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| 型號(hào)： | MAX4534ESD |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類(lèi)： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | Fault-Protected, High-Voltage, Single 4-to-1/Dual 2-to-1 Multiplexers |
| 中文描述： | 4-CHANNEL, SGL ENDED MULTIPLEXER, PDSO14 |
| 封裝： | SO-14 |
| 文件頁(yè)數(shù)： | 9/16頁(yè) |
| 文件大?。?/td> | 193K |
| 代理商： | MAX4534ESD |
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M
Fault-Protected, High-Voltage,
Single 4-to-1/Dual 2-to-1 Multiplexers
Detailed Description
The MAX4534/MAX4535 differ considerably from tradi-
tional fault-protected multiplexers, offering several
advantages. First, they are constructed with two paral-
lel FETs, allowing very low resistance when the switch
is on. Second, they allow signals on the NO_ pins that
are within or beyond the supply rails to be passed
through the switch to the COM terminal. This allows rail-
to-rail signal operation. Third, when a signal on VNO_
exceeds the supply rails (i.e., a fault condition), the
voltage on COM_ is limited to the supply rails.
Operation is identical for both fault polarities.
When the NO_ voltage goes beyond supply rails (fault
condition), the NO_ input becomes high impedance
regardless of the switch state or load resistance. When
power is removed, and the fault protection is still in
effect, the NO_ terminals are a virtual open circuit. The
fault can be up to ±40V, with V+ = V- = 0. If the switch
is on, the COM_ output current is furnished from the V+
or V- pin by “booster” FETs connected to each supply
pin. These FETs can source or sink up to 10mA.
The COM_ pins are not fault-protected. If a voltage
source is connected to any COM_ pin, it should be lim-
ited to the supply voltages. Exceeding the supply volt-
age will cause high currents to flow through the ESD
protection diodes, damaging the device (see
Absolute
Maximum Ratings
).
Figure 1 shows the internal construction, with the ana-
log signal paths shown in bold. A single, normally open
(NO) switch is shown. The analog switch is formed by
the parallel combination of N-channel FET N1 and P-
channel FET P1, which are driven on and off simultane-
ously, according to the input fault condition and the
logic level state.
.
Pin Descriptions
Truth Tables
NAME
FUNCTION
1
2
3
4
5
A0
EN
V-
NO1
NO2
Address Bit 0
Enable Input
Negative Supply Voltage
Channel Input 1 (fault protected)
Channel Input 2 (fault protected)
PIN
10
11
NO4
NO3
Channel Input 4 (fault protected)
Channel Input 3 (fault protected)
7
COM
Analog Output
6, 8, 9
N.C.
No connection
14
A1
Address Bit 1
13
GND
Ground
12
V+
Positive Supply Voltage
MAX4534 (Single 4-to-1 Mux)
MAX4535 (Dual 2-to-1 Mux)
NAME
FUNCTION
1
2
3
4
5
A0
EN
V-
Address Bit 0
Enable Input
Negative Supply Voltage
Channel Input 1A (fault protected)
Channel Input 2A (fault protected)
PIN
NO1A
NO2A
8
10
COMB
NO2B
Mux Output B
Channel Input 2B (fault protected)
7
COMA
Mux Output A
6, 9, 14
N.C.
No connection
13
GND
Ground
12
V+
Positive Supply Voltage
11
NO1B
Channel Input 1B (fault protected)
X
0
0
1
1
X
0
1
0
1
0
1
1
1
1
None
NO1
NO2
NO3
NO4
A0
A1
EN
ON SWITCH
MAX4534 (Single 4-to-1 Mux)
MAX4535 (Dual 2-to-1 Mux)
_______________________________________________________________________________________
9
X = Don’t care; logic 0: V
AL
≤
+0.8; logic 1: V
AH
≥
+2.4V
X = Don’t care; logic 0: V
AL
≤
+0.8; logic 1: V
AH
≥
+2.4V
COMA
EN
COMB
A0
NO2A
NO1A
None
1
1
0
NO2B
1
NO1B
0
None
X
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX4534ESD+ | 功能描述:多路器開(kāi)關(guān) IC 2:1 1Ch/4:1 2Ch MUX RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開(kāi)關(guān)數(shù)量:4 開(kāi)啟電阻（最大值）:7 Ohms 開(kāi)啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 傳播延遲時(shí)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(fēng)格:SMD/SMT 封裝 / 箱體:UQFN-16 |
| MAX4534ESD+T | 功能描述:多路器開(kāi)關(guān) IC 2:1 1Ch/4:1 2Ch MUX RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開(kāi)關(guān)數(shù)量:4 開(kāi)啟電阻（最大值）:7 Ohms 開(kāi)啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 傳播延遲時(shí)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(fēng)格:SMD/SMT 封裝 / 箱體:UQFN-16 |
| MAX4534ESD-T | 功能描述:多路器開(kāi)關(guān) IC RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開(kāi)關(guān)數(shù)量:4 開(kāi)啟電阻（最大值）:7 Ohms 開(kāi)啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 傳播延遲時(shí)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(fēng)格:SMD/SMT 封裝 / 箱體:UQFN-16 |
| MAX4534EUD | 功能描述:多路器開(kāi)關(guān) IC RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開(kāi)關(guān)數(shù)量:4 開(kāi)啟電阻（最大值）:7 Ohms 開(kāi)啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 傳播延遲時(shí)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(fēng)格:SMD/SMT 封裝 / 箱體:UQFN-16 |
| MAX4534EUD+ | 功能描述:多路器開(kāi)關(guān) IC 2:1 1Ch/4:1 2Ch MUX RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開(kāi)關(guān)數(shù)量:4 開(kāi)啟電阻（最大值）:7 Ohms 開(kāi)啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 傳播延遲時(shí)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(fēng)格:SMD/SMT 封裝 / 箱體:UQFN-16 |
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