MAX367CWN+ by Analog Devices

Signal Line Circuit Protector with Three Independent Protectors


The MAX366 and MAX367 are multiple, two-terminal circuit protectors. Placed in series with signal lines, each two-terminal device guards sensitive circuit components against voltages near and beyond the normal supply voltages. These devices are used at interfaces where sensitive circuits are connected to the external world and could encounter damaging voltages (up to 35V beyond the supply rails) during power-up, power-down, or fault conditions. The MAX366 contains three independent protectors and the MAX367 contains eight. They can protect analog signals using either unipolar (4.5V to 36V) or bipolar (±2.25V to ±18V) power supplies. Each protector is symmetrical. Input and output terminals may be freely interchanged. These devices are voltage-sensitive MOSFET transistor arrays that are normally on when power is applied and normally open circuit when power is off. With ±10V supplies, on-resistance is 100Ω max and leakage is less than 1nA at +25°C. When signal voltages exceed or are within approximately 1.5V of either power-supply voltage (including when power is off), the two-terminal resistance increases dramatically, limiting fault current as well as output voltage to sensitive circuits. The protected side of the switch maintains the correct polarity and clamps approximately 1.5V below the supply rail. There are no "glitches" or polarity reversals going into or coming out of a fault condition.

Where to Buy

Prices starting from US$1.58

Distributor Stock
Logo for Farnell
Farnell
from US$5.01
140
in stock
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Analog Devices
from US$5.13
1,785
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element14
from US$5.11
140
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Newark Electronics
from US$1.58
3
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Features

±40V Overvoltage Protection
Open Signal Paths with Power Off
100Ω Signal Paths with Power On
1nA Max Path Leakage at +25°C
44V Maximum Supply Voltage Rating
Automatic Protection; No Programming or Controls

Specifications

Functions 8-Line
Signal Path Leakage (±nA) (max) 1
ΔRON 7
Analog Signal Range (V) -12.5 to +13.5
VSUPPLY (V) 4.5 to 36.0
VSUPPLY (Dual) (±V) (Dual) 2.25 to 18.0
RON (Ω) (max) 100
Fault Protect. (±V) 40
Package/Pins SOIC (W)/18
BudgetaryPrice (See Notes) 3.42


MAX367CWN+ Power Management ICs - PMIC by Analog Devices

SIGNAL LINE CIRCUIT PROTECTOR WSOIC-18

Status: Unknown
Series: -
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

IC Function Integrated Circuit Protector
Supply Voltage Min 4.5V
Supply Voltage Max 36V
IC Package Type WSOIC
No. of Pins 18Pins
Operating Temperature Min 0°C
Operating Temperature Max 70°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant To Be Advised
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)

Alternative Descriptions

Signal Line Circuit Protector | Analog Devices
SIGNAL LINE CIRCUIT PROTECTOR, WSOIC-18 | element14
Signal Line Circuit Protector, Wsoic-18 | Newark Electronics

Frequently Asked Questions

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Additional datasheets, footprints and schematics for MAX367CWN+ are listed on our Part Details page. You can also find images and similar parts to MAX367CWN+ on this page.

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Is the MAX367CWN+ RoHS compliant?

This part has not been flagged as RoHS Compliant.

Which authorised distributors for MAX367CWN+ have stock available?

Authorised distributors including Analog Devices, element14, Farnell and Newark Electronics have stock available or on a lead time for MAX367CWN+ .

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