Datasheet

MAX1117/MAX1118/MAX1119
Single-Supply, Low-Power,
2-Channel, Serial 8-Bit ADCs
6 _______________________________________________________________________________________
Typical Operating Characteristics (continued)
(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.)
-0.5
0
-0.1
0.1
-0.2
-0.3
-0.4
0.3
0.2
0.4
0.5
2.5 3.0 4.0 5.04.53.5 5.5
MAX1118
OFFSET ERROR vs. SUPPLY VOLTAGE
MAX1117/18/19 toc17
SUPPLY VOLTAGE (V)
OFFSET ERROR (LSB)
V
REF
= 2.048V
-0.5
0
-0.1
0.1
-0.2
-0.3
-0.4
0.3
0.2
0.4
0.5
-40 35 6010-15 85
MAX1118
OFFSET ERROR vs. TEMPERATURE
MAX1117/18/19 toc18
TEMPERATURE (
°
C)
OFFSET ERROR (LSB)
V
DD
= +3V
V
REF
= 2.048V
-0.5
-0.1
0.1
-0.3
0.3
-0.4
0
0.2
-0.2
0.4
0.5
14532
MAX1118
OFFSET ERROR vs. REFERENCE VOLTAGE
MAX1117/18/19 toc19
REFERENCE VOLTAGE (V)
OFFSET ERROR (LSB)
V
DD
= 5.5V
SUPPLY VOLTAGE (V)
0
0.6
0.8
0.4
0.2
1.2
1.0
1.4
2.5 4.53.5 5.5
MAX1117/MAX1119
GAIN ERROR vs. SUPPLY VOLTAGE
MAX1117/18/19 toc20
GAIN ERROR (%FSR)
MAX1119
V
DD
= +5V
MAX1117
V
DD
= +3V
-2.0
0
0.5
-1.0
-0.5
-1.5
1.5
1.0
2.0
-40 603510-15 85
MAX1117/MAX1119
GAIN ERROR vs. TEMPERATURE
MAX1117/18/19 toc21
TEMPERATURE (
°
C)
GAIN ERROR (%FSR)
MAX1116
V
DD
= +5V
MAX1117
V
DD
= +3V
-120
-80
-100
-60
-40
-20
0
0 20k10k 30k 40k 50k
FFT PLOT
MAX1117/18/19 toc22
ANALOG INPUT FREQUENCY (Hz)
AMPLITUDE (dB)
f
SAMPLE
= 100kHz
f
IN
= 25.1kHz
A
IN
= 0.9 x V
REFp-p
-0.5
0
-0.1
0.1
-0.2
-0.3
-0.4
0.3
0.2
0.4
0.5
2.5 3.0 4.0 5.04.53.5 5.5
MAX1117/MAX1119
OFFSET ERROR vs. SUPPLY VOLTAGE
MAX1117/18/19 toc23
SUPPLY VOLTAGE (V)
OFFSET ERROR (LSB)
MAX1117
V
DD
= +3V
MAX1119
V
DD
= +5V
-0.5
0
-0.1
0.1
-0.2
-0.3
-0.4
0.3
0.2
0.4
0.5
-40 -15 603510 85
MAX1117/MAX1119
OFFSET ERROR vs. TEMPERATURE
MAX1117/18/19 toc24
TEMPERATURE (°C)
OFFSET ERROR (LSB)
MAX1117
V
DD
= +3V
MAX1119
V
DD
= +5V