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LTC1444CN

Description
QUAD COMPARATOR, 10000 uV OFFSET-MAX, 14000 ns RESPONSE TIME, PDSO16
CategoryAnalog mixed-signal IC    Amplifier circuit   
File Size180KB,12 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Download Datasheet Parametric View All

LTC1444CN Overview

QUAD COMPARATOR, 10000 uV OFFSET-MAX, 14000 ns RESPONSE TIME, PDSO16

LTC1444CN Parametric

Parameter NameAttribute value
Brand NameLinear Technology
Is it Rohs certified?incompatible
MakerLinear ( ADI )
Parts packaging codeDIP
package instructionDIP, DIP16,.3
Contacts16
Manufacturer packaging codeN
Reach Compliance Codenot_compliant
ECCN codeEAR99
Amplifier typeCOMPARATOR
Maximum input offset voltage10000 µV
JESD-30 codeR-PDIP-T16
JESD-609 codee0
Humidity sensitivity level1
Negative supply voltage upper limit-0.3 V
Nominal Negative Supply Voltage (Vsup)
Number of functions4
Number of terminals16
Maximum operating temperature70 °C
Minimum operating temperature
Output typeOPEN-DRAIN
Package body materialPLASTIC/EPOXY
encapsulated codeDIP
Encapsulate equivalent codeDIP16,.3
Package shapeRECTANGULAR
Package formIN-LINE
Peak Reflow Temperature (Celsius)NOT SPECIFIED
power supply3/5 V
Certification statusNot Qualified
Nominal response time14000 ns
Maximum seat height3.937 mm
Maximum slew rate0.009 mA
Supply voltage upper limit12 V
Nominal supply voltage (Vsup)3 V
surface mountNO
technologyCMOS
Temperature levelCOMMERCIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formTHROUGH-HOLE
Terminal pitch2.54 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width7.62 mm
LTC1443/LTC1444/LTC1445
Ultralow Power Quad
Comparators with Reference
FEATURES
s
s
DESCRIPTIO
®
s
s
s
s
s
s
s
s
Ultralow Quiescent Current: 8.5
µ
A Max
Wide Supply Range
Single: 2V to 11V
Dual:
±1V
to
±5.5V
Input Voltage Range Includes the Negative Supply
Reference Output Drives 0.01
µ
F Capacitor
Adjustable Hysteresis (LTC1444/LTC1445)
TTL/CMOS Compatible Outputs
Propagation Delay: 12µs (Typ) (10mV Overdrive)
No Crowbar Current
40mA Continuous Source Current
Pin Compatible Upgrades for MAX924 (LTC1443)
The LTC 1443/LTC1444/LTC1445 are ultralow power quad
comparators with a built-in reference. The comparators
feature less than 8.5µA supply current over temperature,
an internal reference (1.182V
±1%
for LTC1443 or 1.221V
±1%
for LTC1444/LTC1445), programmable hysteresis
(LTC1444/LTC1445) and TTL/CMOS output (LTC1443/
LTC1445) that sinks and sources current (open-drain
output for LTC1444). 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 (LTC1443). Comparator
hysteresis is easily programmable using two resistors and
the HYST pin (LTC1444/LTC1445). Each comparator’s
input operates from the negative supply to within 1.3V of
the positive supply. The LTC1443/LTC1445 comparator
output stage can continuously source up to 40mA. By
eliminating the cross-conducting current that normally
happens when the comparator changes logic states, power
supply glitches are eliminated.
The LTC1443/LTC1444/LTC1445 are available in the
16-pin SO and PDIP packages.
, LTC and LT are registered trademarks of Linear Technology Corporation.
APPLICATIO S
s
s
s
s
Battery-Powered System Monitoring
Threshold Detectors
Window Comparators
Oscillator Circuits
TYPICAL APPLICATIO
V
IN
3.4M
1%
5V
TO 8V
Reference Settling Test Circuit
3
V
+
5 IN A
+
V
+
5V
2
4 IN A
8V
2mV/DIV
+
OUT
V
REF
LTC1445
V
9
OUT
2ms/DIV
LTC1443/1444/1445 • TA02
14 HYST
1.21M
1%
R1
10k
R2
2.4M
8 REF
R3
430Ω
C1
1.0µF
LTC1443/44/45 • TA01
U
Reference Settling
U
U
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