ADM809SARTZ-REEL7 Analog Devices Inc, ADM809SARTZ-REEL7 Datasheet

ADM809SARTZ-REEL7

Manufacturer Part Number

ADM809SARTZ-REEL7

Description

IC SUPERVSR PUSHPULL 2.93V SOT23

Manufacturer

Analog Devices Inc

Type

Simple Reset/Power-On Resetr

Datasheets

1.ADM803TAKSZ-REEL7.pdf (12 pages)

2.ADM809SARTZ-REEL7.pdf (12 pages)

Specifications of ADM809SARTZ-REEL7

Number Of Voltages Monitored

Output

Push-Pull, Totem Pole

Reset

Active Low

Reset Timeout

140 ms Minimum

Voltage - Threshold

2.93V

Operating Temperature

-40°C ~ 125°C

Mounting Type

Surface Mount

Package / Case

SOT-23-3, TO-236-3, Micro3™, SSD3, SST3

Threshold Voltage

2.93V

No. Of Supervisors / Monitors

Supply Voltage Range

1.2V To 5.5V

Reset Type

Active-Low

Supply Current

60ÂµA

Delay Time

240ms

Digital Ic Case Style

SOT-23

Number Of Elements

Monitored Voltage 1 (typ)

2.5/3/3.3/5V

Threshold Voltage 1 (max)

2.96V

Battery Backup Switching

Watchdog Timer

Chip Enable Signals

Reset Active Time

840ms

Manual Reset

Package Type

SOT-23

Operating Supply Voltage (min)

Operating Supply Voltage (max)

5.5V

Reset Threshold Voltage (max)

2.96V

Reset Threshold Voltage (min)

2.89V

Family Name

ADM809

Operating Temp Range

-40C to 125C

Operating Temperature Classification

Automotive

Power Fail Detection

Mounting

Surface Mount

Pin Count

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Lead Free Status / RoHS Status

Lead free / RoHS Compliant, Lead free / RoHS Compliant

Other names

ADM809SARTZ-REEL7TR

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FEATURES

Specified over temperature

Low power consumption (17 μA)

Precision voltage monitor: 2.5 V, 3 V, 3.3 V, 5 V options

Reset assertion down to 1 V V

140 ms minimum power-on reset

SC70 and SOT-23 packages

APPLICATIONS

Microprocessor systems

Computers

Controllers

Intelligent instruments

Automotive systems

GENERAL DESCRIPTION

The ADM803/ADM809/ADM810 supervisory circuits monitor

the power supply voltage in microprocessor systems. They

provide a reset output during power-up, power-down, and

brownout conditions. On power-up, an internal timer holds

reset asserted for 240 ms. This holds the microprocessor in a

reset state until conditions have stabilized. The RESET output

remains operational with V

ADM809 provide an active low reset signal ( RESET ), while the

ADM810 provides an active high signal (RESET) output. The

ADM809 and ADM810 have push-pull outputs, whereas the

ADM803 has an open-drain output, which requires an external

pull-up resistor.

Rev. G

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 that may result from its use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks and registered trademarks are the property of their respective owners.

Open-drain RESET output (ADM803)

Push-pull RESET output (ADM809)

Push-pull RESET output (ADM810)

as low as 1 V. The ADM803 and

Microprocessor Supervisory Circuits

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

Tel: 781.329.4700

Fax: 781.461.3113

Seven reset threshold voltage options are available, suitable for

monitoring a variety of supply voltages (see Table 2).

The reset comparator features built-in glitch immunity, making

it immune to fast transients on V

The ADM803/ADM809/ADM810 consume only 17 μA,

making them suitable for low power, portable equipment. The

ADM803 is available in a 3-lead SC70; the ADM809/ADM810

are available in 3-lead SOT-23 and SC70 packages.

in 3-Lead SC70 and SOT-23

ADM803/ADM809

ADM803/ADM809/ADM810

ADM809/ADM810

FUNCTIONAL BLOCK DIAGRAM

REF

ADM803

GND

RESET

*ADM803 ONLY

GND

Figure 1.

GENERATOR

RESET

240ms

PULL-UP

RESET

INPUT

MICROPROCESSOR

www.analog.com

SYSTEM

GND

RESET

(RESET)

RESET

Related parts for ADM809SARTZ-REEL7

ADM809SARTZ-REEL7 Summary of contents

Page 1

FEATURES Specified over temperature Low power consumption (17 μA) Precision voltage monitor options Reset assertion down 140 ms minimum power-on reset Open-drain RESET output (ADM803) Push-pull RESET ...

