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LTC1326CS8#TRPBF

Description
Monitoring circuit uP Precision Triple Supply Monitor
CategoryPower/power management    The power supply circuit   
File Size181KB,16 Pages
ManufacturerADI
Websitehttps://www.analog.com
Environmental Compliance
Download Datasheet Parametric Compare View All

LTC1326CS8#TRPBF Overview

Monitoring circuit uP Precision Triple Supply Monitor

LTC1326CS8#TRPBF Parametric

Parameter NameAttribute value
Brand NameAnalog Devices Inc
Is it lead-free?Contains lead
Is it Rohs certified?conform to
MakerADI
package instructionSOP,
Contacts8
Manufacturer packaging code05-08-1610 (S8)
Reach Compliance Codecompliant
Is SamacsysN
Other featuresRESET THRESHOLD VOLTAGE IS 4.725; MANUAL PUSH-BUTTON RESET INPUT
Adjustable thresholdNO
Analog Integrated Circuits - Other TypesPOWER SUPPLY SUPPORT CIRCUIT
JESD-30 codeR-PDSO-G8
JESD-609 codee3
length4.9025 mm
Humidity sensitivity level1
Number of channels3
Number of functions3
Number of terminals8
Maximum operating temperature70 °C
Minimum operating temperature
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Peak Reflow Temperature (Celsius)260
Certification statusNot Qualified
Maximum seat height1.752 mm
Maximum supply voltage (Vsup)7 V
Minimum supply voltage (Vsup)1 V
Nominal supply voltage (Vsup)5 V
surface mountYES
technologyCMOS
Temperature levelCOMMERCIAL
Terminal surfaceMatte Tin (Sn)
Terminal formGULL WING
Terminal pitch1.27 mm
Terminal locationDUAL
Maximum time at peak reflow temperature30
width3.899 mm
Base Number Matches1
LTC1326/LTC1326-2.5
Micropower Precision
Triple Supply Monitors
FEATURES
DESCRIPTIO
Simultaneously Monitors Three Supplies
LTC1326: 5V, 3.3V and ADJ
LTC1326-2.5: 2.5V, 3.3V and ADJ
Guaranteed Threshold Accuracy:
±0.75%
Low Supply Current: 20µA
Internal Reset Time Delay: 200ms
Manual Push-Button Reset Input
Active Low and Active High Reset Outputs
Active Low “Soft” Reset Output
Power Supply Glitch Immunity
Guaranteed RESET for V
CC3
1V or V
CC5
1V
or V
CC25
1V
8-Pin SO and MSOP Packages
The LTC
®
1326/LTC1326-2.5 are triple supply monitors
intended for systems with multiple supply voltages. They
provide micropower operation, small size and high accu-
racy supply monitoring.
Tight 0.75% threshold accuracy and glitch immunity
ensure reliable reset operation without false triggering.
The 20µA typical supply current makes the LTC1326/
LTC1326-2.5 ideal for power-conscious systems.
The RST output is guaranteed to be in the correct state for
V
CC3
, V
CC5
or V
CC25
down to 1V. The LTC1326/LTC1326-2.5
can be configured to monitor one, two or three inputs,
depending on system requirements.
A manual push-button reset input provides the ability to
generate a very narrow “soft” reset pulse (100µs typ) or a
200ms reset pulse equivalent to a power-on reset. Both
SRST and RST outputs are open-drain and can be OR-tied
with other reset sources.
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
Protected by U.S. Patents, including 4843302.
APPLICATIO S
Desktop Computers
Notebook Computers
Intelligent Instruments
Portable Battery-Powered Equipment
TYPICAL APPLICATIO
DC/DC
CONVERTER
2.5V
3.3V
V
CORE
RST Output Voltage vs Supply Voltage (LTC1326-2.5)
3.5
SYSTEM
LOGIC
RST OUTPUT VOLTAGE (V)
3.0
2.5
2.0
1.5
1.0
0.5
V
CC25
= V
CCA
= V
CC3
4.7k PULL-UP FROM RST TO V
CC3
T
A
= 25°C
0.1µF
V
CC25
V
CC3
V
CCA
LTC1326-2.5
RST
PBR
PUSH-BUTTON
RESET
GND
SRST
0
0
0.5
1.0
1.5 2.0
V
CC3
(V)
2.5
3.0
3.5
1326/2.5 TA01
U
1326/2.5 TA02
U
U
132625fc
1

