MAX11040K Datasheet, PDF (7/35 Pages) Maxim Integrated Products – 24-/16-Bit, 4-Channel, Simultaneous-Sampling, Cascadable, Sigma-Delta ADCs

24-/16-Bit, 4-Channel, Simultaneous-Sampling,
Cascadable, Sigma-Delta ADCs
Typical Operating Characteristics (MAX11040K continued)
(V_AVDD = V_DVDD = 3.3V, f_{XIN CLOCK} = 24.576MHz, f_OUT = 16ksps, V_REFIO = 2.5V (external), C_REFIO = C_REF0 = C_REF1 = C_REF2 =
C_REF3 = 1μF, T_A = +25°C, unless otherwise noted.)
TOTAL HARMONIC DISTORTION
vs. INPUT FREQUENCY
-80
-90
-100
-110
-120
-130
0
500
1000
1500
2000
INPUT FREQUENCY (Hz)
OFFSET ERROR vs. SUPPLY VOLTAGE
0.10
0.08 ^{AVDD = DVDD}
0.06
0.04
0.02
0
-0.02
-0.04
-0.06
-0.08
-0.10
3.0 3.1 3.2 3.3 3.4 3.5 3.6
SUPPLY VOLTAGE (V)
OFFSET ERROR vs. TEMPERATURE
0.10
AVDD = DVDD
0.08
0.06
0.04
0.02
0
-0.02
-0.04
-0.06
-0.08
-0.10
-40 -11
18
47
76
105
TEMPERATURE (°C)
GAIN ERROR vs. SUPPLY VOLTAGE
1.0
AVDD = DVDD
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
3.0 3.1 3.2 3.3 3.4 3.5 3.6
SUPPLY VOLTAGE (V)
GAIN ERROR
vs. TEMPERATURE
1.0
0.8 ^VAVDD ^{= V}DVDD ^{= 3.3V}
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
-40 -15
10
35
60
85
TEMPERATURE (°C)
GAIN ERROR DRIFT
0
-0.02
-0.04
-0.06
-0.08
-0.10
0 100 200 300 400 500 600 700 800 900 1000
TIME (hr)
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