Page 2

ADM803/ADM809/ADM810 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 Functional Block Diagram .............................................................. 1 General Description ......................................................................... 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 Absolute Maximum Ratings............................................................ 4 ESD Caution.................................................................................. 4 REVISION HISTORY 9/06—Rev Rev. G Updated Outline ...

Page 3

SPECIFICATIONS V = full operating range MIN models, unless otherwise noted. Parameter Min V OPERATING VOLTAGE RANGE 1.0 CC 1.2 Supply Current RESET VOLTAGE THRESHOLD ADM8_L 4.56 ADM8_L 4.50 ADM8_L 4.44 ADM8_M 4.31 ...

Page 4

ADM803/ADM809/ADM810 ABSOLUTE MAXIMUM RATINGS T = 25°C, unless otherwise noted. A Table 1. Parameter V CC RESET, RESET Input Current V CC Output Current RESET, RESET (push-pull) RESET (open drain) Rate of Rise θ Thermal Impedance, SC70 JA ...

Page 5

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS Table 3. Pin Function Descriptions Pin No. Mnemonic 1 GND 2 RESET (ADM810) 2 RESET (ADM803/ADM809 GND 1 ADM803/ ADM809/ ADM810 3 TOP VIEW (Not to Scale) RESET, RESET 2 Figure 3. ...

Page 6

ADM803/ADM809/ADM810 TYPICAL PERFORMANCE CHARACTERISTICS –40 – TEMPERATURE (°C) Figure 4. Supply Current vs. Temperature (No Load) 200 180 V = 10mV OD ...

Page 7

ADM8_L/M/J 100 ADM8_R/S/T 100 RESET COMPARATOR OVERDRIVE, V Figure 10. Maximum Transient Duration Without Causing a Reset Pulse vs. Reset Comparator Overdrive 1000 – V (mV Rev. G ...

Page 8

ADM803/ADM809/ADM810 INTERFACING TO OTHER DEVICES’ OUTPUT The ADM803/ADM809/ADM810 series is designed to integrate with as many devices as possible and, therefore, has a standard output dependent This enables the parts to be used in CC both 3 ...

Page 9

OUTLINE DIMENSIONS 1.35 1.25 1.15 1.00 0.80 0.10 MAX ORDERING GUIDE Threshold Model Reset (V) ADM803LAKS-REEL 4.63 ADM803LAKS-REEL7 4.63 2 ADM803LAKSZ-REEL 4.63 2 ADM803LAKSZ-REEL7 4.63 ADM803MAKS-REEL7 4.38 2 ADM803MAKSZ-REEL 4.38 2 ADM803MAKSZ-REEL7 4.38 ADM803RAKS-REEL7 2.63 ADM803RAKSZ-REEL 2 2.63 2 ADM803RAKSZ-REEL7 ...

Page 10

... ADM809RARTZ-REEL 2.63 2 ADM809RARTZ-REEL7 2.63 ADM809SAKS-REEL 2.93 ADM809SAKS-REEL7 2.93 2 ADM809SAKSZ-REEL 2.93 ADM809SAKSZ-REEL7 2 2.93 ADM809SART-REEL 2.93 ADM809SART-REEL7 2.93 2 ADM809SARTZ-REEL 2.93 2 ADM809SARTZ-REEL7 2.93 ADM809TAKS-REEL7 3.08 2 ADM809TAKSZ-REEL 3.08 2 ADM809TAKSZ-REEL7 3.08 ADM809TART-REEL 3.08 ADM809TART-REEL7 3.08 2 ADM809TARTZ-REEL 3.08 ADM809TARTZ-REEL7 2 3.08 Temperature 1 Range Branding −40°C to +125°C M05 − ...

Page 11

Threshold Model Reset (V) ADM809ZAKS-REEL 2.32 ADM809ZAKS-REEL7 2.32 2 ADM809ZAKSZ-REEL 2.32 2 ADM809ZAKSZ-REEL7 2.32 ADM809ZART-REEL 2.32 ADM809ZART-REEL7 2.32 2 ADM809ZARTZ-REEL 2.32 ADM809ZARTZ-REEL7 2 2.32 ADM810JAKS-REEL 4.00 ADM810JAKS-REEL7 4.00 2 ADM810JAKSZ-REEL 4.00 2 ADM810JAKSZ-REEL7 4.00 ADM810JART-REEL7 4.00 2 ADM810JARTZ-REEL 4.00 2 ...

Page 12

ADM803/ADM809/ADM810 Threshold Model Reset (V) 2 ADM810ZAKSZ-REEL7 2.32 ADM810ZART-REEL 2.32 ADM810ZART-REEL7 2.32 2 ADM810ZARTZ-REEL 2.32 2 ADM810ZARTZ-REEL7 2. Date code, may be top or bottom marked Pb-free part. 3 Pb-free part has XX branded ...

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