LTC1443(RevA) 데이터 시트보기 (PDF) - Linear Technology
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LTC1443 Datasheet PDF : 12 Pages
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LTC1443/LTC1444/LTC1445
TYPICAL PERFOR A CE CHARACTERISTICS
Comparator Response Time vs
Input Overdrive
5
TA = 25°C
4
100mV
10mV
3
50mV
2
20mV
1
0
0
100
–1 0
24
6 8 10
RESPONSE TIME (µs)
LTC1443/44/45 • TPC10
Comparator Response Time vs
Input Overdrives
5
4 TA = 25°C
100mV 50mV
3
20mV
2
10mV
1
0
100
0
–1 0 2 4 6 8 10 12 14 16 18
RESPONSE TIME (µs)
LTC1443/44/45 • TPC11
Comparator Short-Circuit Sink
Current vs Supply Voltage
200
180 TA = 25°C
160
140
OUT CONNECTED TO V+
120
100
80
60
40
20
0
0 1 2 3 4 5 6 7 8 9 10
SUPPLY VOLTAGE (V)
LTC1443/44/45 • TPC12
Comparator Short-Circuit Source
Current vs Supply Voltage
160
Comparator Response Time vs
Load Capacitance
12
140
120
100
OUT CONNECTED TO
V– = GND = 0V
80
60
10
tPHL
8
6
t PLH
40
4
20
0
0
1
2
3
4
5
SUPPLY VOLTAGE (V)
LTC1443/44/45 • TPC13
2
0
20
40
60
80 100
LOAD CAPACITANCE (nF)
LTC1443/44/45 • TPC14
Supply Current vs
Comparator Input Frequency
10000
Comparator Response Time at
Low Supply Voltage
10000
1000
100
10
1
1
COUT = 55pF
COUT = 15pF
COUT = 5pF
10
100
1k
10k 100k
INPUT FREQUENCY (Hz)
LTC1329 • TPC15
1000
100
20mV OVERDRIVE
10
100mV OVERDRIVE
1
1 1.1 1.2 1.3 1.4 1.5 1.6
SUPPLY VOLTAGE (V)
LTC1443/44/45 • TPC16
5
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