MAX11321 Datasheet, PDF (9/37 Pages) Maxim Integrated Products – 1Msps, 10-/12-Bit, 4-/8-/16-Channel ADCs with Post-Mux External Signal Conditioning Access

MAX11321–MAX11328
1Msps, 10-/12-Bit, 4-/8-/16-Channel ADCs with
Post-Mux External Signal Conditioning Access
Typical Operating Characteristics
(MAX11322ATJ+/MAX11325ATJ+/MAX11328ATJ+, T_A = +25°C, unless otherwise noted.)
INTEGRAL NONLINEARITY
vs. DIGITAL OUTPUT CODE
1.0
0.8
fSAMPLE = 1Msps
DIFFERENTIAL NONLINEARITY
vs. OUTPUT CODE
1.0
fSAMPLE = 1Msps
0.6
0.5
0.4
0.2
0
0
-0.2
-0.4
-0.5
-0.6
-0.8
-1.0
0
1024
2048
3072
4096
DIGITAL OUTPUT CODE (DECIMAL)
-1.0
0
1024
2048
3072
4096
DIGITAL OUTPUT CODE (DECIMAL)
GAIN ERROR
vs. TEMPERATURE
3
2
1
0
-1
35,000
30,000
25,000
20,000
15,000
10,000
HISTOGRAM FOR 30,000
CONVERSIONS
fSAMPLE = 1Msps
30,000 CODE HITS
-2
5,000
-3
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
0
0 2046 2047 2048 2049 2050
OUTPUT CODE (DECIMAL)
OFFSET ERROR
vs. TEMPERATURE
3
2
1
0
-1
-2
-3
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
SNR AND SINAD
vs. ANALOG INPUT FREQUENCY
74.0
fSAMPLE = 1Msps
73.5
73.0
72.5
SNR
72.0
71.5
SINAD
71.0
0
20
40
60
80 100
fIN (kHz)
THD vs. ANALOG INPUT FREQUENCY
-80
fSAMPLE = 1Msps
-85
-90
-95
0
20
40
60
80 100
fIN (kHz)
Maxim Integrated
SFDR vs. ANALOG INPUT FREQUENCY
96
fSAMPLE = 1Msps
94
92
90
88
86
84
82
80
0
20
40
60
fIN (kHz)
80 100
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