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LTC1541CMS8

Description
Micropower Op Amp, Comparator and Reference
CategoryAnalog mixed-signal IC    The signal circuit   
File Size128KB,12 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Download Datasheet Parametric Compare View All

LTC1541CMS8 Overview

Micropower Op Amp, Comparator and Reference

LTC1541CMS8 Parametric

Parameter NameAttribute value
Brand NameLinear Technology
Is it Rohs certified?incompatible
MakerLinear ( ADI )
Parts packaging codeMSOP
package instructionTSSOP,
Contacts8
Manufacturer packaging codeMS8
Reach Compliance Code_compli
ECCN codeEAR99
Other featuresCAN ALSO OPERATE WITH 5V SUPPLY
Analog Integrated Circuits - Other TypesANALOG CIRCUIT
JESD-30 codeS-PDSO-G8
JESD-609 codee0
length3 mm
Humidity sensitivity level1
Number of functions1
Number of terminals8
Maximum operating temperature70 °C
Minimum operating temperature
Package body materialPLASTIC/EPOXY
encapsulated codeTSSOP
Package shapeSQUARE
Package formSMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)235
Certification statusNot Qualified
Maximum seat height1.1 mm
Maximum supply voltage (Vsup)12.6 V
Minimum supply voltage (Vsup)2.5 V
Nominal supply voltage (Vsup)3 V
surface mountYES
technologyCMOS
Temperature levelCOMMERCIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formGULL WING
Terminal pitch0.65 mm
Terminal locationDUAL
Maximum time at peak reflow temperature20
width3 mm
LTC1541/LTC1542
Micropower Op Amp,
Comparator and Reference
FEATURES
s
s
s
s
s
s
s
s
s
DESCRIPTION
The LTC
®
1541/LTC1542 combine a micropower ampli-
fier, comparator and bandgap reference (LTC1541) in an
8-pin package. The part operates from a single 2.5V to
12.6V or dual
±1.25V
to
±6.3V
supply with a typical supply
current of 5µA. Both the op amp and comparator feature
a common mode input voltage range that extends from the
negative supply to within 1.3V of the positive supply. The
op amp output stage swings from rail-to-rail. The
comparator’s inverting input is internally connected to the
reference output (LTC1541).
The reference output voltage is 1.2V
±1%
over the
extended temperature range. The output can drive a
bypass capacitor of up to 0.01µF without any oscillations.
It can also source up to 2mA and sink up to 20µA.
The op amp is internally compensated to be unity-gain
stable with typical GBW at 12kHz and slew rate of 8V/ms.
The comparator has
±3mV
of internal hysteresis to ensure
clean output switching, even with slow moving input
signals.
The LTC1541/LTC1542 are available in MSOP and SO-8
packages.
, LTC and LT are registered trademarks of Linear Technology Corporation.
s
s
s
s
Quiescent Current: 5
µ
A Typ
Outputs Swing Rail-to-Rail
Low Op Amp Offset Voltage: 700
µ
V Max
Reference Output Drives 0.01µF Capacitor
Internal 1.2V
±0.4%
Reference Output (LTC1541)
Low Input Bias Current: 1nA Max
Reference Output Can Source Up to 2mA
Internal
±3mV
Comparator Hysteresis
Comparator and Op Amp Input Range
Includes Ground
Op Amp Capable of Driving Up to 1000pF Load
Unity-Gain Stable and 12kHz Bandwidth
2.5V to 12.6V Supply Voltage Range
Outputs
Daisy-Chained Control
Pin Compatible Upgrade for MAX951/MAX953
APPLICATIONS
s
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Battery- or Solar-Powered Systems
Automotive Keyless Entry
Low Frequency, Local Area Alarms/Detectors
Infrared Receivers for Remote Controls
Smoke Detectors and Safety Sensors
GSM Portable Phones
TYPICAL APPLICATION
Pilot Light Flame Detector with Low-Battery Lockout
V
IN
= 3.6V TO 9V
1N457
TYPE R
1k
100k
1N457
10M
3
10k
2.2µF 1/2 LTC1541
2
2N3904
SCR LOAD
PERCENT OF UNITS (%)
+
+
8
1
OUTPUT HIGH = “ON”
OUTPUT LOW = “OFF”
I
CC
= 7µA AT V
IN
= 5V
2M
5
1M
6
2M
1.2V INTERNAL
REFERENCE
1541/42 • TA01
+
1/2 LTC1541
7
LOW BATTERY
10k
VN2222
U
U
U
Op Amp V
OS
Distribution,
V
CM
= 2.5V, SO-8 Package
Total of 839 Units
50
V
CC
= 5V
V
SS
= 0V
40
30
20
10
0
–600
0
300
–300
INPUT OFFSET VOLTAGE (µV)
600
1541/42 TA02
1