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Description Monitoring circuit uP Precision Triple Supply Monitor Supervisory Circuits LTC1326 - Micropower Precision Triple Supply Monitor Supervisory Circuits uP Precision Triple Supply Monitor Supervisory Circuits LTC1326 - Micropower Precision Triple Supply Monitor Supervisory Circuits uP Precision Triple Supply Monitor Supervisory Circuits LTC1326 - Micropower Precision Triple Supply Monitor Supervisory Circuits LTC1326 - Micropower Precision Triple Supply Monitor Supervisory Circuits LTC1326 - Micropower Precision Triple Supply Monitor Monitoring circuit uP Precision Triple Supply Monitor
Is it Rohs certified? conform to incompatible conform to incompatible conform to incompatible incompatible incompatible conform to
Maker ADI ADI ADI ADI ADI ADI ADI ADI ADI
package instruction SOP, SOP, TSSOP, PLASTIC, MSOP-8 SOP, SOP, TSSOP, PLASTIC, MSOP-8 TSSOP,
Reach Compliance Code compliant not_compliant compliant not_compliant compliant not_compliant not_compliant not_compliant compliant
Other features RESET THRESHOLD VOLTAGE IS 4.725; MANUAL PUSH-BUTTON RESET INPUT RESET THRESHOLD VOLTAGE IS 2.363; MANUAL PUSH-BUTTON RESET INPUT RESET THRESHOLD VOLTAGE IS 2.363; MANUAL PUSH-BUTTON RESET INPUT RESET THRESHOLD VOLTAGE IS 2.363; MANUAL PUSH-BUTTON RESET INPUT RESET THRESHOLD VOLTAGE IS 4.725; MANUAL PUSH-BUTTON RESET INPUT RESET THRESHOLD VOLTAGE IS 4.725; MANUAL PUSH-BUTTON RESET INPUT RESET THRESHOLD VOLTAGE IS 2.363; MANUAL PUSH-BUTTON RESET INPUT RESET THRESHOLD VOLTAGE IS 2.363; MANUAL PUSH-BUTTON RESET INPUT RESET THRESHOLD VOLTAGE IS 2.363; MANUAL PUSH-BUTTON RESET INPUT
Adjustable threshold NO NO NO NO NO NO NO NO NO
Analog Integrated Circuits - Other Types POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT
JESD-30 code R-PDSO-G8 R-PDSO-G8 S-PDSO-G8 S-PDSO-G8 R-PDSO-G8 R-PDSO-G8 S-PDSO-G8 S-PDSO-G8 S-PDSO-G8
JESD-609 code e3 e0 e3 e0 e3 e0 e0 e0 e3
length 4.9025 mm 4.9025 mm 3 mm 3 mm 4.9025 mm 4.9025 mm 3 mm 3 mm 3 mm
Humidity sensitivity level 1 1 1 1 1 1 1 1 1
Number of channels 3 3 3 3 3 3 3 3 3
Number of functions 3 3 3 3 3 3 3 3 3
Number of terminals 8 8 8 8 8 8 8 8 8
Maximum operating temperature 70 °C 70 °C 85 °C 85 °C 85 °C 70 °C 85 °C 70 °C 85 °C
Minimum operating temperature - - -40 °C -40 °C -40 °C - -40 °C - -40 °C
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code SOP SOP TSSOP TSSOP SOP SOP TSSOP TSSOP TSSOP
Package shape RECTANGULAR RECTANGULAR SQUARE SQUARE RECTANGULAR RECTANGULAR SQUARE SQUARE SQUARE
Package form SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius) 260 235 260 235 260 235 235 235 260
Certification status Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified
Maximum seat height 1.752 mm 1.752 mm 1.1 mm 1.1 mm 1.752 mm 1.752 mm 1.1 mm 1.1 mm 1.1 mm
Maximum supply voltage (Vsup) 7 V 7 V 7 V 7 V 7 V 7 V 7 V 7 V 7 V
Minimum supply voltage (Vsup) 1 V 1 V 1 V 1 V 1 V 1 V 1 V 1 V 1 V
Nominal supply voltage (Vsup) 5 V 2.5 V 2.5 V 2.5 V 5 V 5 V 2.5 V 2.5 V 2.5 V
surface mount YES YES YES YES YES YES YES YES YES
technology CMOS CMOS CMOS CMOS CMOS CMOS CMOS CMOS CMOS
Temperature level COMMERCIAL COMMERCIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL COMMERCIAL INDUSTRIAL COMMERCIAL INDUSTRIAL
Terminal surface Matte Tin (Sn) Tin/Lead (Sn/Pb) Matte Tin (Sn) Tin/Lead (Sn/Pb) Matte Tin (Sn) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) MATTE TIN
Terminal form GULL WING GULL WING GULL WING GULL WING GULL WING GULL WING GULL WING GULL WING GULL WING
Terminal pitch 1.27 mm 1.27 mm 0.65 mm 0.65 mm 1.27 mm 1.27 mm 0.65 mm 0.65 mm 0.65 mm
Terminal location DUAL DUAL DUAL DUAL DUAL DUAL DUAL DUAL DUAL
Maximum time at peak reflow temperature 30 20 30 20 30 20 20 20 30
width 3.899 mm 3.899 mm 3 mm 3 mm 3.899 mm 3.899 mm 3 mm 3 mm 3 mm
Is Samacsys N - N N N - - N N
Base Number Matches 1 - 1 1 1 - - 1 1
ECCN code - EAR99 - EAR99 - EAR99 EAR99 EAR99 -
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