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LT1671CS8#TR

Description
Comparator Single 8-Pin SOIC N T/R
CategoryThe comparator   
File Size200KB,12 Pages
ManufacturerADI
Websitehttps://www.analog.com
Download Datasheet Parametric View All

LT1671CS8#TR Overview

Comparator Single 8-Pin SOIC N T/R

LT1671CS8#TR Parametric

Parameter NameAttribute value
EU restricts the use of certain hazardous substancesNot Compliant
ECCN (US)EAR99
Part StatusUnconfirmed
HTS8542.39.00.01
SVHCYes
SVHC Exceeds ThresholdYes
Manufacturer TypeLow Power Comparator
Number of Channels per Chip1
Rail to RailNo
Typical CMRR (dB)100
Typical PSRR (dB)90
Maximum Propagation Delay Time (ns)80
Output TypeCMOS/TTL
Maximum Input Offset Voltage (mV)2.5@±5V
Typical Single Supply Voltage (V)5
Typical Dual Supply Voltage (V)±5
Typical Voltage Gain (dB)73.98
Typical Voltage Gain Range (dB)70 to 90
Maximum Input Bias Current (uA)0.28@±5V
Maximum Supply Current (mA)0.8@5V/-0.2@-5V
Typical Output Current (mA)20(Max)
Maximum Test Temperature (°C)85
Minimum Test Temperature (°C)-40
Power Supply TypeSingle|Dual
Minimum Operating Temperature (°C)-40
Maximum Operating Temperature (°C)85
PackagingTape and Reel
Standard Package NameSOP
Pin Count8
Supplier PackageSOIC N
MountingSurface Mount
Package Height1.5(Max)
Package Length5(Max)
Package Width3.99(Max)
PCB changed8
Lead ShapeGull-wing
LT1671
60ns, Low Power,
Single Supply, Ground-Sensing
Comparator
FEATURES
s
s
DESCRIPTIO
s
s
s
s
s
s
s
s
s
Low Power: 450
µ
A
Fast: 60ns at 20mV Overdrive
85ns at 5mV Overdrive
Low Offset Voltage: 0.8mV
Operates Off Single 5V or Dual
±5V
Supplies
Input Common Mode Extends to Negative Supply
No Minimum Input Slew Rate Requirement
Complementary TTL Outputs
Inputs Can Exceed Supplies without Phase Reversal
Pin Compatible with LT1394, LT1016 and LT1116
Output Latch Capability
Available in 8-Lead MSOP and SO Packages
The LT
®
1671 is a low power 60ns comparator with comple-
mentary outputs and latch. The input common mode
range extends from 1.5V below the positive supply down
to the negative supply rail. Like the LT1394, LT1016 and
LT1116, this comparator has complementary outputs
designed to interface directly to TTL or CMOS logic. The
LT1671 may operate from either a single 5V supply or dual
±5V
supplies. Low offset voltage specifications and high
gain allow the LT1671 to be used in precision applications.
The LT1671 is designed for improved speed and stability
for a wide range of operating conditions. The output stage
provides active drive in both directions for maximum
speed into TTL, CMOS or passive loads with minimal
cross-conduction current. Unlike other fast comparators,
the LT1671 remains stable even for slow transitions
through the active region, which eliminates the need to
specify a minimum input slew rate.
The LT1671 has an internal, TTL/CMOS compatible latch
for retaining data at the outputs. The latch holds data as
long as the LATCH pin is held high. Device parameters
such as gain, offset and negative power supply current are
not significantly affected by variations in negative supply
voltage.
, LTC and LT are registered trademarks of Linear Technology Corporation.
APPLICATIO S
s
s
s
s
s
s
s
s
High Speed A/D Converters
Zero-Crossing Detectors
Current Sense for Switching Regulators
Extended Range V/F Coverters
Fast Pulse Height/Width Discriminators
High Speed Triggers
Line Receivers
High Speed Sampling Circuits
TYPICAL APPLICATIO
5V
2k
1MHz CRYSTAL
(AT-CUT)
Propagation Delay vs Overdrive
140
120
100
V
S
=
±5V
V
STEP
= 100mV
T
A
= 25°C
R
L
= 1M
1MHz Crystal Oscillator
TIME (ns)
80
FALLING EDGE (t
PDHL
)
60
40
20
+
2k
LT1671
OUTPUT
2k
0.068µF
1671 TA01
1671 TA01
0
U
RISING EDGE (t
PDLH
)
10
20
30
OVERDRIVE (mV)
40
50
1671 TA02
U
U
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