
MAX1277/MAX1279
1.5Msps, Single-Supply, Low-Power, True-
Differential, 12-Bit ADCs with Internal Reference
_______________________________________________________________________________________
5
Typical Operating Characteristics
(VDD = +3V, VL = VDD, fSCLK = 24MHz, fSAMPLE = 1.5Msps, TA = -40°C to +85°C, unless otherwise noted. Typical values are mea-
sured at TA = +25°C.)
MAXIMUM RECOMMENDED fSCLK vs. VL
MAX1277/79
toc01
VL (V)
f SCLK
(MHz)
3.3
3.0
2.7
2.4
2.1
19
21
23
25
17
1.8
3.6
-1.00
-0.75
-0.50
-0.25
0
0.25
0.50
0.75
1.00
0
1024
2048
3072
4096
INTEGRAL NONLINEARITY
vs. DIGITAL OUTPUT CODE (MAX1277)
MAX1277/79
toc02
DIGITAL OUTPUT CODE
INL
(LSB)
-1.00
-0.75
-0.50
-0.25
0
0.25
0.50
0.75
1.00
-2048
-1024
0
1024
2048
INTEGRAL NONLINEARITY
vs. DIGITAL OUTPUT CODE (MAX1279)
MAX1277/79
toc03
DIGITAL OUTPUT CODE
INL
(LSB)
-1.00
-0.75
-0.50
-0.25
0
0.25
0.50
0.75
1.00
0
1024
2048
3072
4096
DIFFERENTIAL NONLINEARITY
vs. DIGITAL OUTPUT CODE (MAX1277)
MAX1277/79
toc04
DIGITAL OUTPUT CODE
DNL
(LSB)
-1.00
-0.75
-0.50
-0.25
0
0.25
0.50
0.75
1.00
-2048
-1024
0
1024
2048
DIFFERENTIAL NONLINEARITY
vs. DIGITAL OUTPUT CODE (MAX1279)
MAX1277/79
toc05
DIGITAL OUTPUT CODE
DNL
(LSB)
-6
-4
-5
-2
-3
-1
0
-40
10
-15
35
60
85
OFFSET ERROR
vs. TEMPERATURE (MAX1277)
MAX1277/79
toc06
TEMPERATURE (
°C)
OFFSET
ERROR
(LSB)
-6
-4
-5
-2
-3
-1
0
-40
10
-15
35
60
85
OFFSET ERROR
vs. TEMPERATURE (MAX1279)
MAX1277/79
toc07
TEMPERATURE (
°C)
OFFSET
ERROR
(LSB)
-2
0
-1
2
1
3
4
-40
10
-15
35
60
85
GAIN ERROR
vs. TEMPERATURE (MAX1277)
MAX1277/79
toc08
TEMPERATURE (
°C)
GAIN
ERROR
(LSB)
-4
-2
-3
0
-1
1
2
-40
10
-15
35
60
85
GAIN ERROR
vs. TEMPERATURE (MAX1279)
MAX1277/79
toc09
TEMPERATURE (
°C)
GAIN
ERROR
(LSB)