MAX11645 Maxim Integrated Products, MAX11645 Datasheet - Page 7

• Manufacturer Part Number: MAX11645
• Description: 2-Wire Serial 12-Bit ADCs
• Manufacturer: Maxim Integrated Products

(V
T
A
DD
= +25°C, unless otherwise noted.)
= 3.3V (MAX11645), V
1.0010
1.0008
1.0006
1.0004
1.0002
1.0000
0.9998
0.9996
0.9994
0.9992
0.9990
-0.1
-0.2
-0.3
-0.4
-0.5
-0.6
-0.7
-0.8
-0.9
-1.0
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0
-40
-40
-40
2.7V to 3.6V and 4.5V to 5.5V, Low-Power,
NORMALIZED TO VALUE AT T
OFFSET ERROR vs. TEMPERATURE
-25
-25
-25
GAIN ERROR vs. TEMPERATURE
INTERNAL REFERENCE VOLTAGE
_______________________________________________________________________________________
MAX11645
1-/2-Channel, 2-Wire Serial, 12-Bit ADCs
-10
-10
-10
MAX11644
vs. TEMPERATURE
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
5
5
5
DD
20
20
20
= 5V (MAX11644), f
35
35
35
A
= +25°C
50
50
50
65
65
65
80
80
80
Typical Operating Characteristics (continued)
SCL
= 1.7MHz, 50% duty cycle, f
1.00010
1.00008
1.00006
1.00004
1.00002
1.00000
0.99998
0.99996
0.99994
0.99992
0.99990
-0.4
-0.8
-1.2
-1.6
-2.0
-0.4
-0.8
-1.2
-1.6
-2.0
2.0
1.6
1.2
0.8
0.4
2.0
1.6
1.2
0.8
0.4
0
0
2.7
2.7
SAMPLE
2.7
OFFSET ERROR vs. SUPPLY VOLTAGE
NORMALIZED REFERENCE VOLTAGE
GAIN ERROR vs. SUPPLY VOLTAGE
MAX11645
NORMALIZED TO
REFERENCE VALUE AT
V
3.0
DD
3.2
3.2
= 3.3V
3.3 3.6 3.9
= 94.4ksps, single-ended, unipolar,
vs. SUPPLY VOLTAGE
MAX11644
NORMALIZED TO
REFERENCE VALUE AT
V
DD
3.7
3.7
= 5V
V
V
V
DD
DD
DD
4.2
4.2
4.2 4.5 4.8 5.1 5.4
(V)
(V)
(V)
4.7
4.7
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5.2 5.5
5.2 5.5
7