Datasheet

Typical Operating Characteristics
(V
DD
= +3V (MAX1117), V
DD
= +5V (MAX1119), V
DD
= V
REF
= +3V (MAX1118), f
SCLK
= 5MHz, f
SAMPLE
= 100ksps, C
LOAD
= 100pF,
T
A
= +25°C, unless otherwise noted.)
MAX1117/18/19 toc01
-1.0
-0.4
-0.6
-0.8
-0.2
0
0.2
0.4
0.6
0.8
1.0
0 10050 150 200 250 300
INTEGRAL NONLINEARITY
vs.OUTPUT CODE
OUTPUT CODE
INL (LSB)
010050 150 200 250 300
DIFFERENTIAL NONLINEARITY
vs.OUTPUT CODE
MAX1117/18/19 toc02
OUTPUT CODE
DNL (LSB)
-1.0
-0.4
-0.6
-0.8
-0.2
0
0.2
0.4
0.6
0.8
1.0
0
0.2
0.1
0.4
0.3
0.6
0.5
0.7
SHUTDOWN SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX1117/18/19 toc03
SUPPLY VOLTAGE (V)
SHUTDOWN CURRENT (μA)
2.5 3.5 4.5 5.5
0.1
0.01 0.1 1 10 100
MAX1118
SUPPLY CURRENT vs. CONVERSION RATE
1.0
MAX1117/18/19 toc04
CONVERSION (ksps)
SUPPLY CURRENT (μA)
100.0
10.0
V
DD
= V
REF
= V
DIGITAL
V
DD
= +5V
V
DD
= +3V
MAX1117/18/19 toc05
0
20
40
60
80
110
120
140
160
2.5 3.5 4.5 5.5
MAX1118
SUPPLY CURRENT vs. SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (μA)
D
OUT
= 00000000
V
DD
= V
REF
= V
DIGITAL INPUTS
0
50
100
150
-40 -15 10 35 60 85
MAX1118 SUPPLY CURRENT
vs. TEMPERATURE
MAX1117/18/19 toc06
TEMPERATURE (°C)
SUPPLY CURRENT (μA)
D
OUT
= 00000000
V
DD
= V
REF
= V
DIGITAL INPUTS
V
DD
= +5V
V
DD
= +3V
MAX1117/MAX1118/MAX1119
Single-Supply, Low-Power,
2-Channel, Serial 8-Bit ADCs
4 _______________________________________________________________________________________
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX
UNITS
Serial Clock Falling Edge to
DOUT
t
cd
C
LOAD
= 100pF
10 100
ns
Serial Clock Rising Edge to
DOUT High-Z
t
chz
C
LOAD
= 100pF, Figure 2
100 500
ns
Last Serial Clock to Next CNVST
(Successive Conversions on
CH0)
t
ccs
50
ns
Note 1: Relative accuracy is the deviation of the analog value at any code from its theoretical value after the full-scale range and off-
set have been calibrated.
Note 2: Input = 0, with logic input levels of 0 and V
DD
.
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= +2.7V to +3.6V (MAX1117), V
DD
= +4.5V to +5.5V (MAX1119), V
DD
= REF = +2.7V to +5.5V (MAX1118),T
A
= T
MIN
to T
MAX
,
unless otherwise noted.)