LTC1865C データシートの表示（PDF） - Linear Technology
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LTC1865C Datasheet PDF : 24 Pages
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LTC1864/LTC1865
TYPICAL PERFORMANCE CHARACTERISTICS
Supply Current vs Sampling
Frequency
1000
100
VCC = 5V
TA = 25°C
CONV LOW = 800ns
10
1
0.1
0.01
0.01
0.1
1.0
10 100
SAMPLING FREQUENCY (kHz)
1000
18645 G01
Reference Current vs
Sampling Rate
60
VCC = 5V
TA = 25°C
50 VREF = 5V
CONV LOW = 800ns
40
30
20
10
0
0
50
100 150 200 250
SAMPLE RATE (kHz)
18645 G04
Typical INL Curve
4
VCC = 5V
TA = 25°C
VREF = 5V
2
Supply Current vs Temperature
1000
800
600
400
200
0
–50 –25
VCC = 5V
VREF = 5V
fSAMPLE = 250kHz
CONV HIGH = 3.2μS
0 25 50 75 100 125
TEMPERATURE (°C)
18645 G02
Reference Current vs
Temperature
55
VCC = 5V
54 VREF = 5V
53 fS = 250kHz
52
51
50
49
48
47
46
45
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
18645 G05
Typical DNL Curve
2
VCC = 5V
TA = 25°C
VREF = 5V
1
Sleep Current vs Temperature
1000
CONV = VCC = 5V
900
800
700
600
500
400
300
200
100
0
–50 –25
0 25 50 75 100 125
TEMPERATURE (°C)
18645 G03
Reference Current vs
Reference Voltage
60
VCC = 5V
TA = 25°C
50 fS = 250kHz
40
30
20
10
0
0
1
2
3
VREF (V)
4
5
18645 G06
Analog Input Leakage Current vs
Temperature
100
VCC = 5V
VREF = 5V
CONV = 0V
75
0
0
50
–2
–1
25
–4
0
16384
32768
CODE
49152 65536
18645 G07
–2
0
16384
32768
CODE
49152 65536
18645 G08
8
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
18645 G09
18645fb
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