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| 型号： | MAX379EWG+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/12页 |
| 文件大小： | 0K |
| 描述： | IC MULTIPLEXER DUAL 4X1 24SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1,000 |
| 功能： | 多路复用器 |
| 电路： | 2 x 4:1 |
| 导通状态电阻： | 3.5 千欧 |
| 电压电源： | 双电源 |
| 电压 - 电源，单路/双路(±)： | ±4.5 V ~ 18 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 24-SOIC W |
| 包装： | 带卷 (TR) |
_______________General Description
The MAX378 8-channel single-ended (1-of-8) multiplexer
and the MAX379 4-channel differential (2-of-8) multiplexer
use a series N-channel/P-channel/N-channel structure to
provide significant fault protection. If the power supplies to
the MAX378/MAX379 are inadvertently turned off while
input voltages are still applied,
all channels in the muxes
are turned off, and only a few nanoamperes of leakage cur-
rent will flow into the inputs. This protects not only the
MAX378/MAX379 and the circuitry they drive, but also the
sensors or signal sources that drive the muxes.
The series N-channel/P-channel/N-channel protection
structure has two significant advantages over the simple
current-limiting protection scheme of the industry’s first-
generation fault-protected muxes. First, the Maxim protec-
tion scheme limits fault currents to nanoamp leakage
values rather than many milliamperes. This prevents dam-
age to sensors or other sensitive signal sources. Second,
the MAX378/MAX379 fault-protected muxes can withstand
a
continuous ±60V input, unlike the first generation, which
had a continuous ±35V input limitation imposed by power
dissipation considerations.
All digital inputs have logic thresholds of 0.8V and 2.4V,
ensuring both TTL and CMOS compatibility without requir-
ing pull-up resistors. Break-before-make operation is
guaranteed. Power dissipation is less than 2mW.
________________________Applications
Data Acquisition Systems
Industrial and Process Control Systems
Avionics Test Equipment
Signal Routing Between Systems
____________________________Features
o Fault Input Voltage ±75V with Power Supplies Off
o Fault Input Voltage ±60V with ±15V Power Supplies
o All Switches Off with Power Supplies Off
o On Channel Turns OFF if Overvoltage Occurs on
Input or Output
o Only Nanoamperes of Input Current Under All
Fault Conditions
o No Increase in Supply Currents Due to Fault
Conditions
o Latchup-Proof Construction
o Operates from ±4.5V to ±18V Supplies
o All Digital Inputs are TTL and CMOS Compatible
o Low-Power Monolithic CMOS Design
______________Ordering Information
Ordering Information continued at end of data sheet.
* Contact factory for availability.
**The substrate may be allowed to float or be tied to V+ (JI CMOS).
MAX378/MAX379
High-Voltage, Fault-Protected
Analog Multiplexers
________________________________________________________________
Maxim Integrated Products
1
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
A1
A2
GND
V+
IN1
V-
EN
A0
TOP VIEW
MAX378
IN5
IN6
IN7
IN8
OUT
IN4
IN3
IN2
DIP
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
A1
GND
V+
IN1B
IN1A
V-
EN
A0
MAX379
IN2B
IN3B
IN4B
OUTB
OUTA
IN4A
IN3A
IN2A
DIP
__________________________________________________________Pin Configurations
Call toll free 1-800-998-8800 for free samples or literature.
19-1902; Rev 1; 8/94
PART
MAX378CPE
MAX378CWG
MAX378CJE
0°C to +70°C
TEMP. RANGE
PIN-PACKAGE
16 Plastic DIP
24 Wide SO
16 CERDIP
MAX378EPE
MAX378EWG
-40°C to +85°C
16 Plastic DIP
24 Wide SO
MAX378EJE
MAX378MJE
-55°C to +125°C
-40°C to +85°C
16 CERDIP
MAX378MLP
-55°C to +125°C
20 LCC*
Pin Configurations continued at end of data sheet.
MAX378C/D
0°C to +70°C
Dice**
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX379MJE | 功能描述:多路器开关 IC RoHS:否 制造商:Texas Instruments 通道数量:1 开关数量:4 开启电阻（最大值）:7 Ohms 开启时间（最大值）: 关闭时间（最大值）: 传播延迟时间:0.25 ns 工作电源电压:2.3 V to 3.6 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UQFN-16 |
| MAX379MJE/883B | 功能描述:多路器开关 IC 4:1 2Ch Fault-Prtct Analog MUX RoHS:否 制造商:Texas Instruments 通道数量:1 开关数量:4 开启电阻（最大值）:7 Ohms 开启时间（最大值）: 关闭时间（最大值）: 传播延迟时间:0.25 ns 工作电源电压:2.3 V to 3.6 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UQFN-16 |
| MAX379MJE/HR | 功能描述:多路器开关 IC RoHS:否 制造商:Texas Instruments 通道数量:1 开关数量:4 开启电阻（最大值）:7 Ohms 开启时间（最大值）: 关闭时间（最大值）: 传播延迟时间:0.25 ns 工作电源电压:2.3 V to 3.6 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UQFN-16 |
| MAX379MLP | 功能描述:多路器开关 IC RoHS:否 制造商:Texas Instruments 通道数量:1 开关数量:4 开启电阻（最大值）:7 Ohms 开启时间（最大值）: 关闭时间（最大值）: 传播延迟时间:0.25 ns 工作电源电压:2.3 V to 3.6 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UQFN-16 |
| MAX379MLP/883B | 功能描述:多路器开关 IC RoHS:否 制造商:Texas Instruments 通道数量:1 开关数量:4 开启电阻（最大值）:7 Ohms 开启时间（最大值）: 关闭时间（最大值）: 传播延迟时间:0.25 ns 工作电源电压:2.3 V to 3.6 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UQFN-16 |
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