MAX1157 Datasheet, PDF (5/15 Pages) Maxim Integrated Products – 14-Bit, 135ksps, Single-Supply ADCs with Bipolar Analog Input Range

14-Bit, 135ksps, Single-Supply ADCs with
Bipolar Analog Input Range
Typical Operating Characteristics
(AV_DD = DV_DD = +5V, external reference = +4.096V, C_REF = 10µF, C_REFADJ = 0.1µF, V_REFADJ = AV_DD, C_LOAD = 20pF, T_A = T_MIN to
T_MAX, unless otherwise noted. Typical values are at T_A = +25°C.) (Typical Application Circuit)
2.5
2.0
1.5
1.0
0.5
0
-0.5
-1.0
-1.5
-2.0
-2.5
0
INL vs. CODE
4096
8192
12288 16384
CODE
1.0
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
0
DNL vs. CODE
4096
8192
CODE
12288 16384
SUPPLY CURRENT (AV_DD + DV_DD)
vs. TEMPERATURE
4.80
4.75
5.25V
4.70
5.0V
4.65
4.75V
4.60
4.55
4.50
4.45
4.40
-40 -20
f_SAMPLE = 135ksps
SHUTDOWN MODE BETWEEN
CONVERSIONS
0 20 40 60 80
TEMPERATURE (°C)
SUPPLY CURRENT (AV_DD + DV_DD)
vs. SAMPLE RATE
10
STANDBY
1
MODE
0.1
SHUTDOWN
0.01
MODE
0.001
0.0001
0.01
V_AIN = 0V
0.1
1
10 100 1000
SAMPLE RATE (ksps)
GAIN ERROR vs. TEMPERATURE
0.20
0.15
0.10
0.05
0
-0.05
-0.10
-0.15
-0.20
-40 -20 0
20 40 60 80
TEMPERATURE (°C)
SHUTDOWN CURRENT (AV_DD + DV_DD)
vs. TEMPERATURE
5.0
NO CONVERSIONS
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
-40 -20 0 20 40 60 80
TEMPERATURE (°C)
INTERNAL REFERENCE
vs. TEMPERATURE
4.136
4.126
4.116
4.106
4.096
4.086
4.076
4.066
4.056
-40 -20 0 20 40 60 80
TEMPERATURE (°C)
OFFSET ERROR vs. TEMPERATURE
10
MAX1159
8
6
4
2
0
-2
-4
-6
-8
-10
-40 -20 0 20 40 60 80
TEMPERATURE (°C)
FFT AT 1kHz
0
f_SAMPLE = 135ksps
-20
-40
-60
-80
-100
-120
-140
-160
-180
0
20
40
60
FREQUENCY (kHz)
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