MAX1403_02 Datasheet, PDF (9/36 Pages) Maxim Integrated Products – +3V, 18-Bit, Low-Power, Multichannel, Oversampling (Sigma-Delta) ADC

+3V, 18-Bit, Low-Power, Multichannel,
Oversampling (Sigma-Delta) ADC
Typical Operating Characteristics
(V+ = +3V, V_DD = +3V, V_REFIN+ = +1.25V, REFIN- = AGND, f_CLKIN = 2.4576MHz, transducer excitation currents disabled, T_A =
+25°C, unless otherwise noted.)
OUT1 AND OUT2 COMPLIANCE
250
200
150
100
50
V+ = +3.3V
0
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5
COMPLIANCE VOLTAGE (V)
V_DD SUPPLY CURRENT vs. TEMPERATURE
(20sps OUTPUT DATA RATE UNBUFFERED)
350
300
250
200
150
100
50 ^VDD ^{= +3.6V}
(NOTE 30)
0
-50 -25 0 25 50 75 100
TEMPERATURE (°C)
DIFFERENTIAL NONLINEARITY
15
480sps
10
GAIN = +1V/V
262, 144 pts
5
0
-5
-10
-15
-1.0 -0.5
0
0.5 1.0
DIFFERENTIAL INPUT VOLTAGE (V)
V_DD SUPPLY CURRENT vs. TEMPERATURE
(60sps OUTPUT DATA RATE UNBUFFERED)
350
300
250
200
150
100
50 VDD = +3.6V
(NOTE 30)
0
-50 -25 0 25 50 75 100
TEMPERATURE (°C)
INTEGRAL NONLINEARITY
15
480sps
GAIN = +1V/V
10 _{262, 144 pts}
5
0
-5
-10
-15
-1.0 -0.5
0
0.5 1.0
DIFFERENTIAL INPUT VOLTAGE (V)
V_DD SUPPLY CURRENT vs. TEMPERATURE
(120sps OUTPUT DATA RATE UNBUFFERED)
350
300
250
200
150
100
50 ^VDD ^{= +3.6V}
(NOTE 30)
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+ 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+ 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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