1841 Просмотр технического описания (PDF) - Linear Technology
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1841 Datasheet PDF : 12 Pages
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LTC1841/LTC1842/LTC1843
ABSOLUTE MAXIMUM RATINGS
(Note 1)
Voltage
V + to V – ................................................12V to – 0.3V
IN +, IN –, HYST ................. (V + + 0.3V) to (V – – 0.3V)
REF ................................... (V + + 0.3V) to (V – – 0.3V)
OUT ................................................ 12V to (V – – 0.3V)
Current
IN +, IN –, HYST ................................................. 20mA
REF ................................................................... 20mA
OUT .................................................................. 50mA
OUT Short-Circuit Duration (V + ≤ 5.5V) ...... Continuous
Power Dissipation ............................................. 500mW
Operating Temperature Range
LTC1841C/LTC1842C/LTC1843C ........... 0°C to 70°C
LTC1841I/LTC1842I/LTC1843I .......... – 40°C to 85°C
Storage Temperature Range ................ – 65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
PACKAGE/ORDER INFORMATION
TOP VIEW
OUT A 1
V– 2
IN A+ 3
IN A– 4
8 OUT B
7 V+
6 IN B+
5 IN B–
S8 PACKAGE
8-LEAD PLASTIC SO
TJMAX = 150°C, θJA = 125°C/ W
ORDER PART
NUMBER
S8 PART
MARKING
LTC1841CS8
LTC1841IS8
1841
1841I
Consult factory for Military grade parts.
TOP VIEW
OUT A 1
V– 2
IN A+ 3
IN B+ 4
8 OUT B
7 V+
6 REF
5 HYST
S8 PACKAGE
8-LEAD PLASTIC SO
TJMAX = 150°C, θJA = 125°C/ W
ORDER PART
NUMBER
S8 PART
MARKING
LTC1842CS8
LTC1842IS8
1842
1842I
TOP VIEW
OUT A 1
V– 2
IN A+ 3
IN B– 4
8 OUT B
7 V+
6 REF
5 HYST
S8 PACKAGE
8-LEAD PLASTIC SO
TJMAX = 150°C, θJA = 125°C/ W
ORDER PART
NUMBER
S8 PART
MARKING
LTC1843CS8
LTC1843IS8
1843
1843I
ELECTRICAL CHARACTERISTICS V+ = 5V, V– = 0V, TA = 25°C unless otherwise noted.
SYMBOL PARAMETER
Power Supply
V+
Supply Voltage Range
ICC
Supply Current
Comparator
VOS
Comparator Input Offset Voltage
IIN
Input Leakage Current (IN +, IN –)
VIN
PSRR
Comparator Input Voltage Range
Power Supply Rejection Ratio
CMRR Common Mode Rejection Ratio
VHYST Hysteresis Input Voltage Range
CONDITIONS
LTC1841
LTC1842/LTC1843
HYST = REF (Note 2)
(Note 3)
IN + = IN – = 2.5V (LTC1841),
IN + = IN – = VREF (LTC1842/LTC1843)
V + = 2V to 11V (LTC1841),
V + = 2.5V to 11V (LTC1842/LTC1843)
VCM = V– to (V+ – 1.3V) LTC1841
LTC1842/LTC1843
MIN
TYP
q
2.0
q
2.5
q
3.5
q
±3
q
± 0.01
q
V–
0.1
q
0.1
q VREF – 50mV
MAX
11
11
5.7
± 10
± 1.0
V + – 1.3V
1
1
VREF
UNITS
V
V
µA
mV
nA
V
mV/V
mV/V
V
2
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