MAX1402 Datasheet, PDF (9/40 Pages) Maxim Integrated Products – +5V, 18-Bit, Low-Power, Multichannel, Oversampling Sigma-Delta ADC

+5V, 18-Bit, Low-Power, Multichannel,
Oversampling (Sigma-Delta) ADC
Typical Operating Characteristics
(V+ = +5V, V_DD = +5V, V_REFIN+ = +2.50V, REFIN- = AGND, f_CLKIN = 2.4576MHz, T_A = +25°C, unless otherwise noted.)
OUT1 AND OUT2 COMPLIANCE
250
200
150
100
50
0
0
1
2
3
4
5
COMPLIANCE VOLTAGE (V)
INTEGRAL NONLINEARITY AT 480sps,
GAIN = 1 (262, 144 pts)
15
10
5
0
-5
-10
-15
-2.5 -2.0 -1.5 -1.0 -0.5 0 0.5 1.0 1.5 2.0 2.5
DIFFERENTIAL INPUT VOLTAGE (V)
DIFFERENTIAL NONLINEARITY AT 480sps,
GAIN = 1 (262, 144 pts)
15
10
5
0
-5
-10
-15
0
0.5 1.0 1.5 2.0 2.5
CODE (x10⁵)
V_DD SUPPLY CURRENT vs. TEMPERATURE
(20sps OUTPUT DATA RATE UNBUFFERED)
350
300
250
200
V_DD = +5.25V
150
100
50
(NOTE 29)
V_DD = +3.6V
0
-50 -25 0
25 50 75 100
TEMPERATURE (°C)
V+ SUPPLY CURRENT vs. TEMPERATURE
(20sps OUTPUT DATA RATE)
400
350
300
BUFFERED
250
200
150
100
UNBUFFERED
50
0
-50 -25 0
25 50 75 100
TEMPERATURE (°C)
V_DD SUPPLY CURRENT vs. TEMPERATURE
(60sps OUTPUT DATA RATE UNBUFFERED)
350
300
250
200
V_DD = +5.25V
150
100
V_DD = +3.6V
50
(NOTE 29)
0
-50 -25 0
25 50 75 100
TEMPERATURE (°C)
V+ SUPPLY CURRENT vs. TEMPERATURE
(60sps OUTPUT DATA RATE)
600
500
BUFFERED
400
300
200
UNBUFFERED
100
0
-50 -25 0 25 50 75 100
TEMPERATURE (°C)
V_DD SUPPLY CURRENT vs. TEMPERATURE
(120sps OUTPUT DATA RATE UNBUFFERED)
350
300
250
V_DD = +5.25V
200
150
V_DD = +3.6V
100
50
(NOTE 29)
0
-50 -25 0 25 50 75 100
TEMPERATURE (°C)
V+ SUPPLY CURRENT vs. TEMPERATURE
(120sps OUTPUT DATA RATE)
1200
1000
BUFFERED
800
600
400
200
UNBUFFERED
0
-50 -25 0 25 50 75 100
TEMPERATURE (°C)
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