Rainbow Electronics MAX1403 - Manual (Page 9)

MAX1403
+3V, 18-Bit, Low-Power, Multichannel,
Oversampling (Sigma-Delta) ADC
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0
50
100
150
200
250
0 1.0 0.5 1.5 2.0 2.5 3.0 3.5
OUT1 AND OUT2 COMPLIANCE
MAX1402 toc01
COMPLIANCE VOLTAGE (V)
OUTPUT CURRENT (
µ A)
V+ = +3.3V
-15
0
-5
-10
5
10
15
DIFFERENTIAL NONLINEARITY
MAX1403-02
DIFFERENTIAL INPUT VOLTAGE (V)
DNL (ppm)
-1.0 -0.5 0 0.5 1.0
480sps
GAIN = +1V/V
262, 144 pts
-15
0
-5
-10
5
10
15
-1.0 -0.5 0 0.5 1.0
MAX1403-03
DIFFERENTIAL INPUT VOLTAGE (V)
INL (ppm)
INTEGRAL NONLINEARITY
480sps
GAIN = +1V/V
262, 144 pts
0
100
50
200
150
300
250
350
-50 0 25 -25 50 75 100
V DD SUPPLY CURRENT vs. TEMPERATURE
(20sps OUTPUT DATA RATE UNBUFFERED)
MAX1403 toc04
TEMPERATURE ( ° C)
V
DD
SUPPLY CURRENT (
µ
A)
V DD = +3.6V
(NOTE 30)
0
100
50
200
150
300
250
350
400
-50 0 25 -25 50 75 100
V+ SUPPLY CURRENT vs. TEMPERATURE
(20sps OUTPUT DATA RATE)
MAX1403 toc07
TEMPERATURE ( ° C)
V+ SUPPLY CURRENT (
µ A) BUFFERED
UNBUFFERED
0
100
50
200
150
300
250
350
-50 0 25 -25 50 75 100
V DD SUPPLY CURRENT vs. TEMPERATURE
(60sps OUTPUT DATA RATE UNBUFFERED)
MAX1403 toc05
TEMPERATURE ( ° C)
V
DD
SUPPLY CURRENT (
µ A)
V DD = +3.6V
(NOTE 30)
0
100
50
200
150
300
250
350
-50 0 25 -25 50 75 100
V DD SUPPLY CURRENT vs. TEMPERATURE
(120sps OUTPUT DATA RATE UNBUFFERED)
MAX1403 toc06
TEMPERATURE ( ° C)
V
DD
SUPPLY CURRENT (
µ A)
V DD = +3.6V
(NOTE 30)
0
200
100
400
300
600
500
-50 0 25 -25 50 75 100
V+ SUPPLY CURRENT vs. TEMPERATURE
(60sps OUTPUT DATA RATE)
MAX1403 toc08
TEMPERATURE ( ° C)
V+ SUPPLY CURRENT (
µ A) BUFFERED
UNBUFFERED
0
400
200
800
600
1200
1000
-50 0 25 -25 50 75 100
V+ SUPPLY CURRENT vs. TEMPERATURE
(120sps OUTPUT DATA RATE)
MAX1403 toc09
TEMPERATURE ( ° C)
V+ SUPPLY CURRENT (
µ A) BUFFERED
UNBUFFERED
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.)