Datasheet

MAX1407/MAX1408/MAX1409/MAX1414
Low-Power, 16-Bit Multichannel DAS with
Internal Reference,10-Bit DACs, and RTC
10 ______________________________________________________________________________________
Typical Operating Characteristics (continued)
(A
VDD
= D
VDD
= 3V, MAX1407 used, T
A
= +25°C, unless otherwise noted.)
0
1.0
0.5
2.0
1.5
2.5
3.0
0.3 0.70.5 0.9 1.1
MAXIMUM INL vs. COMMON-MODE
INPUT VOLTAGE (BIPOLAR MODE,
BUFFERED MODE, V
DD
= 2.7V, 30sps,
FULLY DIFFERENTIAL INPUT, T = +25°C)
MAX1407 toc09
COMMON-MODE INPUT VOLTAGE (V)
MAXIMUM INL (LSB)
A: GAIN = 1
B: GAIN = 2
A
B
-2.0
-1.5
-1.0
-0.5
0
0.5
1.0
1.5
2.0
-1.25 -0.75 -0.25 0.25 0.75 1.25
INL vs. FULLY DIFFERENTIAL
INPUT VOLTAGE (BIPOLAR MODE,
GAIN = 1, UNBUFFERED MODE,
V
CM
= 0.625V, V
DD
= 3V, T = +25°C)
MAX1407 toc10
DIFFERENTIAL INPUT VOLTAGE (V)
INL (LSB)
-2.0
-1.5
-1.0
-0.5
0
0.5
1.0
1.5
2.0
0 0.2 0.4 0.8 1.0
INL vs. PSEUDO-DIFFERENTIAL INPUT
VOLTAGE RANGE (UNIPOLAR MODE,
GAIN = 1, UNBUFFERED MODE,
V
NEG
= 0, V
DD
= 3V, T = +25°C)
MAX1407 toc11
DIFFERENTIAL VOLTAGE (V)
INL (LSB)
1.20.6
0
1.5
1.0
0.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
04020 60 80
UNCORRECTED OFFSET ERROR
vs. TEMPERATURE
(UNBUFFERED MODE, V
DD
= 3V)
MAX1407 toc12
TEMPERATURE (°C)
OFFSET ERROR (LSB)
A
B
A: GAIN = 1, UNIPOLAR MODE
B: GAIN = 2, BIPOLAR MODE