MAX11626_1110 Datasheet, PDF (6/22 Pages) Maxim Integrated Products – 12-Bit, 300ksps ADCs with FIFO and Internal Reference

12-Bit, 300ksps ADCs
with FIFO and Internal Reference
Typical Operating Characteristics (continued)
(V_DD = +3V, V_REF = +2.5V, f_SCLK = 4.8MHz, C_LOAD = 30pF, T_A = +25°C, unless otherwise noted.)
1.0
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
0
DIFFERENTIAL NONLINEARITY
vs. OUTPUT CODE
MAX11627/MAX11629/MAX11633
f_SAMPLE = 300ksps
1024
2048
3072
4096
OUTPUT CODE (DECIMAL)
SINAD vs. FREQUENCY
80
MAX11626/MAX11628/MAX11632
75
70
65 MAX11627/MAX11629/MAX11633
60
55
50
1
10
100
1000
FREQUENCY (kHz)
SFDR vs. FREQUENCY
100
MAX11626/MAX11628/ MAX11632
90
80
MAX11627/MAX11629/MAX11633
70
60
50
1
10
100
1000
FREQUENCY (kHz)
THD vs. FREQUENCY
-50
-60
MAX11627/MAX11629/MAX11633
-70
-80
-90
-100
1
MAX11626/MAX11628/MAX11632
10
100
1000
FREQUENCY (kHz)
SUPPLY CURRENT vs. SAMPLING RATE
3000
MAX11626/MAX11628/MAX11632
V_DD = 5V
2500
2000
1500
INTERNAL REFERENCE
1000
EXTERNAL REFERENCE
500
0
1
10
100
1000
SAMPLING RATE (ksps)
SUPPLY CURRENT vs. SAMPLING RATE
1800
MAX11627/MAX11629/MAX11633
1600 V_DD = 3V
1400
1200
INTERNAL REFERENCE
1000
800
600
EXTERNAL REFERENCE
400
200
0
1
10
100
1000
SAMPLING RATE (ksps)
SUPPLY CURRENT vs. SUPPLY VOLTAGE
2600
2400
INTERNAL REFERENCE
2200
2000
1800
EXTERNAL REFERENCE
1600
1400
1200
1000
4.75
MAX11626/MAX11628/MAX11632
f_SAMPLE = 300ksps
4.85 4.95 5.05 5.15 5.25
V_DD (V)
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