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LTC1440IN8 Datasheet(PDF) 3 Page - Linear Technology

Part # LTC1440IN8
Description  Ultralow Power Single/Dual Comparator with Reference
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC1440IN8 Datasheet(HTML) 3 Page - Linear Technology

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LTC1440/LTC1441/LTC1442
144012fc
ELECTRICAL CHARACTERISTICS The denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. V
+ = 5V and V= GND = 0V unless otherwise noted.
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Power Supply
V +
Supply Voltage Range
2.0
11.0
V
ICC
Supply Current
IN + = IN + 80mV
LTC1440 0
°C ≤ TA ≤ 70°C
2.1
4.0
µA
HYST = REF (LTC1440/LTC1442)
–40
°C ≤ TA ≤ 85°C
4.4
µA
LTC1441
3.5
5.7
µA
LTC1442
3.5
5.7
µA
Comparator
VOS
Comparator Input Offset Voltage
VCM = 2.5V
±3
±10
mV
IIN
Input Leakage Current (IN +, IN )VIN+ = VIN– = 2.5V
±0.01
±1.0
nA
Input Leakage Current (HYST)
±0.02
±1.0
nA
VCM
Comparator Input Common
V
V + – 1.3V
V
Mode Range
CMRR
Common Mode Rejection Ratio
V to V + – 1.3V
0.1
1
mV/V
PSRR
Power Supply Rejection Ratio
V + = 2V to 11V (LTC1441)
0.1
1
mV/V
V + = 2.5V to 11V (LTC1440/LTC1442)
0.1
1
mV/V
NOISE
Voltage Noise
100Hz to 100kHz
100
µVRMS
VHYST
Hysteresis Input Voltage Range
LTC1440/LTC1442
REF – 50mV
REF
V
tPD
Propagation Delay
COUT = 100pF
Overdrive = 10mV
15
µs
Overdrive = 100mV
8
µs
VOH
Output High Voltage
IO = – 13mA
V + – 0.4V
V
VOL
Output Low Voltage
IO = 1.8mA
LTC1440
GND + 0.4V
V
LTC1441/LTC1442
V + 0.4V
V
Reference
VREF
Reference Voltage
No Load
LTC1440/LTC1442
0
°C ≤ TA ≤ 70°C
1.170
1.194
V
–40
°C ≤ TA ≤ 85°C
1.164
1.200
V
LTC1440 (MSOP, DFN)
1.164
1.200
V
ISOURCE
Reference Output Source Current
∆VREF ≤ 1mV (LTC1442)
100
µA
ISINK
Reference Output Sink Current
∆VREF ≤ 2.5mV (LTC1442)
10
20
µA
∆VREF
Reference Source Current
0
≤ ISOURCE ≤ 2mA (LTC1440)
0.8
5
mV
Reference Sink Current
0
≤ ISINK ≤ 10µA (LTC1440)
0.5
1.5
mV
5mV
NOISE
Voltage Noise
100Hz to 100kHz
100
µVRMS


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