LTC1199 データシートの表示（PDF） - Linear Technology
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LTC1199 Datasheet PDF : 28 Pages
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TYPICAL PERFOR A CE CHARACTERISTICS
LTC1197/LTC1197L
LTC1199/LTC1199L
Supply Current vs Clock Rate*
20
18
16
VCC = 9V
14
12
10
8
6
4
VCC = 5V
2
VCC = 2.7V
0
10
100
1000
10000
FREQUENCY (kHz)
1197/99 G01
INL Plot
1.0
VCC = VREF = 5V
fCLK = 7.2MHz
TA = 25°C
0.5
Supply Current vs Supply Voltage
16
80
fCLK = 3.5MHz
14 TA = 25°C
70
12
60
10
ACTIVE
MODE
50
8
40
6
30
4
20
2
SHUTDOWN
10
MODE
0
0
01 23456789
SUPPLY VOLTAGE (V)
1197/99 G02
DNL Plot
1.0
VCC = VREF = 5V
fCLK = 7.2MHz
TA = 25°C
0.5
0
0
– 0.5
– 0.5
– 1.0
0 128 256 384 512 640 768 896 1024
CODE
1197/99 G04
ENOBs vs Frequency
10
9
8
VCC = 2.7V
fSMPL = 250kHz
7
VCC = 5V
6
fSMPL = 500kHz
5
4
3
2
1
0
1
10
100
1000
FREQUENCY (kHz)
1197/99 G07
– 1.0
0 128 256 384 512 640 768 896 1024
CODE
1197/99 G26
THD vs Frequency
0
TA = 25°C
– 10
– 20
– 30
– 40
– 50
– 60
– 70
– 80
10
VCC = 2.7V
fSMPL = 250kHz
VCC = 5V
fSMPL = 500kHz
100
FREQUENCY (kHz)
1000
1197/99 G08
Supply Current
vs Sampling Frequency
10000
1000
100
VCC = 5V
fCLK = 7.2MHz
10
VCC = 2.7V
fCLK = 3.5MHz
1
0.1
0.01
0.1
1
10 100
SAMPLING FREQUENCY (kHz)
1000
1197/99 G03
LTC1197 4096 Point FFT
0
– 10
fSMPL = 500kHz
fIN = 97.045898kHz
– 20
– 30
– 40
– 50
– 60
– 70
– 80
– 90
–100
0
50 100 150 200 250
FREQUENCY (kHz)
1197/99 G06
Intermodulation Distortion Plot
0
fSMPL = 500kHz
– 10
fIN1 = 97.045898kHz
– 20
fIN2 = 102.905273kHz
– 30
– 40
– 50
– 60
– 70
– 80
– 90
–100
0
50 100 150 200 250
FREQUENCY (kHz)
1197/99 G09
*Part is continuously sampling, spending only a minimum amount of time in shutdown.
7
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