LTC1417 Просмотр технического описания (PDF) - Linear Technology
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LTC1417 Datasheet PDF : 32 Pages
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LTC1417
TYPICAL PERFOR A CE CHARACTERISTICS (TA = 25°C)
Signal-to-Noise Ratio
vs Input Frequency
90
80
70
60
50
40
30
20
10
0
1k
10k
100k
INPUT FREQUENCY (Hz)
1M
1417 G04
Nonaveraged, 4096 Point FFT,
Input Frequency = 10kHz
0
fSAMPLE = 400kHz
fIN = 10.05859375kHz
–20
SFDR = –97.44dB
SINAD = 81.71dB
–40
–60
–80
–100
–120
0
50
100
150
FREQUENCY (kHz)
Power Supply Feedthrough
vs Ripple Frequency
0
VRIPPLE = 60mV
fSAMPLE = 400kHz
20 fIN = 200kHz
40
200
1417 G07
60
80
100
120
1k
VSS
VDD
DGND
10k
100k
1M
RIPPLE FREQUENCY (Hz)
10M
1417 G10
Distortion vs Input Frequency
0
– 20
– 40
– 60
– 80
–100
–120
1
THD
3RD
2ND
10
100
INPUT FREQUENCY (kHz)
1000
1417 G05
Nonaveraged, 4096 Point FFT,
Input Frequency = 200kHz
0
fSAMPLE = 400kHz
fIN = 197.949188kHz
–20 SFDR = –98dB
SINAD = 81.1dB
–40
–60
–80
–100
–120
0
50
100
150
FREQUENCY (kHz)
200
1417 G08
Input Common Mode Rejection
vs Input Frequency
70
60
50
40
30
20
10
0
1
10
100
1000
INPUT FREQUENCY (kHz)
1417 G11
Spurious-Free Dynamic Range
vs Input Frequency
0
–20
–40
–60
–80
–100
–120
1k
10k
100k
INPUT FREQUENCY (Hz)
1M
1417 G06
Intermodulation Distortion Plot
0 fSAMPLE = 400kHz
fIN1 = 97.303466kHz
– 20 fIN2 = 104.632568kHz
VIN = 4.096VP-P
– 40
– 60
– 80
– 100
– 120
0 20 40 60 80 100 120 140 160 180 200
FREQUENCY (kHz)
1417 G09
Input Offset Voltage Shift
vs Source Resistance
10
9
8
7
6
5
4
3
2
1
0
1 10 100 1k 10k 100k 1M
INPUT SOURCE RESISTANCE (Ω)
1417 G12
6
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