MAX1115 Datasheet, PDF (5/12 Pages) Maxim Integrated Products – Single-Supply, Low-Power, Serial 8-Bit ADCs

Single-Supply, Low-Power, Serial 8-Bit ADCs
Typical Operating Characteristics (continued)
(V_DD = +3V (MAX1115), V_DD = +5V (MAX1116), fscu = 5MHz, fsample = 100ksps, C_LOAD = 100pF, T_A = +25°C, unless otherwise
noted.)
GAIN ERROR
vs. TEMPERATURE
FFT PLOT
2.0
0
f_SAMPLE = 100kHz
1.5
f_IN = 25.1kHz
-20
A_IN = 0.9xV_REF p-p
1.0
-40
0.5
0
MAX1116
-0.5
V_DD = +5V
MAX1115
V_DD = +3V
-60
-80
-1.0
-100
-1.5
-2.0
-40 -15 10
35
60
85
TEMPERATURE (°C)
-120
0
10k 20k 30k 40k 50k
ANALOG INPUT FREQUENCY (Hz)
OFFSET ERROR vs.
SUPPLY VOLTAGE
0.5
0.4
0.3
0.2
MAX1116
VDD = +3V
0.1
0
-0.1
-0.2
MAX1115
-0.3
VDD = +3V
-0.4
-0.5
2.5 3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY VOLTAGE (V)
21.0%
MAX1115
REFERENCE VOLTAGE
vs. NUMBER OF PIECES
OFFSET ERROR vs.
TEMPERATURE
0.5
0.4
0.3
MAX1116
0.2
VDD = +3V
0.1
0
-0.1
-0.2
MAX1115
-0.3
VDD = +5V
-0.4
-0.5
-40 -15 10
35
60
85
TEMPERATURE (°C)
21.0%
MAX1116
REFERENCE VOLTAGE
vs. NUMBER OF PIECES
17.5%
17.5%
14.0%
14.0%
10.5%
10.5%
7.0%
7.0%
3.5%
3.5%
0
1.982
2.008 2.034 2.060 2.086
REFERENCE VOLTAGE (V)
2.112
0
3.980
4.020 4.060 4.100 4.140
REFERENCE VOLTAGE (V)
4.180
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