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MAX8213A, MAX8213B

Five Universal Voltage Monitors, Complete µP Voltage Monitoring

Five Universal Voltage Monitors

Data Sheet

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Overview

Description

The MAX8213 and MAX8214 contain four precision voltage comparators capable of monitoring undervoltage and overvoltage conditions for both positive and negative supplies. Accurate trip-point setting is facilitated by the internal 1.25V reference. Not only is trip-level accuracy guaranteed to ±1% over the commercial temperature range, but the trip levels of all channels are guaranteed to match each other within ±1%. A fifth comparator channel monitors microprocessor voltages and generates delayed reset signals. The MAX8213 has open-drain outputs, while active pull-up outputs are incorporated in the MAX8214.

MAX8213, MAX8214: Typical Operating Circuit

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Key Features

±1% Guaranteed Trip-Level Accuracy over Commercial Temp. Range
4 Precision Comparators Plus Auxiliary Comparator
Built-in Hysteresis
Internal 1.25V Reference with 0.75% Initial Accuracy
±1% Guaranteed Trip-Level Matching Between Channels over Commercial Temp. Range
Wide Supply Range: 2.75V to 11V
Controlled Comparator Response for Glitch Immunity
33µA Max Supply Current Over Temp.

Applications/Uses

Appliances
Automotive and Industrial Equipment
Industrial Controllers
Microprocessor Voltage Monitoring
Mobile Radios
Over/Under/Window Voltage Detection
Portable Computers
Portable Instruments
Precision Battery Monitoring
Telephones

Parametric Specs

Part Number

Monitored Voltages

Interface

Reset Thresh.
(V)

Reset Out

t_RESET

Watchdog Feature

Supervisor Features

I_CC
(µA)

Package/Pins

Budgetary
Price

min

max

See Notes

MAX8213

Pin-Selectable

R/C Adjustable

1.2 to 1.8

1.8 to 2.5

2.5 to 3.3

3.3 to 5.5

Active Low

Open Drain

<1ms

No Watchdog

Adjustable Reset Input

High Voltage (>6V)

Overvoltage/Window Monitor

CDIP/16

PDIP/16

SOIC (N)/16

$3.10 @1k

MAX8214

Active Low

Push-Pull

PDIP/16

SOIC (N)/16

$2.55 @1k

See All Supervisors (> 5 Monitored Voltages) (13)

Pricing Notes:

This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

Design Resources

Quality and Environmental Data

Request Reliability Report for: MAX8213A MAX8213B
Lead-Free Package Tin (Sn) Whisker Reports

Quality And Environmental

Device	Fab Process	Technology	Sample size	Rejects	FIT at 25°C	FIT at 55°C

Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

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