LTC1442(RevC) 데이터 시트보기 (PDF) - Linear Technology
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LTC1442 Datasheet PDF : 16 Pages
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LTC1440/LTC1441/LTC1442
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
Power Supply
V+
Supply Voltage Range
ICC
Supply Current
Comparator
VOS
Comparator Input Offset Voltage
IIN
Input Leakage Current (IN +, IN –)
Input Leakage Current (HYST)
VCM
Comparator Input Common
Mode Range
CMRR Common Mode Rejection Ratio
PSRR Power Supply Rejection Ratio
NOISE
VHYST
tPD
Voltage Noise
Hysteresis Input Voltage Range
Propagation Delay
VOH
Output High Voltage
VOL
Output Low Voltage
Reference
VREF Reference Voltage
ISOURCE
ISINK
∆VREF
Reference Output Source Current
Reference Output Sink Current
Reference Source Current
Reference Sink Current
NOISE Voltage Noise
CONDITIONS
MIN TYP MAX UNITS
●
2.0
11.0
V
IN + = IN – + 80mV
LTC1440 0°C ≤ TA ≤ 70°C ●
HYST = REF (LTC1440/LTC1442)
–40°C ≤ TA ≤ 85°C ●
2.1
4.0
µA
4.4
µA
LTC1441
●
3.5
5.7
µA
LTC1442
●
3.5
5.7
µA
VCM = 2.5V
VIN+ = VIN – = 2.5V
V – to V + – 1.3V
V + = 2V to 11V (LTC1441)
V + = 2.5V to 11V (LTC1440/LTC1442)
100Hz to 100kHz
LTC1440/LTC1442
COUT = 100pF
Overdrive = 10mV
Overdrive = 100mV
IO = – 13mA
IO = 1.8mA
LTC1440
LTC1441/LTC1442
●
±3
± 10
mV
●
±0.01 ±1.0
nA
●
±0.02 ±1.0
nA
●
V–
V + – 1.3V
V
0.1
1
mV/V
0.1
1
mV/V
0.1
1
mV/V
100
● REF – 50mV
µVRMS
REF
V
15
µs
8
µs
● V + – 0.4V
V
●
GND + 0.4V V
●
V – + 0.4V
V
No Load
LTC1440/LTC1442
0°C ≤ TA ≤ 70°C
–40°C ≤ TA ≤ 85°C
● 1.170
● 1.164
1.194
V
1.200
V
LTC1440 (MSOP, DFN) ● 1.164
1.200
V
∆VREF ≤ 1mV (LTC1442)
∆VREF ≤ 2.5mV (LTC1442)
●
100
µA
10
20
µA
0 ≤ ISOURCE ≤ 2mA (LTC1440)
●
0.8
5
mV
0 ≤ ISINK ≤ 10µA (LTC1440)
0.5
1.5
mV
●
5
mV
100Hz to 100kHz
100
µVRMS
144012fc
3
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