MAX1415 Datasheet, PDF (14/36 Pages) Maxim Integrated Products – 16-Bit, Low-Power, 2-Channel, Sigma-Delta ADCs

16-Bit, Low-Power, 2-Channel,
Sigma-Delta ADCs
Typical Operating Characteristics
(MAX1415: V_DD = 5V, V_REF+ = 2.5V, V_REF- = GND, T_A = +25°C, unless otherwise noted.) (MAX1416: V_DD = 3V, V_REF+ = 1.225V,
V_REF- = GND, T_A = +25°C, unless otherwise noted.)
32776
32774
32772
TYPICAL OUTPUT NOISE
(MAX1416, BUFFERED MODE)
V_DD = 5V,
V_REF = 2.5V
GAIN = 128
ODR = 60Hz
RMS NOISE = 1.3µV
32770
32768
32766
32764
32762
32760
32758
32756
0
400 800 1200 1600 2000
READING NUMBER
HISTOGRAM OF TYPICAL OUTPUT NOISE
(MAX1416, BUFFERED MODE)
400
V_DD = 5V, V_REF = 2.5V
GAIN = 128
ODR = 60Hz
RMS NOISE = 1.3µV
300
200
100
0
CODE
OFFSET ERROR vs. SUPPLY VOLTAGE
(MAX1415)
0.0015
0.0010
0.0005
0
-0.0005
-0.0010
-0.0015
2.70 2.85 3.00 3.15 3.30 3.45 3.60
SUPPLY VOLTAGE (V)
OFFSET ERROR vs. SUPPLY VOLTAGE
(MAX1416)
0.003
OFFSET ERROR vs. TEMPERATURE
0.003
0.0015
GAIN ERROR vs. SUPPLY VOLTAGE
(MAX1415)
0.002
0.001
0.002
0.001
MAX1416
0.0010
0.0005
0
-0.001
0
-0.001
MAX1415
0
-0.0005
-0.002
-0.002
-0.0010
-0.003
4.75
-0.003
4.85 4.95 5.05 5.15 5.25
-40 -15
10
35
60
85
SUPPLY VOLTAGE (V)
TEMPERATURE (°C)
-0.0015
2.70 2.85 3.00 3.15 3.30 3.45 3.60
SUPPLY VOLTAGE (V)
GAIN ERROR vs. SUPPLY VOLTAGE
(MAX1416)
0.003
0.002
0.001
0
-0.001
-0.002
-0.003
4.75 4.85 4.95 5.05 5.15 5.25
SUPPLY VOLTAGE (V)
GAIN ERROR vs. TEMPERATURE
0.005
0.004
0.003
0.002
MAX1415
0.001
0
-0.001
-0.002
-0.003
MAX1416
-0.004
-0.005
-40 -15
10
35
60
85
TEMPERATURE (°C)
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