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參數(shù)資料
| 型號(hào)： | MAX378EWG+ |
| 廠商： | Maxim Integrated Products |
| 文件頁(yè)數(shù)： | 1/12頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC MULTIPLEXER 8X1 24SOIC |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 30 |
| 功能： | 多路復(fù)用器 |
| 電路： | 1 x 8:1 |
| 導(dǎo)通狀態(tài)電阻： | 3.5 千歐 |
| 電壓電源： | 雙電源 |
| 電壓 - 電源，單路/雙路(±)： | ±4.5 V ~ 18 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 24-SOIC（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 24-SOIC W |
| 包裝： | 管件 |
_______________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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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX378EWG+ | 功能描述:多路器開關(guān) IC 8:1 Fault-Protected Analog MUX RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開關(guān)數(shù)量:4 開啟電阻（最大值）:7 Ohms 開啟時(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 |
| MAX378EWG+T | 功能描述:多路器開關(guān) IC 8:1 Fault-Protected Analog MUX RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開關(guān)數(shù)量:4 開啟電阻（最大值）:7 Ohms 開啟時(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 |
| MAX378EWG-T | 功能描述:多路器開關(guān) IC RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開關(guān)數(shù)量:4 開啟電阻（最大值）:7 Ohms 開啟時(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 |
| MAX378MJE | 功能描述:多路器開關(guān) IC RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開關(guān)數(shù)量:4 開啟電阻（最大值）:7 Ohms 開啟時(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 |
| MAX378MJE/883B | 功能描述:多路器開關(guān) IC 8:1 Fault-Protected Analog MUX RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開關(guān)數(shù)量:4 開啟電阻（最大值）:7 Ohms 開啟時(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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