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參數(shù)資料
| 型號： | MAX4507EAP |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 運動控制電子 |
| 英文描述： | Fault-Protected, High-Voltage Signal-Line Protectors |
| 中文描述： | OCTAL 1-CHANNEL, SGL POLE SGL THROW SWITCH, PDSO20 |
| 封裝： | 5.30 MM, SSOP-20 |
| 文件頁數(shù)： | 9/12頁 |
| 文件大?。?/td> | 393K |
| 代理商： | MAX4507EAP |
M
Fault-Protected, High-Voltage
Signal-Line Protectors
_______________________________________________________________________________________
9
Protectors as Circuit Elements
Each of the protectors in a MAX4506/MAX4507 may be
used as a switched resistor, independent of the func-
tions of other elements in the same package. For exam-
ple, Figure 4 shows a MAX4506 with two of the
protectors used to protect the input of an op amp, and
the third element used to sequence a power supply.
Combining the circuits of Figures 3 and 4 produces a
delayed action on the switched +15V, as well as
smooth application of signals to the amplifier input.
Figure 5 shows MAX4506 used in front of a MAX338
unprotected 1-to-8 multiplexer. With supplies at ±15V,
V
OUT
of the MAX4506 clamps to ±15V; V
OUT
of the
MAX338 goes to ±14V. With supplies off, V
OUT
goes to
0V while the inputs remain at ±25V.
Use the MAX4506 with a MAX338 to enhance voltage
handling capability (Figure 6). The MAX4506 and
MAX338 share almost equal voltage drops in this con-
figuration. For example, applying ±40V on pins 1 and 2
of the MAX4506 causes a voltage drop of about 26V
across pin 1 of the MAX4506 to pin 4 of the MAX338,
and a voltage drop of about 28V across pin 4 of the
MAX4506 to pin 8 of the MAX338. Similarly, there is a
26V drop from pin 2 of the MAX4506 to pin 5 of the
MAX338. The system’s performance exceeds each
individual part’s specification because of shared volt-
age drops.
Multiplexer and Demultiplexer
As shown in Figure 7, the MAX4506 can be used in
series with the output of a MAX4508 (1-to-8 multiplexer)
to act as multiplexer or demultiplexer. The MAX4508 is a
fault-protected multiplexer whose inputs are designed to
interface with harsh environments; however, its common
output is not fault protected if connected to outside sig-
nals (i.e., demultiplexer use). If the common output can
see fault signals, then it needs to be protected, and the
MAX4506 can be added to provide complete protection.
SWITCHED +15V
MAX4506
IN3
V-
-15V
V+
+15V
3
4
5
OUT3
IN2
2
6
OUT2
IN1
1
7
OUT1
8
P
100k
OP AMP
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
MAX338
-15V
1
2
8
7
+15V
R
L
-25V
+25V
3
4
6
5
MAX4506
A1
A2
GND
V+
NO5
NO6
NO7
NO9
A
O
EN
V-
OV
+5V
-5V
+3V
+15V
NO3
NO1
NO2
NO4
V
OUT
Figure 4. Power-Supply Sequencing
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
MAX4508
-15V
1
2
8
7
+15V
NEW COM
3
4
6
5
MAX4506
A1
A2
GND
V+
NO5
NO6
NO7
NO9
A
O
EN
V-
O
+5V
-15V
+3V
+15V
NO3
NO1
NO2
NO4
COM
Figure 7. Multiplexer and Demultiplexer Application Using
MAX4506 (or MAX4507) with MAX4508
V
OUT
= -14V
+40V
-40V
10k
6
4
7
1
5
2
8
MAX338
MAX4506
Figure 6. SPDT Switch Application
Figure 5. Protecting a MAX338 with a MAX4506
相關(guān)PDF資料 |
PDF描述 |
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| MAX4507EPN | Fault-Protected, High-Voltage Signal-Line Protectors |
| MAX4509CPE | Fault-Protected, High-Voltage Single 8-to-1/Dual 4-to-1 Multiplexers |
| MAX4509 | Fault-Protected, High-Voltage Single 8-to-1/Dual 4-to-1 Multiplexers |
| MAX4509EAE | Sealed Modular Connector; Body Material:Metal; Connector Shell Back Termination:IEEE1394 Receptacle; Connector Shell Finish:Olive Drab Cadmium; Leaded Process Compatible:No; Modular Connector Shell Style:Square Flange Receptacle RoHS Compliant: No |
| MAX4508 | Fault-Protected, High-Voltage Single 8-to-1/Dual 4-to-1 Multiplexers |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX4507EAP+ | 功能描述:模擬開關(guān) IC Fault-Protected Signal-Line Protectr 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 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
| MAX4507EAP+T | 功能描述:模擬開關(guān) IC Fault-Protected Signal-Line Protectr 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 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
| MAX4507EAP-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 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
| MAX4507EPN | 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 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
| MAX4507EWN | 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 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
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