:4 開啟電阻（最大值）:7 Ohms 開啟時間（最大值）: 關閉時間（最大值）: 傳播延遲時間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UQFN-16
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