LTC1541CMS8 Related Products

LTC1541CMS8 LTC1542CS8 LTC1542 LTC1542CMS8 LTC1541IS8 LTC1541
Description Micropower Op Amp, Comparator and Reference Micropower Op Amp, Comparator and Reference Micropower Op Amp, Comparator and Reference Micropower Op Amp, Comparator and Reference Micropower Op Amp, Comparator and Reference Micropower Op Amp, Comparator and Reference
Brand Name Linear Technology Linear Technology - Linear Technology Linear Technology -
Is it Rohs certified? incompatible incompatible - incompatible incompatible -
Maker Linear ( ADI ) Linear ( ADI ) - Linear ( ADI ) Linear ( ADI ) -
Parts packaging code MSOP SOIC - MSOP SOIC -
package instruction TSSOP, SOP, - TSSOP, 0.150 INCH, PLASTIC, SO-8 -
Contacts 8 8 - 8 8 -
Manufacturer packaging code MS8 S8 - MS8 S8 -
Reach Compliance Code _compli _compli - _compli _compli -
ECCN code EAR99 EAR99 - EAR99 EAR99 -
Other features CAN ALSO OPERATE WITH 5V SUPPLY CAN ALSO OPERATE WITH 5V SUPPLY - CAN ALSO OPERATE WITH 5V SUPPLY CAN ALSO OPERATE WITH 5V SUPPLY -
Analog Integrated Circuits - Other Types ANALOG CIRCUIT ANALOG CIRCUIT - ANALOG CIRCUIT ANALOG CIRCUIT -
JESD-30 code S-PDSO-G8 R-PDSO-G8 - S-PDSO-G8 R-PDSO-G8 -
JESD-609 code e0 e0 - e0 e0 -
length 3 mm 4.9025 mm - 3 mm 4.9025 mm -
Humidity sensitivity level 1 1 - 1 1 -
Number of functions 1 1 - 1 1 -
Number of terminals 8 8 - 8 8 -
Maximum operating temperature 70 °C 70 °C - 70 °C 85 °C -
Package body material PLASTIC/EPOXY PLASTIC/EPOXY - PLASTIC/EPOXY PLASTIC/EPOXY -
encapsulated code TSSOP SOP - TSSOP SOP -
Package shape SQUARE RECTANGULAR - SQUARE RECTANGULAR -
Package form SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE - SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE -
Peak Reflow Temperature (Celsius) 235 235 - 235 235 -
Certification status Not Qualified Not Qualified - Not Qualified Not Qualified -
Maximum seat height 1.1 mm 1.752 mm - 1.1 mm 1.752 mm -
Maximum supply voltage (Vsup) 12.6 V 12.6 V - 12.6 V 12.6 V -
Minimum supply voltage (Vsup) 2.5 V 2.5 V - 2.5 V 2.5 V -
Nominal supply voltage (Vsup) 3 V 3 V - 3 V 3 V -
surface mount YES YES - YES YES -
technology CMOS CMOS - CMOS CMOS -
Temperature level COMMERCIAL COMMERCIAL - COMMERCIAL INDUSTRIAL -
Terminal surface Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) - Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) -
Terminal form GULL WING GULL WING - GULL WING GULL WING -
Terminal pitch 0.65 mm 1.27 mm - 0.65 mm 1.27 mm -
Terminal location DUAL DUAL - DUAL DUAL -
Maximum time at peak reflow temperature 20 20 - 20 20 -
width 3 mm 3.899 mm - 3 mm 3.899 mm -
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