LTC2391-16_15 Datasheet, PDF (7/24 Pages) Linear Technology – 16-Bit, 250ksps SAR ADC with 94dB SNR

LTC2391-16
TYPICAL PERFORMANCE CHARACTERISTICS T_A = 25°C, f_SMPL = 250ksps, unless otherwise noted.
SNR, SINAD vs Input Frequency
96
SNR
94
SINAD
92
90
88
86
84
82
80
0
25
50
75
100
INPUT FREQUENCY (kHz)
239116 G10
THD, Harmonics
vs Input Frequency
–70
–75
–80
–85
–90
–95
–100
–105
THD
3RD
–110
2ND
–115
–120
0
25
50
75
INPUT FREQUENCY (kHz)
100
239116 G11
SNR, SINAD at f_IN = 20kHz
vs Temperature
96
95
SNR
94
SINAD
93
92
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
239116 G12
THD, Harmonics at f_IN = 20kHz
vs Temperature
–95
SNR, SINAD vs Input Level
95.0
Supply Current vs Sampling
Frequency
30
SNR
25
–100
THD
94.5
SINAD
20
–105
3RD
94.0
15
2ND
–110
10
93.5
–115
5
–120
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
239116 G13
93.0
–40
–30
–20
–10
0
INPUT LEVEL (dB)
239116 G14
0
0.1
1
10
100
1000
SAMPLING FREQUENCY (kHz)
239116 G15
Supply Current vs Temperature
18
16
AVP
14
12
10
8
6
DVP
4
2
0VP
0
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
239116 G16
Power-Down Current
vs Temperature
90
80
70
60
50
40
30
DVP
20
AVP
10
0VP
0
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
239116 G17
239116fa
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