LTC1851 Linear Technology, LTC1851 Datasheet - Page 8

• Manufacturer Part Number: LTC1851
• Description: 1.25Msps Sampling ADCs
• Manufacturer: Linear Technology

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LTC1850/LTC1851
TYPICAL PERFOR A CE CHARACTERISTICS
8
–100
–100
–50
–55
–60
–65
–70
–80
–85
–90
–95
–50
–55
–60
–65
–70
–80
–85
–90
–95
–75
–75
10
10
Distortion vs Input Frequency,
Bipolar Mode, PGA = 1
Distortion vs Input Frequency,
Unipolar Mode, PGA = 1
2ND HARMONIC
100
100
FREQUENCY (kHz)
FREQUENCY (kHz)
2ND HARMONIC
80
70
60
50
40
30
20
10
THD
0
THD
3RD HARMONIC
1k
Input Common Mode Rejection
Ratio vs Frequency, Bipolar Mode,
PGA = 1
3RD HARMONIC
1000
1000
10k
W
FREQUENCY (Hz)
185051 G09
185051 G20
U
10000
10000
100k
–100
1M
–50
–55
–60
–65
–80
–85
–90
–70
–75
–95
80
70
60
50
40
30
20
10
LTC1850/51 G14
0
10
1k
Distortion vs Input Frequency,
Bipolar Mode, PGA = 0
Input Common Mode Rejection
Ratio vs Frequency, Bipolar Mode,
PGA = 0
3RD HARMONIC
10M
10k
100
FREQUENCY (kHz)
FREQUENCY (Hz)
THD
100k
2ND HARMONIC
1000
1M
80
70
60
50
40
30
20
10
0
LTC1850/51 G11
1k
Input Common Mode Rejection Ratio
vs Frequency, Unipolar Mode,
PGA = 1
185051 G10
10000
10M
10k
FREQUENCY (Hz)
–100
–50
–55
–60
–65
–70
–80
–85
–90
–95
–75
80
70
60
50
40
30
20
10
100k
0
10
1k
Distortion vs Input Frequency,
Unipolar Mode, PGA = 0
Input Common Mode Rejection
Ratio vs Frequency, Unipolar Mode,
PGA = 0
1M
10k
LTC1850/51 G16
100
FREQUENCY (kHz)
FREQUENCY (Hz)
THD
10M
3RD HARMONIC
100k
2ND HARMONIC
1000
1M
LTC1850/51 G13
185051 G19
18501f
10000
10M