Datasheet

9Maxim Integrated
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
MAX11321 toc01
DIGITAL OUTPUT CODE (DECIMAL)
INL (LSB)
307220481024
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1.0
-1.0
0 4096
f
SAMPLE
= 1Msps
GAIN ERROR
vs. TEMPERATURE
MAX11321 toc04
TEMPERATURE (°C)
GAIN ERROR (LSB)
1109580655035205-10-25
-2
-1
0
1
2
3
-3
-40 125
THD vs. ANALOG INPUT FREQUENCY
MAX11321 toc07
f
IN
(kHz)
THD (dB)
60 804020
-90
-85
-80
-95
0 100
f
SAMPLE
= 1Msps
SFDR vs. ANALOG INPUT FREQUENCY
MAX11321 toc08
f
IN
(kHz)
SFDR (dB)
806020 40
82
84
86
88
92
90
94
96
80
0 100
f
SAMPLE
= 1Msps
DIFFERENTIAL NONLINEARITY
vs. OUTPUT CODE
MAX11321 toc02
DIGITAL OUTPUT CODE (DECIMAL)
DNL (LSB)
-0.5
0
0.5
1.0
-1.0
3072204810240 4096
f
SAMPLE
= 1Msps
HISTOGRAM FOR 30,000
CONVERSIONS
MAX11321 toc05
OUTPUT CODE (DECIMAL)
NUMBER OF OCCURENCES
20502049204820472046
5,000
10,000
15,000
20,000
25,000
30,000
35,000
0
0
f
SAMPLE
= 1Msps
30,000 CODE HITS
OFFSET ERROR
vs. TEMPERATURE
MAX11321 toc03
TEMPERATURE (°C)
OFFSET ERROR (LSB)
1109580655035205-10-25
-2
-1
0
1
2
3
-3
-40 125
f
IN
(kHz)
SNR AND SINAD (dB)
80604020
71.5
72.0
72.5
73.0
73.5
74.0
71.0
0 100
SNR AND SINAD
vs. ANALOG INPUT FREQUENCY
MAX11321 toc06
f
SAMPLE
= 1Msps
SNR
SINAD