ADM709TAR Analog Devices Inc, ADM709TAR Datasheet

ADM709TAR

Manufacturer Part Number

ADM709TAR

Description

IC SUPERVISOR MPU 3.08V RS 8SOIC

Manufacturer

Analog Devices Inc

Type

Simple Reset/Power-On Resetr

Datasheet

1.ADM709LANZ.pdf (4 pages)

Specifications of ADM709TAR

Rohs Status

RoHS non-compliant

Number Of Voltages Monitored

Output

Push-Pull, Totem Pole

Reset

Active Low

Reset Timeout

140 ms Minimum

Voltage - Threshold

3.08V

Operating Temperature

-40°C ~ 85°C

Mounting Type

Surface Mount

Package / Case

8-SOIC (3.9mm Width)

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Meier Automation Equipment Co., Limited

Part Number:

ADM709TAR

Manufacturer:

ADI/亚德诺

Quantity:

20 000

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GENERAL DESCRIPTION

The ADM709 contains a power supply monitor which generates

a system reset during power-up, power-down and brownout

conditions. When V

goes low and holds the P in reset. On power-up the RESET

output is held low for 140 ms after V

old. The RESET output remains operational with V

as 1 V.

Three supply-voltage threshold levels are available suitable for

+5 V, +3.3 V and for +3 V supply monitoring. The actual reset

voltage threshold is given below.

The ADM709 is available in 8-pin DIP and SOIC packages.

REV. 0

Information furnished by Analog Devices is believed to be accurate and

reliable. However, no responsibility is assumed by Analog Devices for its

use, nor for any infringements of patents or other rights of third parties

which may result from its use. No license is granted by implication or

otherwise under any patent or patent rights of Analog Devices.

FEATURES

Precision Supply Voltage Monitor

+5 V, +3.3 V, +3 V Power Supply Monitor

35 A Quiescent Current

140 ms (min) Power-On Reset Pulse

Low Cost

8-Pin DIP/SO Packages

Upgrade for MAX709

APPLICATIONS

Microprocessor Systems

Computers

Controllers

Intelligent Instruments

Critical P Monitoring

Automotive Systems

Critical P Power Monitoring

Suffix

Table I. Reset Threshold

falls below the reset threshold, RESET

Voltage (V)

4.65

4.40

3.08

2.93

2.63

rises above the thresh-

as low

Model

ADM709LAN

ADM709RAR

*N = Plastic DIP; SO = SOIC.

One Technology Way, P.O. Box 9106, Norwood. MA 02062-9106, U.S.A.

Tel: 617/329-4700

ADM709LAR

ADM709MAN

ADM709MAR

ADM709TAN

ADM709TAR

ADM709SAN

ADM709SAR

ADM709RAN

FUNCTIONAL BLOCK DIAGRAM

Typical Operating Circuit

Reset

Threshold

4.65 V

4.40 V

3.08 V

2.93 V

2.63 V

Power Supply Monitor

ADM709

ORDERING GUIDE

GND

RESET

ADM709

GND

GENERATOR

Temperature

–40 C to +85 C

Range

–40 C to +85 C

RESET

with Reset

ADM709

GND

µP

Fax: 617/326-8703

RESET

Package

Option*

N-8

SO-8

N-8

SO-8

N-8

SO-8

N-8

SO-8

N-8

SO-8

Related parts for ADM709TAR

ADM709TAR Summary of contents

Page 1

... No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. rises above the thresh- CC Model as low CC ADM709LAN ADM709LAR ADM709MAN ADM709MAR ADM709TAN ADM709TAR ADM709SAN ADM709SAR ADM709RAN Voltage (V) ADM709RAR 4. Plastic DIP SOIC. 4.40 3.08 2.93 2.63 One Technology Way, P ...

Page 2

ADM709–SPECIFICATIONS Parameter Min V Operating Voltage Range 1.0 CC 1.2 Supply Current Reset Threshold 4.5 4.25 3.00 2.85 2. RESET Delay CC RESET Active Time-Out Period 140 RESET Output Voltage V CC Specifications subject to change without notice. ...

Page 3

ADM709 V CC RESET GENERATOR V TH GND Figure 1. Functional Block Diagram V CC ADM709 RESET GND Figure 2. Typical Operating Circuit CIRCUIT INFORMATION RESET Output RESET is an active low output which provides a reset signal to the ...

Page 4

ADM709 OUTLINE DIMENSIONS Dimensions shown in inches and (mm). 8-Lead Plastic DIP (N- 0.280 (7.11) PIN 1 0.240 (6.10 0.325 (8.25) 0.430 (10.92) 0.300 (7.62) 0.348 (8.84) 0.060 (1.52) 0.210 0.015 (0.38) (5.33) MAX 0.130 0.160 ...

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