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LTC1992 Datasheet(PDF) 6 Page - Linear Technology

Part # LTC1992
Description  16-Bit, 2Msps, Low Power SAR ADC with 96dB SNR
PDF  24 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC1992 Datasheet(HTML) 6 Page - Linear Technology

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LTC2380-16
6
238016p
TYPICAL PERFORMANCE CHARACTERISTICS
32k Point FFT fS = 2Msps,
fIN = 2kHz
SNR, SINAD vs Input Frequency
THD, Harmonics
vs Input Frequency
SNR, SINAD vs Input level,
fIN = 2kHz
SNR, SINAD vs Reference
Voltage, fIN = 2kHz
THD, Harmonics vs Reference
Voltage, fIN = 2kHz
Integral Nonlinearity
vs Output Code
Differential Nonlinearity
vs Output Code
DC Histogram
OUTPUT CODE
0
16384
32768
49152
65536
–1.0
0.0
–0.4
–0.2
–0.6
–0.8
0.4
0.2
0.6
0.8
1.0
238016 G01
FREQUENCY (kHz)
0 100 200 300 400
1000
900
800
700
600
500
–180
–60
–40
–20
–80
–100
–120
–140
–160
0
238016 G04
SNR = 96.4dB
THD = –119dB
SINAD = 96.3dB
SFDR = 122dB
OUTPUT CODE
–0.5
0.3
0.0
–0.3
–0.4
–0.2
–0.1
0.5
0.2
0.1
0.4
238016 G02
0
16384
32768
49152
65536
CODE
32680
32676
32677
32678
32679
0
120000
100000
80000
60000
40000
20000
140000
238016 G03
σ = 0.15
TA = 25°C, VDD = 2.5V, OVDD = 2.5V, REF = 5V,
fSMPL = 2Msps, unless otherwise noted.
INPUT LEVEL (dB)
97.0
238016 G07
95.0
95.5
96.0
96.5
–40
–30
–20
–10
0
SINAD
SNR
REFERENCE VOLTAGE (V)
96.5
238016 G16
93.0
95.0
95.5
94.0
94.5
93.5
96.0
2.5
3.0
3.5
4.0
4.5
5.0
SINAD
SNR
–100
–110
238016 G17
–140
–135
–130
–125
–120
–115
–105
THD
2ND
3RD
REFERENCE VOLTAGE (V)
2.5
3.0
3.5
4.0
4.5
5.0
FREQUENCY (kHz)
98
238016 G05
80
84
86
88
82
90
92
94
96
0
25
50
75
100 125 150 175 200
SNR
SINAD
FREQUENCY (kHz)
–80
238016 G06
–130
–125
–120
–110
–100
–90
–85
–115
–105
–95
0
25
50
75
100 125 150 175 200
THD
3RD
2ND



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