MAX367CWN+

更新时间： 2024-01-16 06:38:06

品牌	Logo	应用领域
美信 - MAXIM		电路保护
页数	文件大小	规格书
12页	104K
描述
SPST, 8 Func, 1 Channel, CMOS, PDSO18, 0.300 INCH, SOP-18

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技术参数
数据手册

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MAX367CWN+ 技术参数

是否无铅：	不含铅	是否Rohs认证：	不符合
生命周期：	Active	零件包装代码：	DIP
包装说明：	0.300 INCH, CERDIP-18	针数：	18
Reach Compliance Code：	unknown	风险等级：	5.29
其他特性：	SIGNAL LINE CIRCUIT PROTECTOR	模拟集成电路 - 其他类型：	SPST
JESD-30 代码：	R-GDIP-T18	JESD-609代码：	e0
湿度敏感等级：	1	标称负供电电压 (Vsup)：	-15 V
信道数量：	1	功能数量：	8
端子数量：	18	最大通态电阻 (Ron)：	100 Ω
最高工作温度：	125 °C	最低工作温度：	-55 °C
封装主体材料：	CERAMIC, GLASS-SEALED	封装代码：	DIP
封装形状：	RECTANGULAR	封装形式：	IN-LINE
峰值回流温度（摄氏度）：	245	座面最大高度：	5.08 mm
最大供电电压 (Vsup)：	18 V	最小供电电压 (Vsup)：	2.25 V
标称供电电压 (Vsup)：	15 V	表面贴装：	NO
技术：	CMOS	温度等级：	MILITARY
端子面层：	TIN LEAD	端子形式：	THROUGH-HOLE
端子节距：	2.54 mm	端子位置：	DUAL
处于峰值回流温度下的最长时间：	NOT SPECIFIED	宽度：	7.62 mm
Base Number Matches：	1

MAX367CWN+ 数据手册

S ig n a l-Lin e Circ u it P ro t e c t o rs

Bip o la r Fa u lt s

The MAX366/MAX367 V+ and V- pins are normally con-

nected to a circuit’s most positive and most negative

power supplies. When a circuit has multiple power

supplies (such as ±5V and ±12V) and the MAX366/

MAX367 V+ and V- pins are connected to the lower

supply, it is possible to have fault conditions on both

sides of the signal path at once, if both sides of the

+5V

MAX366

V+

10µF

100k

IN1

OUT1

switch have paths to higher voltages. If the polarity of

these faults is the same, the signal path will be open

and there is no conflict.

IN2

IN3

V-

OUT2

OUT3

If the IN and OUT pins are driven in opposite polarities

from low-imp e d a nc e s ourc e s , the lowe r of the two

impedances will overcome the higher impedance, just

as if the protector were not present. (Make sure the

current does not exceed the 30mA absolute maximum

rating.) As the lower impedance source approaches

and exceeds the fault knee voltage, the protector will

conduct enough current to maintain the other signal pin

near the fault knee voltage. This means when the fault

knee voltage is reached, the current through the pro-

tector shifts from the higher current capability of the

lower impedance source to the lower current capability

of the higher impedance source.

OP AMP

/MAX367

100k

10µF

-5V

Figure 4. Turn-On Delay

This circuit can be tailored to nearly any rate of turn-

on by selecting the RC time constants in the V+ and

V- p ins , without a ffe c ting the time c ons ta nt of the

measuring circuit.

_______________Typ ic a l Ap p lic a t io n s

Drive n S w it c h e s

The MAX366/MAX367 ha ve low s up p ly c urre nts

(<1µA), whic h a llows the s up p ly p ins to b e d rive n

directly by other active circuitry, instead of connected

directly to the power sources. In this configuration,

the p a rts c a n b e us e d a s d rive n fa ult-p rote c te d

switches with V+ or V- pins used as the control pins.

For example, if the V- pin is grounded, you can turn

the V+ pin on and off by driving it with the output of a

CMOS gate. This effectively connects and discon-

nects three or eight separate signal lines at once. (If

bipolar signals or signals that go to ground are being

switched, the V- pin must be driven simultaneously to

a negative potential.) Always ensure that the driving

source(s) does not drive the V+ pin more negative

than the V- pin.

