MAX804 Maxim Integrated Products, MAX804 Datasheet

MAX804

Manufacturer Part Number

MAX804

Description

Manufacturer

Maxim Integrated Products

Datasheets

1.MAX804.pdf (12 pages)

2.MAX804.pdf (12 pages)

Specifications of MAX804

Case

SOP8

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

MAX804RCPA+

Manufacturer:

Maxim Integrated Products

Quantity:

135

Current page: 1 of 12
Download datasheet (288Kb)

These microprocessor (µP) supervisory circuits reduce

the complexity and number of components required for

power-supply monitoring and battery-control functions

in µP systems. They significantly improve system relia-

bility and accuracy compared to separate ICs or

discrete components.

These devices are designed for use in systems powered

by 3.0V or 3.3V supplies. See the selector guide in the

back of this data sheet for similar devices designed for

5V systems. The suffixes denote different reset threshold

voltages: 3.075V (T), 2.925V (S), and 2.625V (R) (see the

Reset Threshold section in the Detailed Description). All

these parts are available in 8-pin DIP and SO packages.

Functions offered in this series are as follows:

________________________Applications

19-0243; Rev 2; 12/05

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

MAX690

MAX704

MAX802

MAX804

MAX805

MAX806

_______________General Description

__________________Pin Configuration

Part

( ) ARE FOR MAX804T/S/R, MAX805T/S/R

< >

3.0V/3.3V Microprocessor Supervisory Circuits

TOP VIEW

ARE FOR MAX704T/S/R, MAX806T/S/R

Battery-Powered Computers and Controllers

Embedded Controllers

Intelligent Instruments

Automotive Systems

Critical µP Power Monitoring

Portable Equipment

✓

GND

OUT

PFI

✓

________________________________________________________________ Maxim Integrated Products

✓

MAX690T/S/R

MAX704T/S/R

MAX802T/S/R

MAX804T/S/R

MAX805T/S/R

MAX806T/S/R

DIP/SO

✓

±4%

±2%

±4%

±2%

VBATT

RESET (RESET)

WDI

PFO

✓

±75mV

±2%

♦

♦ Manual Reset Input

♦ Precision Supply-Voltage Monitor

♦ 200ms Reset Time Delay

♦ Watchdog Timer (1.6s timeout)

♦ Battery-Backup Power Switching—

♦ 40µA V

♦ 1µA Battery Supply Current

♦ Voltage Monitor for Power-Fail or

♦ Guaranteed

♦ 8-Pin DIP and SO Packages

____________________________Features

Ordering Information continued at end of data sheet.

*Contact factory for dice specifications.

**These parts offer a choice of reset threshold voltage. Select

the letter corresponding to the desired nominal reset threshold

voltage (T = 3.075V, S = 2.925V, R = 2.625V) and insert it into

the blank to complete the part number.

Devices in PDIP and SO packages are available in both leaded

and lead-free packaging. Specify lead free by adding the +

symbol at the end of the part number when ordering. Lead free

not available for CERDIP package.

_________Typical Operating Circuits

______________Ordering Information

MAX690_CPA

MAX690_CSA

MAX690_C/D

MAX690_EPA

MAX690_ESA

MAX690_MJA

–

Battery Can Exceed V

Low-Battery Warning

PART**

—

UNREGULATED

( ) ARE FOR MAX804T/S/R, MAX805T/S/R

See last page for MAX704T/S/R, MAX806T/S/R.

—

–

BATTERY

LITHIUM

and RESET Outputs

0.1μF

3.6V

Supply Current

–

—

REGULATED +3.3V OR +3.0V

—

0.1μF

-40°C to +85°C

-55°C to +125°C

—

PFI

VBATT

TEMP RANGE

0°C to +70°C

—

–

MAX690T/S/R

MAX802T/S/R

MAX804T/S/R

MAX805T/S/R

Assertion to V

GND

in Normal Operation

(RESET)

RESET

PFO

WDI

OUT

0.1μF

8 Plastic DIP

8 SO

Dice*

8 Plastic DIP

8 SO

8 CERDIP

PIN-PACKAGE

= 1V

RESET

NMI

I/O LINE

CMOS RAM

BUS

μP

GND

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