MAX11612–MAX11617
Low-Power, 4-/8-/12-Channel, I
2
C,
12-Bit ADCs in Ultra-Small Packages
7
Maxim Integrated
200
300
250
350
400
450
500
550
600
650
700
750
800
0 2030406080100
AVERAGE SUPPLY CURRENT vs.
CONVERSION RATE (EXTERNAL CLOCK)
MAX11612 toc07
CONVERSION RATE (ksps)
AVERAGE I
DD
(μA)
010 50 70 90
A
B
A) INTERNAL REFERENCE ALWAYS ON
B) EXTERNAL REFERENCE
MAX11616/MAX11614/MAX11612
AVERAGE SUPPLY CURRENT vs.
CONVERSION RATE (EXTERNAL CLOCK)
MAX11612 toc08
CONVERSION RATE (ksps)
AVERAGE I
DD
(μA)
80604020
300
400
500
600
700
800
200
0 100
MAX11617/MAX11615/MAX11613
A) INTERNAL REFERENCE ALWAYS ON
B) EXTERNAL REFERENCE
A
B
0.9990
0.9994
0.9992
0.9998
0.9996
1.0002
1.0000
1.0004
1.0008
1.0006
1.0010
-40 -10 5-25 20 35 50 65 80
INTERNAL REFERENCE VOLTAGE
vs. TEMPERATURE
MAX11612 toc09
TEMPERATURE (°C)
V
REF
NORMALIZED
NORMALIZED TO VALUE AT T
A
= +25°C
MAX11616/MAX11614/MAX11612
MAX11617/MAX11615/MAX11613
0.99990
0.99994
0.99992
0.99998
0.99996
1.00002
1.00000
1.00004
1.00008
1.00006
1.00010
2.7 3.3 3.6 3.93.0 4.2 4.5 4.8 5.1 5.4
NORMALIZED REFERENCE VOLTAGE
vs. SUPPLY VOLTAGE
MAX11612 toc10
V
DD
(V)
V
REF
(V)
MAX11616/MAX11614/MAX11612
NORMALIZED TO
REFERENCE VALUE AT
V
DD
= 5V
MAX11617/MAX11615/MAX11613
NORMALIZED TO
REFERENCE VALUE AT
V
DD
= 3.3V
OFFSET ERROR vs. TEMPERATURE
MAX11612 toc11
TEMPERATURE (°C)
OFFSET ERROR (LSB)
806535 50-10 5 20-25
-0.9
-0.8
-0.7
-0.6
-0.5
-0.4
-0.3
-0.2
-0.1
0
-1.0
-40
OFFSET ERROR vs. SUPPLY VOLTAGE
MAX11612 toc12
V
DD
(V)
OFFSET ERROR (LSB)
5.2 5.54.74.23.73.2
-1.6
-1.2
-0.8
-0.4
0
0.4
0.8
1.2
1.6
2.0
-2.0
2.7
Typical Operating Characteristics (continued)
(V
DD
= 3.3V (MAX11613/MAX11615/MAX11617), V
DD
= 5V (MAX11612/MAX11614/MAX11616), f
SCL
= 1.7MHz, (50% duty cycle),
f
SAMPLE
= 94.4ksps, single-ended, unipolar, T
A
= +25°C, unless otherwise noted.)
