Rainbow Electronics MAX1402 - Manual (Page 9)

MAX1402
+5V, 18-Bit, Low-Power, Multichannel,
Oversampling (Sigma-Delta) ADC
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0
50
100
150
200
250
0 2 1 3 4 5
OUT1 AND OUT2 COMPLIANCE
MAX1402 toc01
COMPLIANCE VOLTAGE (V)
OUTPUT CURRENT (
µ A)
-15
0
-5
-10
5
10
15
-2.5 -0.5 -1.0 -2.0 -1.5 0 0.5 1.0 1.5 2.0 2.5
INTEGRAL NONLINEARITY AT 480sps,
GAIN = 1 (262, 144 pts)
MAX1402 toc12
DIFFERENTIAL INPUT VOLTAGE (V)
INL (ppm)
-15
0
-5
-10
5
10
15
0 0.5 1.0 1.5 2.0 2.5
MAX1402 toc13
CODE (x10 5 )
DNL (ppm)
DIFFERENTIAL NONLINEARITY AT 480sps,
GAIN = 1 (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)
MAX1402 toc02
TEMPERATURE ( ° C)
V
DD
SUPPLY CURRENT (
µ
A)
V DD = +5.25V
V DD = +3.6V
(NOTE 29)
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)
MAX1402 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)
MAX1402 toc03
TEMPERATURE ( ° C)
V
DD
SUPPLY CURRENT (
µ A)
V
DD
= +5.25V
V DD = +3.6V
(NOTE 29)
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)
MAX1402 toc04
TEMPERATURE ( ° C)
V
DD
SUPPLY CURRENT (
µ
A)
V DD = +5.25V
V DD = +3.6V
(NOTE 29)
0
200
100
400
300
600
500
-50 0 25 -25 50 75 100
V+ SUPPLY CURRENT vs. TEMPERATURE
(60sps OUTPUT DATA RATE)
MAX1402 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)
MAX1402 toc09
TEMPERATURE ( ° C)
V+ SUPPLY CURRENT (
µ A) BUFFERED
UNBUFFERED
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.)