LTC1418CG 查看數據表（PDF） - Linear Technology
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LTC1418CG Datasheet PDF : 30 Pages
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LTC1418
TYPICAL PERFORMANCE CHARACTERISTICS
Typical INL Curve
1.0
0.5
0
–0.5
–1.0
0
4096
8192
12288
OUTPUT CODE
16384
1418 G01
Signal-to-Noise Ratio
vs Input Frequency
90
80
70
60
50
40
30
20
10
0
1k
10k
100k
INPUT FREQUENCY (Hz)
1M
1418 G04
Nonaveraged, 4096 Point FFT,
Input Frequency = 10kHz
0
fSAMPLE = 200kHz
–20
fIN = 9.9609375kHz
SFDR = 99.32
SINAD = 82.4
–40
–60
–80
–100
–120
0 10 20 30 40 50 60 70 80 90 100
FREQUENCY (kHz)
1418 G07
6
Differential Nonlinearity
vs Output Code
1.0
0.5
0
– 0.5
– 1.0
0
4096
8192 12288
OUTPUT CODE
16384
1418 G02
Distortion vs Input Frequency
0
S/(N + D) vs Input Frequency
and Amplitude
90
80 VIN = 0dB
70 VIN = –20dB
60
50
40
30 VIN = –60dB
20
10
0
1k
10k
100k
1M
INPUT FREQUENCY (Hz)
1418 G03
Spurious-Free Dynamic Range
vs Input Frequency
0
–20
–20
–40
–40
–60
–80
–100
3RD
THD
2ND
–60
–80
–100
–120
1k
10k
100k
INPUT FREQUENCY (Hz)
1M
1418 G05
–120
10k
100k
INPUT FREQUENCY (Hz)
1M
1418 G06
Nonaveraged, 4096 Point FFT,
Input Frequency = 100kHz
0
fSAMPLE = 200kHz
–20
fIN = 97.509765kHz
SFDR = 94.29
SINAD = 81.4
–40
Intermodulation Distortion Plot
0
fSAMPLE = 200kHz
– 20
fIN1 = 97.65625kHz
fIN2 = 104.248046kHz
– 40
–60
– 60
–80
– 80
–100
– 100
–120
0 10 20 30 40 50 60 70 80 90 100
FREQUENCY (kHz)
1418 G08
– 120
0 10 20 30 40 50 60 70 80 90 100
FREQUENCY (kHz)
1418 G09
1418fa
For more information www.linear.com/LTC1418
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