LTC1443(RevA) 데이터 시트보기 (PDF) - Linear Technology
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LTC1443 Datasheet PDF : 12 Pages
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LTC1443/LTC1444/LTC1445
ELECTRICAL CHARACTERISTICS The q denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. V+ = 5V, V – = GND = 0V, unless otherwise noted.
SYMBOL PARAMETER
tPD
Propagation Delay
VOH
Output High Voltage
VOL
Output Low Voltage
Reference
VREF Reference Voltage
ISOURCE Reference Output Source Current
ISINK Reference Output Sink Current
Noise Voltage Noise
CONDITIONS
Overdrive = 10mV, COUT = 100pF
Overdrive = 100mV, COUT = 100pF
IO = – 15mA; LTC1443/LTC1445
IO = 1.8mA; LTC1443
IO = 1.8mA; LTC1444/LTC1445
No Load, LTC1443
No Load, LTC1444/
LTC1445
∆VREF ≤ 1mV
∆VREF ≤ 2.5mV
∆VREF ≤ 5mV
100Hz to 100kHz
C Temp Range
I Temp Range
C Temp Range
I Temp Range
MIN
q V+ – 0.4V
q
q
TYP
MAX UNITS
12
µs
4
µs
V
GND + 0.4V
V
V– + 0.4V
V
q 1.170
q 1.164
q 1.209
q 1.203
q 100
10
q
10
1.182
1.221
200
15
15
100
1.194
1.200
1.233
1.239
V
V
V
V
µA
µA
µA
µVRMS
The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C.
V+ = 3V, 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 Voltage Noise
VHYST
tPD
Hysteresis Input Voltage Range
Propagation Delay
VOH
Output High Voltage
VOL
Output Low Voltage
Reference
VREF Reference Voltage
ISOURCE Reference Output Source Current
ISINK Reference Output Sink Current
Noise Noise Voltage
CONDITIONS
IN+ = IN– = 80mV, HYST = REF
VCM = 1.5V
VIN+ = VIN– = 1.5V
LTC1444/LTC1445
V– to (V+ –1.3V)
V+ = 2V to 11V
100Hz to 100kHz
LTC1444/LTC1445
Overdrive = 10mV, COUT = 100pF
Overdrive = 100mV, COUT = 100pF
IO = – 10mA, LTC1443/LTC1445
IO = 0.8mA; LTC1443
IO = 0.8mA; LTC1444/LTC1445
No Load, LTC1443
No Load, LTC1444/
LTC1445
∆VREF ≤ 1mV
∆VREF ≤ 2.5mV
∆VREF ≤ 5mV
100Hz to 100kHz
C Temp Range
I Temp Range
C Temp Range
I Temp Range
Note 1: Absolute Maximum Ratings are those values beyond which the life
of the device may be impaired.
MIN
TYP
MAX UNITS
q
2.0
11.0
V
q
5
8
µA
q
q
q
q
V–
q REF – 50mV
q V+ – 0.4V
q
q
±3.0
±0.01
±0.02
0.1
0.1
100
14
5
±10.0
mV
±1.0
nA
±1.0
nA
V+ – 1.3V
V
1.0
mV/V
1.0
mV/V
µVRMS
REF
V
µs
µs
V
GND + 0.4V
V
V– + 0.4V
V
q 1.170
q 1.164
q 1.209
q 1.203
q
60
10
q
10
1.182
1.221
120
15
15
100
1.194
1.200
1.233
1.239
V
V
V
V
µA
µA
µA
µVRMS
3
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