P ro t e c t o rs a s Circ u it Ele m e n t s

Any of the individual protectors in a MAX366 or MAX367

may be used as a switched resistor, independent of the

functions of other elements in the same package. For

example, Figure 5 shows a MAX366 with two of the pro-

tectors used to protect the input of an op amp, and the

third e le me nt us e d to s e q ue nc e a p owe r s up p ly.

Combining the circuits of Figures 4 and 5 produces a

delayed action on the switched +5V, as well as smooth

application of signals to the amplifier input.

_________Te s t in g Circ u it P ro t e c t o rs

Me a s u rin g P a t h Re s is t a n c e

Measuring path resistance requires special techniques,

since path resistance varies dramatically with the IN

a nd OUT volta g e s re la tive to the s up p ly volta g e s .

Conventional ohmmeters should not be used, for two

reasons: 1) the applied voltage and currents are usual-

ly not predictable, and 2) the true resistance is a func-

tion of the applied voltage, which is dramatically altered

by the ohmmeter itself. Autoranging ohmmeters are

particularly unreliable.

Fig ure 4 s hows a s imp le turn-on d e la y tha t ta ke s

advantage of the MAX366’s low power consumption.

The two RC networks cause gradual application of

power to the MAX366, which in turn applies the input

s ig na ls s moothly a fte r the a mp lifie r ha s s ta b ilize d .

The two diodes discharge the two capacitors rapidly

when power is turned off.

_______________________________________________________________________________________

1...5 6 789 10 11 12

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与MAX367CWN+相关器件

型号	品牌	描述	获取价格	数据表
MAX367CWN+T	MAXIM	SPST, 8 Func, 1 Channel, CMOS, PDSO18, 0.300 INCH, SOP-18	获取价格
MAX367CWN-T	MAXIM	SPST, 8 Func, 1 Channel, CMOS, PDSO18, 0.300 INCH, SO-18	获取价格
MAX367EPN	MAXIM	Signal-Line Circuit Protectors	获取价格
MAX367EPN+	MAXIM	SPST, 8 Func, 1 Channel, CMOS, PDIP18, 0.300 INCH, PLASTIC, DIP-18	获取价格
MAX367EWN	MAXIM	Signal-Line Circuit Protectors	获取价格
MAX367EWN+	MAXIM	SPST, 8 Func, 1 Channel, CMOS, PDSO18, 0.300 INCH, SOP-18	获取价格
MAX367EWN+T	MAXIM	SPST, 8 Func, 1 Channel, CMOS, PDSO18, 0.300 INCH, SOP-18	获取价格
MAX367MJN	MAXIM	Signal-Line Circuit Protectors	获取价格
MAX368	MAXIM	Fault-Protected Analog Multiplexer with Latch	获取价格
MAX3680	MAXIM	+3.3V, 622Mbps, SDH/SONET 1:8 Deserializer with TTL Outputs	获取价格
MAX3680AEAI	MAXIM	Serial to Parallel/Parallel to Serial Converter, 1-Func, Bipolar, PDSO28, 5.30 MM, MO-150,	获取价格
MAX3680AEAIT	MAXIM	Serial to Parallel/Parallel to Serial Converter, 1-Func, PDSO28, 5.30 MM, MO-150, SSOP-28	获取价格
MAX3680EAI	MAXIM	+3.3V, 622Mbps, SDH/SONET 1:8 Deserializer with TTL Outputs	获取价格
MAX3680EAI+	MAXIM	暂无描述	获取价格
MAX3680EAI-T	MAXIM	Serial to Parallel/Parallel to Serial Converter, 1-Func, Bipolar, PDSO28, 5.30 MM, MO-150,	获取价格
MAX3680EVKIT	MAXIM	Evaluation Kit for the MAX3680	获取价格
MAX3681	MAXIM	+3.3V, 622Mbps, SDH/SONET 1:4 Deserializer with LVDS Outputs	获取价格
MAX3681EAG	MAXIM	+3.3V, 622Mbps, SDH/SONET 1:4 Deserializer with LVDS Outputs	获取价格
MAX3681EAG+	MAXIM	ATM/SONET/SDH Serial to Parallel/Parallel to Serial Converter, 1-Func, PDSO24, 5.30 MM PIT	获取价格
MAX3681EAG+T	MAXIM	ATM/SONET/SDH Serial to Parallel/Parallel to Serial Converter, 1-Func, PDSO24, 5.30 MM PIT	获取价格

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