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LTC1440IMS8#TRPBF

Description
IC COMP SGL LP 1.182V REF 8-MSOP
CategoryAnalog mixed-signal IC    Amplifier circuit   
File Size252KB,16 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Environmental Compliance
Download Datasheet Parametric View All

LTC1440IMS8#TRPBF Overview

IC COMP SGL LP 1.182V REF 8-MSOP

LTC1440IMS8#TRPBF Parametric

Parameter NameAttribute value
Brand NameLinear Technology
Is it Rohs certified?conform to
MakerLinear ( ADI )
Parts packaging codeMSOP
package instructionTSSOP, TSSOP8,.19
Contacts8
Manufacturer packaging codeMS8
Reach Compliance Codecompliant
ECCN codeEAR99
Amplifier typeCOMPARATOR
Maximum input offset voltage10000 µV
JESD-30 codeS-PDSO-G8
JESD-609 codee3
length3 mm
Humidity sensitivity level1
Negative supply voltage upper limit-0.3 V
Nominal Negative Supply Voltage (Vsup)
Number of functions1
Number of terminals8
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeTSSOP
Encapsulate equivalent codeTSSOP8,.19
Package shapeSQUARE
Package formSMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)260
power supply+-1/+-5.5/2/11 V
Certification statusNot Qualified
Nominal response time14000 ns
Maximum seat height1.1 mm
Maximum slew rate0.0044 mA
Supply voltage upper limit12 V
Nominal supply voltage (Vsup)3 V
surface mountYES
technologyCMOS
Temperature levelINDUSTRIAL
Terminal surfaceMatte Tin (Sn)
Terminal formGULL WING
Terminal pitch0.65 mm
Terminal locationDUAL
Maximum time at peak reflow temperature30
width3 mm
LTC1440/LTC1441/LTC1442
Ultralow Power Single/Dual
Comparator with Reference
FEATURES
DESCRIPTIO
Ultralow Quiescent Current: 2.1
µ
A Typ (LTC1440)
Reference Output Drives 0.01
µ
F Capacitor
Adjustable Hysteresis (LTC1440/LTC1442)
Wide Supply Range:
Single: 2V to 11V
Dual:
±1V
to
±5.5V
Input Voltage Range Includes the Negative Supply
TTL/CMOS Compatible Outputs
12µs Propagation Delay with 10mV Overdrive
No Crowbar Current
40mA Continuous Source Current
Pin Compatible Upgrades for MAX921/922/923
3mm x 3mm x 0.75mm DFN Package (LTC1440)
The LTC
®
1440/LTC1441/LTC1442 are ultralow power
single and dual comparators with built-in references. The
comparators feature less than 3.7µA supply current over
temperature (LTC1440), a 1.182V
±1%
reference, pro-
grammable hysteresis (LTC1440/LTC1442) and TTL/CMOS
outputs that sink and source current. The reference output
can drive a bypass capacitor of up to 0.01µF without
oscillation.
The comparators operate from a single 2V to 11V supply
or a dual
±1V
to
±5.5V
supply (LTC1440). Comparator
hysteresis is easily programmed by using two resistors
and the HYST pin (LTC1440/LTC1442). Each comparator’s
input operates from the negative supply to within 1.3V of
the positive supply. The comparator output stage can
continuously source up to 40mA. By eliminating the
cross-conducting current that normally happens when the
comparator changes logic states, the power supply glitches
are eliminated.
The LTC1440 is available in 8-pin PDIP, SO, MSOP and
DFN packages. The LTC1441/LTC1442 are available in
8-pin PDIP and SO packages.
APPLICATIO S
Battery-Powered System Monitoring
Threshold Detectors
Window Comparators
Oscillator Circuits
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
TYPICAL APPLICATIO
3.3V
Micropower 2.9V V
CC
Threshold Detector
LTC1440 Supply Current vs Temperature
5.0
V
+
= 5V
V
= GND = 0V
SUPPLY CURRENT (µA)
R1
1.65M
1%
R2
1.13M
1%
7
V
+
3 IN
+
4.5
4.0
3.5
3.0
2.5
2.0
+
8
OUT
4 IN
5 HYST
LTC1440
6 REF
1.5
–40 –20
V
2
GND
1
1440 TA01
U
40
20
60
0
TEMPERATURE (°C)
80
100
1440/1/2 TA02
U
U
144012fd
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